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<!-- DFS Xcelerate Taxonomy Labels Linkbase - http://www.dfsco.com/financial-services/ -->
<!-- Version: 6.23.6 -->
<!-- Round: 9 -->
<!-- Creation date: 2019-03-13T19:55:17Z -->
<!-- Copyright (c) 2017 Donnelley Financial, LLC. All Rights Reserved. -->
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ActuarialAssumptionOfExpectedRatesOfInflationMember_lbl" xml:lang="en-US" id="id_14165682_3416538_2_1">Rates of Inflation [Member]</label>
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    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ActuarialGainsLossesNetDefinedBenefitLiabilityAsset" xlink:label="tri_ActuarialGainsLossesNetDefinedBenefitLiabilityAsset"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables_lbl" xml:lang="en-US" id="id_14165682_3416776_2_1">Trade and other receivables</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AdjustmentsForDeferredTaxExpense" xlink:label="ifrs-full_AdjustmentsForDeferredTaxExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForDeferredTaxExpense_lbl" xml:lang="en-US" id="id_14165682_3417228_1_1">Adjustments for deferred tax expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForDeferredTaxExpense_lbl" xml:lang="en-US" id="id_14165682_3417228_2_1">Deferred tax</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForDeferredTaxExpense" xlink:to="ifrs-full_AdjustmentsForDeferredTaxExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AdjustmentsForDepreciationExpense" xlink:label="ifrs-full_AdjustmentsForDepreciationExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForDepreciationExpense_lbl" xml:lang="en-US" id="id_14165682_3416560_1_1">Adjustments for depreciation expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForDepreciationExpense_lbl" xml:lang="en-US" id="id_14165682_3416560_2_1">Depreciation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForDepreciationExpense" xlink:to="ifrs-full_AdjustmentsForDepreciationExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:label="ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates_lbl" xml:lang="en-US" id="id_14165682_3416561_1_1">Adjustments for gain (loss) on disposal of investments in subsidiaries, joint ventures and associates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates_lbl" xml:lang="en-US" id="id_14165682_3416561_14_1">Net gains on disposals of businesses and investments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:to="ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AdjustmentsForIncomeTaxExpense" xlink:label="ifrs-full_AdjustmentsForIncomeTaxExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForIncomeTaxExpense_lbl" xml:lang="en-US" id="id_14165682_3416781_1_1">Adjustments for income tax expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForIncomeTaxExpense_lbl" xml:lang="en-US" id="id_14165682_3416781_2_1">Income taxes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForIncomeTaxExpense" xlink:to="ifrs-full_AdjustmentsForIncomeTaxExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInDeferredIncome" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInDeferredIncome"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInDeferredIncome_lbl" xml:lang="en-US" id="id_14165682_3416567_1_1">Adjustments for increase (decrease) in deferred income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInDeferredIncome_lbl" xml:lang="en-US" id="id_14165682_3416567_2_1">Deferred revenue</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForIncreaseDecreaseInDeferredIncome" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInDeferredIncome_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities_lbl" xml:lang="en-US" id="id_14165682_3417009_1_1">Adjustments for increase (decrease) in employee benefit liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities_lbl" xml:lang="en-US" id="id_14165682_3417009_2_1">Non-cash employee benefit charges</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities_lbl" xml:lang="en-US" id="id_14165682_3416569_1_1">Adjustments for increase (decrease) in other liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities_lbl" xml:lang="en-US" id="id_14165682_3416569_2_1">Other financial liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables_lbl" xml:lang="en-US" id="id_14165682_3416571_1_1">Adjustments for increase (decrease) in trade and other payables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables_lbl" xml:lang="en-US" id="id_14165682_3416571_2_1">Payables, accruals and provisions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_AdjustmentsForOtherMiscellaneous" xlink:label="tri_AdjustmentsForOtherMiscellaneous"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_AdjustmentsForOtherMiscellaneous_lbl" xml:lang="en-US" id="id_14165682_3445806_3_1">Adjustments for other miscellaneous to reconcile profit (loss) to net cash flow from (used in) operating activities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_AdjustmentsForOtherMiscellaneous_lbl" xml:lang="en-US" id="id_14165682_3445806_1_1">Adjustments for other miscellaneous</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_AdjustmentsForOtherMiscellaneous_lbl" xml:lang="en-US" id="id_14165682_3445806_2_1">Other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_AdjustmentsForOtherMiscellaneous" xlink:to="tri_AdjustmentsForOtherMiscellaneous_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:label="ifrs-full_AdjustmentsForReconcileProfitLossAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForReconcileProfitLossAbstract_lbl" xml:lang="en-US" id="id_14165682_3417013_1_1">Adjustments to reconcile profit (loss) [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForReconcileProfitLossAbstract_lbl" xml:lang="en-US" id="id_14165682_3417013_2_1">Adjustments for:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:to="ifrs-full_AdjustmentsForReconcileProfitLossAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates" xlink:label="ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates_lbl" xml:lang="en-US" id="id_14165682_3416574_1_1">Adjustments for undistributed profits of associates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates_lbl" xml:lang="en-US" id="id_14165682_3416574_14_1">Share of post-tax losses in equity method investments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates" xlink:to="ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:label="ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains_lbl" xml:lang="en-US" id="id_14165682_3416786_1_1">Adjustments for unrealised foreign exchange losses (gains)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains_lbl" xml:lang="en-US" id="id_14165682_3416786_2_1">Net (gains) losses on foreign exchange and derivative financial instruments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:to="ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_AdjustmentsRelatedToEmployeeBenefitPlans" xlink:label="tri_AdjustmentsRelatedToEmployeeBenefitPlans"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_AdjustmentsRelatedToEmployeeBenefitPlans_lbl" xml:lang="en-US" id="id_14165682_3453282_3_1">Adjustments related to employee benefit plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_AdjustmentsRelatedToEmployeeBenefitPlans_lbl" xml:lang="en-US" id="id_14165682_3453282_1_1">Adjustments related to employee benefit plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_AdjustmentsRelatedToEmployeeBenefitPlans_lbl" xml:lang="en-US" id="id_14165682_3453282_2_1">Amount related to employee benefit plans</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_AdjustmentsRelatedToEmployeeBenefitPlans" xlink:to="tri_AdjustmentsRelatedToEmployeeBenefitPlans_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_AdministrationFeesDefinedBenefitLiabilityAsset" xlink:label="tri_AdministrationFeesDefinedBenefitLiabilityAsset"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_AdministrationFeesDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3531699_3_1">Administration fees defined benefit liability asset.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_AdministrationFeesDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3531699_1_1">Administration fees defined benefit liability asset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="tri_AdministrationFeesDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3531699_14_1">Administration fees</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_AdministrationFeesDefinedBenefitLiabilityAsset" xlink:to="tri_AdministrationFeesDefinedBenefitLiabilityAsset_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_AdministrationFeesDisbursementsDefinedBenefitLiabilityAsset" xlink:label="tri_AdministrationFeesDisbursementsDefinedBenefitLiabilityAsset"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_AdministrationFeesDisbursementsDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3433478_3_1">Administration fees disbursements defined benefit liability asset.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_AdministrationFeesDisbursementsDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3433478_1_1">Administration fees disbursements defined benefit liability asset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_AdministrationFeesDisbursementsDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3433478_2_1">Administration fees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="tri_AdministrationFeesDisbursementsDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3433478_12_1">Administration fees disbursements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="tri_AdministrationFeesDisbursementsDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3433478_14_1">Administration fees disbursements</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_AdministrationFeesDisbursementsDefinedBenefitLiabilityAsset" xlink:to="tri_AdministrationFeesDisbursementsDefinedBenefitLiabilityAsset_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_AfterIfrs15AdoptionMember" xlink:label="tri_AfterIfrs15AdoptionMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_AfterIfrs15AdoptionMember_lbl" xml:lang="en-US" id="id_14165682_3495350_3_1">After IFRS 15 adoption.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_AfterIfrs15AdoptionMember_lbl" xml:lang="en-US" id="id_14165682_3495350_1_1">After IFRS 15 adoption [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_AfterIfrs15AdoptionMember_lbl" xml:lang="en-US" id="id_14165682_3495350_2_1">After IFRS 15 adoption [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_AfterIfrs15AdoptionMember" xlink:to="tri_AfterIfrs15AdoptionMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_AfterIFRS2AmendmentsMember" xlink:label="tri_AfterIFRS2AmendmentsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_AfterIFRS2AmendmentsMember_lbl" xml:lang="en-US" id="id_14165682_3494896_3_1">After IFRS 2 amendments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_AfterIFRS2AmendmentsMember_lbl" xml:lang="en-US" id="id_14165682_3494896_1_1">After IFRS 2 amendments [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_AfterIFRS2AmendmentsMember_lbl" xml:lang="en-US" id="id_14165682_3494896_2_1">After IFRS 2 amendments [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_AfterIFRS2AmendmentsMember" xlink:to="tri_AfterIFRS2AmendmentsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AggregatedMeasurementMember" xlink:label="ifrs-full_AggregatedMeasurementMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AggregatedMeasurementMember_lbl" xml:lang="en-US" id="id_14165682_3417023_1_1">Aggregated measurement [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AggregatedMeasurementMember_lbl" xml:lang="en-US" id="id_14165682_3417023_2_1">Aggregated measurement [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AggregatedMeasurementMember" xlink:to="ifrs-full_AggregatedMeasurementMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AggregatedTimeBandsMember" xlink:label="ifrs-full_AggregatedTimeBandsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AggregatedTimeBandsMember_lbl" xml:lang="en-US" id="id_14165682_3417242_1_1">Aggregated time bands [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AggregatedTimeBandsMember_lbl" xml:lang="en-US" id="id_14165682_3417242_2_1">Aggregated time bands [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AggregatedTimeBandsMember" xlink:to="ifrs-full_AggregatedTimeBandsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_AgingOfTradeReceivablesAbstract" xlink:label="tri_AgingOfTradeReceivablesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_AgingOfTradeReceivablesAbstract_lbl" xml:lang="en-US" id="id_14165682_3431606_3_1">Aging of trade receivables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_AgingOfTradeReceivablesAbstract_lbl" xml:lang="en-US" id="id_14165682_3431606_1_1">Aging Of Trade Receivables [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_AgingOfTradeReceivablesAbstract_lbl" xml:lang="en-US" id="id_14165682_3431606_2_1">Aging of Trade Receivables [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_AgingOfTradeReceivablesAbstract" xlink:to="tri_AgingOfTradeReceivablesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_AgingOfTradeReceivablesLineItems" xlink:label="tri_AgingOfTradeReceivablesLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_AgingOfTradeReceivablesLineItems_lbl" xml:lang="en-US" id="id_14165682_3428284_3_1">Aging of trade receivables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_AgingOfTradeReceivablesLineItems_lbl" xml:lang="en-US" id="id_14165682_3428284_1_1">Aging Of Trade Receivables [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_AgingOfTradeReceivablesLineItems_lbl" xml:lang="en-US" id="id_14165682_3428284_2_1">Aging of Trade Receivables [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_AgingOfTradeReceivablesLineItems" xlink:to="tri_AgingOfTradeReceivablesLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_AgingOfTradeReceivablesTable" xlink:label="tri_AgingOfTradeReceivablesTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_AgingOfTradeReceivablesTable_lbl" xml:lang="en-US" id="id_14165682_3473252_3_1">Aging of trade receivables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_AgingOfTradeReceivablesTable_lbl" xml:lang="en-US" id="id_14165682_3473252_1_1">Aging Of Trade Receivables [table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_AgingOfTradeReceivablesTable_lbl" xml:lang="en-US" id="id_14165682_3473252_2_1">Aging Of Trade Receivables [table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_AgingOfTradeReceivablesTable" xlink:to="tri_AgingOfTradeReceivablesTable_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_AgreementMaturityPeriod" xlink:label="tri_AgreementMaturityPeriod"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_AgreementMaturityPeriod_lbl" xml:lang="en-US" id="id_14165682_3472544_3_1">Agreement maturity period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_AgreementMaturityPeriod_lbl" xml:lang="en-US" id="id_14165682_3472544_1_1">Agreement maturity period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_AgreementMaturityPeriod_lbl" xml:lang="en-US" id="id_14165682_3472544_2_1">Agreement maturity period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_AgreementMaturityPeriod" xlink:to="tri_AgreementMaturityPeriod_lbl"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2017/currency-2017-01-31.xsd#currency_AllCurrenciesDomain" xlink:label="currency_AllCurrenciesDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="currency_AllCurrenciesDomain_lbl" xml:lang="en-US" id="id_14165682_3417028_1_1">All Currencies [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="currency_AllCurrenciesDomain_lbl" xml:lang="en-US" id="id_14165682_3417028_2_1">All Currencies [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="currency_AllCurrenciesDomain" xlink:to="currency_AllCurrenciesDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AllLevelsOfFairValueHierarchyMember" xlink:label="ifrs-full_AllLevelsOfFairValueHierarchyMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AllLevelsOfFairValueHierarchyMember_lbl" xml:lang="en-US" id="id_14165682_3417030_1_1">All levels of fair value hierarchy [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AllLevelsOfFairValueHierarchyMember_lbl" xml:lang="en-US" id="id_14165682_3417030_2_1">All levels of fair value hierarchy [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AllLevelsOfFairValueHierarchyMember" xlink:to="ifrs-full_AllLevelsOfFairValueHierarchyMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_AllOtherCountriesMember" xlink:label="tri_AllOtherCountriesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_AllOtherCountriesMember_lbl" xml:lang="en-US" id="id_14165682_3508919_3_1">All other countries.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_AllOtherCountriesMember_lbl" xml:lang="en-US" id="id_14165682_3508919_1_1">All other countries [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_AllOtherCountriesMember_lbl" xml:lang="en-US" id="id_14165682_3508919_2_1">All Other Countries [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_AllOtherCountriesMember" xlink:to="tri_AllOtherCountriesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" xlink:label="ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3416589_1_1">Allowance account for credit losses of financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3416589_4_1">Balance at end of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3416589_5_1">Balance at beginning of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3416589_14_1">Less: allowance for doubtful accounts</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets" xlink:to="ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_AllowanceAccountForCreditLossesOfFinancialAssetsExceptForDoubtfulAccounts" xlink:label="tri_AllowanceAccountForCreditLossesOfFinancialAssetsExceptForDoubtfulAccounts"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_AllowanceAccountForCreditLossesOfFinancialAssetsExceptForDoubtfulAccounts_lbl" xml:lang="en-US" id="id_14165682_3445001_3_1">Allowance account for credit losses of financial assets, except for doubtful accounts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_AllowanceAccountForCreditLossesOfFinancialAssetsExceptForDoubtfulAccounts_lbl" xml:lang="en-US" id="id_14165682_3445001_1_1">Allowance account for credit losses of financial assets, except for doubtful accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_AllowanceAccountForCreditLossesOfFinancialAssetsExceptForDoubtfulAccounts_lbl" xml:lang="en-US" id="id_14165682_3445001_2_1">Allowance account for credit losses of financial assets, except for doubtful accounts</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_AllowanceAccountForCreditLossesOfFinancialAssetsExceptForDoubtfulAccounts" xlink:to="tri_AllowanceAccountForCreditLossesOfFinancialAssetsExceptForDoubtfulAccounts_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_AllowanceAndSalesAdjustments" xlink:label="tri_AllowanceAndSalesAdjustments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_AllowanceAndSalesAdjustments_lbl" xml:lang="en-US" id="id_14165682_3553610_3_1">Allowance and sales adjustments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_AllowanceAndSalesAdjustments_lbl" xml:lang="en-US" id="id_14165682_3553610_1_1">Allowance and Sales adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_AllowanceAndSalesAdjustments_lbl" xml:lang="en-US" id="id_14165682_3553610_2_1">Combined allowances</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_AllowanceAndSalesAdjustments" xlink:to="tri_AllowanceAndSalesAdjustments_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_AllowanceForSalesAdjustments" xlink:label="tri_AllowanceForSalesAdjustments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_AllowanceForSalesAdjustments_lbl" xml:lang="en-US" id="id_14165682_3453236_3_1">Allowance for sales adjustments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_AllowanceForSalesAdjustments_lbl" xml:lang="en-US" id="id_14165682_3453236_1_1">Allowance for Sales adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="tri_AllowanceForSalesAdjustments_lbl" xml:lang="en-US" id="id_14165682_3453236_14_1">Less: allowance for sales adjustments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_AllowanceForSalesAdjustments" xlink:to="tri_AllowanceForSalesAdjustments_lbl"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_AmendmentFlag_lbl" xml:lang="en-US" id="id_14165682_3416806_1_1">Amendment Flag</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_AmendmentFlag_lbl" xml:lang="en-US" id="id_14165682_3416806_2_1">Amendment Flag</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentFlag" xlink:to="dei_AmendmentFlag_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_AmericasMember" xlink:label="srt_AmericasMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_AmericasMember_lbl" xml:lang="en-US" id="id_14165682_3417037_1_1">Americas [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="srt_AmericasMember_lbl" xml:lang="en-US" id="id_14165682_3417037_2_1">Americas [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_AmericasMember" xlink:to="srt_AmericasMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AmortisationAssetsRecognisedFromCostsIncurredToObtainOrFulfilContractsWithCustomers" xlink:label="ifrs-full_AmortisationAssetsRecognisedFromCostsIncurredToObtainOrFulfilContractsWithCustomers"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AmortisationAssetsRecognisedFromCostsIncurredToObtainOrFulfilContractsWithCustomers_lbl" xml:lang="en-US" id="id_14165682_3416807_1_1">Amortisation, assets recognised from costs incurred to obtain or fulfil contracts with customers</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AmortisationAssetsRecognisedFromCostsIncurredToObtainOrFulfilContractsWithCustomers_lbl" xml:lang="en-US" id="id_14165682_3416807_2_1">Amortization of deferred commissions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AmortisationAssetsRecognisedFromCostsIncurredToObtainOrFulfilContractsWithCustomers" xlink:to="ifrs-full_AmortisationAssetsRecognisedFromCostsIncurredToObtainOrFulfilContractsWithCustomers_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" id="id_14165682_3417258_1_1">Amortisation, intangible assets other than goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" id="id_14165682_3417258_14_1">Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" id="id_14165682_3417258_18_1">Current year amortization</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:to="ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AmountsPayableRelatedPartyTransactions" xlink:label="ifrs-full_AmountsPayableRelatedPartyTransactions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AmountsPayableRelatedPartyTransactions_lbl" xml:lang="en-US" id="id_14165682_3417044_1_1">Amounts payable, related party transactions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AmountsPayableRelatedPartyTransactions_lbl" xml:lang="en-US" id="id_14165682_3417044_2_1">Lease payment amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AmountsPayableRelatedPartyTransactions" xlink:to="ifrs-full_AmountsPayableRelatedPartyTransactions_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AmountsReceivableRelatedPartyTransactions" xlink:label="ifrs-full_AmountsReceivableRelatedPartyTransactions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AmountsReceivableRelatedPartyTransactions_lbl" xml:lang="en-US" id="id_14165682_3416820_1_1">Amounts receivable, related party transactions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AmountsReceivableRelatedPartyTransactions_lbl" xml:lang="en-US" id="id_14165682_3416820_2_1">Lease receivable amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AmountsReceivableRelatedPartyTransactions" xlink:to="ifrs-full_AmountsReceivableRelatedPartyTransactions_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:label="ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract_lbl" xml:lang="en-US" id="id_14165682_3416603_1_1">Amounts recognised as of acquisition date for each major class of assets acquired and liabilities assumed [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract_lbl" xml:lang="en-US" id="id_14165682_3416603_2_1">Amounts recognised as of acquisition date for each major class of assets acquired and liabilities assumed [abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:to="ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_AnnualizedDividendMember" xlink:label="tri_AnnualizedDividendMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_AnnualizedDividendMember_lbl" xml:lang="en-US" id="id_14165682_3477435_3_1">Annualized dividend [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_AnnualizedDividendMember_lbl" xml:lang="en-US" id="id_14165682_3477435_1_1">Annualized dividend [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_AnnualizedDividendMember_lbl" xml:lang="en-US" id="id_14165682_3477435_2_1">Annualized dividend [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_AnnualizedDividendMember" xlink:to="tri_AnnualizedDividendMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ApplicableTaxRate" xlink:label="ifrs-full_ApplicableTaxRate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ApplicableTaxRate_lbl" xml:lang="en-US" id="id_14165682_3417268_1_1">Applicable tax rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="ifrs-full_ApplicableTaxRate_lbl" xml:lang="en-US" id="id_14165682_3417268_32_1">Tax Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ApplicableTaxRate_lbl" xml:lang="en-US" id="id_14165682_3417268_2_1">Applicable tax rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ApplicableTaxRate_lbl" xml:lang="en-US" id="id_14165682_3417268_12_1">Income taxes rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ApplicableTaxRate" xlink:to="ifrs-full_ApplicableTaxRate_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_AreaOfOfficeSpace" xlink:label="tri_AreaOfOfficeSpace"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_AreaOfOfficeSpace_lbl" xml:lang="en-US" id="id_14165682_3537300_3_1">Area Of Office Space</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_AreaOfOfficeSpace_lbl" xml:lang="en-US" id="id_14165682_3537300_1_1">Area Of Office Space</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_AreaOfOfficeSpace_lbl" xml:lang="en-US" id="id_14165682_3537300_2_1">Area of office space</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_AreaOfOfficeSpace" xlink:to="tri_AreaOfOfficeSpace_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_AsiaPacificMember" xlink:label="srt_AsiaPacificMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_AsiaPacificMember_lbl" xml:lang="en-US" id="id_14165682_3416832_1_1">Asia Pacific [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="srt_AsiaPacificMember_lbl" xml:lang="en-US" id="id_14165682_3416832_2_1">Asia Pacific [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_AsiaPacificMember" xlink:to="srt_AsiaPacificMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_AssetCeilingBalance" xlink:label="tri_AssetCeilingBalance"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_AssetCeilingBalance_lbl" xml:lang="en-US" id="id_14165682_3460745_3_1">Asset ceiling balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_AssetCeilingBalance_lbl" xml:lang="en-US" id="id_14165682_3460745_1_1">Asset ceiling balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="tri_AssetCeilingBalance_lbl" xml:lang="en-US" id="id_14165682_3460745_4_1">Balance of asset ceiling at December 31</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="tri_AssetCeilingBalance_lbl" xml:lang="en-US" id="id_14165682_3460745_5_1">Balance of asset ceiling at January 1</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_AssetCeilingBalance" xlink:to="tri_AssetCeilingBalance_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Assets_lbl" xml:lang="en-US" id="id_14165682_3417056_1_1">Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_Assets_lbl" xml:lang="en-US" id="id_14165682_3417056_2_1">Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_Assets_lbl" xml:lang="en-US" id="id_14165682_3417056_6_1">Total assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="ifrs-full_Assets_lbl" xml:lang="en-US" id="id_14165682_3417056_19_1">Total assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_Assets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AssetsAbstract" xlink:label="ifrs-full_AssetsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AssetsAbstract_lbl" xml:lang="en-US" id="id_14165682_3417273_1_1">Assets [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AssetsAbstract_lbl" xml:lang="en-US" id="id_14165682_3417273_2_1">Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AssetsAbstract" xlink:to="ifrs-full_AssetsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis" xlink:label="ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis_lbl" xml:lang="en-US" id="id_14165682_3416834_1_1">Assets and liabilities classified as held for sale [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis_lbl" xml:lang="en-US" id="id_14165682_3416834_2_1">Assets and liabilities classified as held for sale [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis" xlink:to="ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember" xlink:label="ifrs-full_AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember_lbl" xml:lang="en-US" id="id_14165682_3416622_1_1">Assets and liabilities not classified as held for sale [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember_lbl" xml:lang="en-US" id="id_14165682_3416622_2_1">Assets and liabilities not classified as held for sale [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember" xlink:to="ifrs-full_AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AssetsArisingFromInsuranceContracts" xlink:label="ifrs-full_AssetsArisingFromInsuranceContracts"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AssetsArisingFromInsuranceContracts_lbl" xml:lang="en-US" id="id_14165682_3416836_1_1">Assets arising from insurance contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AssetsArisingFromInsuranceContracts_lbl" xml:lang="en-US" id="id_14165682_3416836_2_1">Cash surrender value of life insurance policies</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AssetsArisingFromInsuranceContracts" xlink:to="ifrs-full_AssetsArisingFromInsuranceContracts_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_AssetsLiabilitiesAtAmortizedCostMember" xlink:label="tri_AssetsLiabilitiesAtAmortizedCostMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_AssetsLiabilitiesAtAmortizedCostMember_lbl" xml:lang="en-US" id="id_14165682_3495774_3_1">Assets liabilities at amortized cost.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_AssetsLiabilitiesAtAmortizedCostMember_lbl" xml:lang="en-US" id="id_14165682_3495774_1_1">Assets Liabilities At Amortized Cost [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_AssetsLiabilitiesAtAmortizedCostMember_lbl" xml:lang="en-US" id="id_14165682_3495774_2_1">Assets liabilities at amortized cost [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_AssetsLiabilitiesAtAmortizedCostMember" xlink:to="tri_AssetsLiabilitiesAtAmortizedCostMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_AssetsLiabilitiesAtFairValueThroughEarningsMember" xlink:label="tri_AssetsLiabilitiesAtFairValueThroughEarningsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_AssetsLiabilitiesAtFairValueThroughEarningsMember_lbl" xml:lang="en-US" id="id_14165682_3480405_3_1">Assets (liabilities) at fair value through earnings.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_AssetsLiabilitiesAtFairValueThroughEarningsMember_lbl" xml:lang="en-US" id="id_14165682_3480405_1_1">Assets Liabilities At Fair Value Through Earnings [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_AssetsLiabilitiesAtFairValueThroughEarningsMember_lbl" xml:lang="en-US" id="id_14165682_3480405_2_1">Assets/ (liabilities) at fair value through earnings [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_AssetsLiabilitiesAtFairValueThroughEarningsMember" xlink:to="tri_AssetsLiabilitiesAtFairValueThroughEarningsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_AssetsRecognisedAsOfAcquisitionDate" xlink:label="tri_AssetsRecognisedAsOfAcquisitionDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_AssetsRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3530680_3_1">Assets recognised as of acquisition date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_AssetsRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3530680_1_1">Assets recognised as of acquisition date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="tri_AssetsRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3530680_6_1">Total assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_AssetsRecognisedAsOfAcquisitionDate" xlink:to="tri_AssetsRecognisedAsOfAcquisitionDate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers" xlink:label="ifrs-full_AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers_lbl" xml:lang="en-US" id="id_14165682_3417059_1_1">Assets recognised from costs to obtain or fulfil contracts with customers</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers_lbl" xml:lang="en-US" id="id_14165682_3417059_2_1">Deferred commissions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers" xlink:to="ifrs-full_AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_AssumptionOfPerpetualGrowthRates" xlink:label="tri_AssumptionOfPerpetualGrowthRates"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_AssumptionOfPerpetualGrowthRates_lbl" xml:lang="en-US" id="id_14165682_3526308_3_1">Assumption of perpetual growth rates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_AssumptionOfPerpetualGrowthRates_lbl" xml:lang="en-US" id="id_14165682_3526308_1_1">Assumption Of Perpetual Growth Rates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_AssumptionOfPerpetualGrowthRates_lbl" xml:lang="en-US" id="id_14165682_3526308_2_1">Perpetual growth rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_AssumptionOfPerpetualGrowthRates" xlink:to="tri_AssumptionOfPerpetualGrowthRates_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AtFairValueMember" xlink:label="ifrs-full_AtFairValueMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AtFairValueMember_lbl" xml:lang="en-US" id="id_14165682_3417065_1_1">At fair value [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AtFairValueMember_lbl" xml:lang="en-US" id="id_14165682_3417065_2_1">At fair value [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AtFairValueMember" xlink:to="ifrs-full_AtFairValueMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_AverageEffectiveTaxRate" xlink:label="ifrs-full_AverageEffectiveTaxRate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AverageEffectiveTaxRate_lbl" xml:lang="en-US" id="id_14165682_3417068_1_1">Average effective tax rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_AverageEffectiveTaxRate_lbl" xml:lang="en-US" id="id_14165682_3417068_2_1">Effective income tax expense (benefit) rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AverageEffectiveTaxRate" xlink:to="ifrs-full_AverageEffectiveTaxRate_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_BalanceSheetLocationAxis" xlink:label="tri_BalanceSheetLocationAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_BalanceSheetLocationAxis_lbl" xml:lang="en-US" id="id_14165682_3532716_3_1">Balance sheet location.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_BalanceSheetLocationAxis_lbl" xml:lang="en-US" id="id_14165682_3532716_1_1">Balance Sheet Location [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_BalanceSheetLocationAxis_lbl" xml:lang="en-US" id="id_14165682_3532716_2_1">Balance Sheet Location [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_BalanceSheetLocationAxis" xlink:to="tri_BalanceSheetLocationAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_BalanceSheetLocationMember" xlink:label="tri_BalanceSheetLocationMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_BalanceSheetLocationMember_lbl" xml:lang="en-US" id="id_14165682_3532717_3_1">Balance Sheet Location [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_BalanceSheetLocationMember_lbl" xml:lang="en-US" id="id_14165682_3532717_1_1">Balance Sheet Location [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_BalanceSheetLocationMember_lbl" xml:lang="en-US" id="id_14165682_3532717_2_1">Balance Sheet Location [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_BalanceSheetLocationMember" xlink:to="tri_BalanceSheetLocationMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_BankAndOtherMember" xlink:label="tri_BankAndOtherMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_BankAndOtherMember_lbl" xml:lang="en-US" id="id_14165682_3509170_3_1">Bank and other.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_BankAndOtherMember_lbl" xml:lang="en-US" id="id_14165682_3509170_1_1">Bank And Other [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_BankAndOtherMember_lbl" xml:lang="en-US" id="id_14165682_3509170_2_1">Bank and Other [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_BankAndOtherMember" xlink:to="tri_BankAndOtherMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_BankIndebtednessMember" xlink:label="tri_BankIndebtednessMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_BankIndebtednessMember_lbl" xml:lang="en-US" id="id_14165682_3509194_3_1">Bank indebtedness [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_BankIndebtednessMember_lbl" xml:lang="en-US" id="id_14165682_3509194_1_1">Bank indebtedness [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_BankIndebtednessMember_lbl" xml:lang="en-US" id="id_14165682_3509194_2_1">Bank Indebtedness [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_BankIndebtednessMember" xlink:to="tri_BankIndebtednessMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_BankingArrangementsClassifiedAsCashEquivalents" xlink:label="ifrs-full_BankingArrangementsClassifiedAsCashEquivalents"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BankingArrangementsClassifiedAsCashEquivalents_lbl" xml:lang="en-US" id="id_14165682_3416660_1_1">Other banking arrangements, classified as cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BankingArrangementsClassifiedAsCashEquivalents_lbl" xml:lang="en-US" id="id_14165682_3416660_2_1">Money market accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_BankingArrangementsClassifiedAsCashEquivalents_lbl" xml:lang="en-US" id="id_14165682_3416660_12_1">Money market funds</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BankingArrangementsClassifiedAsCashEquivalents" xlink:to="ifrs-full_BankingArrangementsClassifiedAsCashEquivalents_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_BankOverdraftsClassifiedAsCashEquivalents" xlink:label="ifrs-full_BankOverdraftsClassifiedAsCashEquivalents"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BankOverdraftsClassifiedAsCashEquivalents_lbl" xml:lang="en-US" id="id_14165682_3417296_1_1">Bank overdrafts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:label="ifrs-full_BankOverdraftsClassifiedAsCashEquivalents_lbl" xml:lang="en-US" id="id_14165682_3417296_16_1">Bank overdrafts</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BankOverdraftsClassifiedAsCashEquivalents" xlink:to="ifrs-full_BankOverdraftsClassifiedAsCashEquivalents_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_BasicAndDilutedEarningsLossPerShare" xlink:label="ifrs-full_BasicAndDilutedEarningsLossPerShare"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BasicAndDilutedEarningsLossPerShare_lbl" xml:lang="en-US" id="id_14165682_3416664_1_1">Basic and diluted earnings (loss) per share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_BasicAndDilutedEarningsLossPerShare_lbl" xml:lang="en-US" id="id_14165682_3416664_6_1">Basic and diluted earnings per share</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BasicAndDilutedEarningsLossPerShare" xlink:to="ifrs-full_BasicAndDilutedEarningsLossPerShare_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_BasicAndDilutedEarningsLossPerShareFromContinuingOperations" xlink:label="ifrs-full_BasicAndDilutedEarningsLossPerShareFromContinuingOperations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BasicAndDilutedEarningsLossPerShareFromContinuingOperations_lbl" xml:lang="en-US" id="id_14165682_3416862_1_1">Basic and diluted earnings (loss) per share from continuing operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BasicAndDilutedEarningsLossPerShareFromContinuingOperations_lbl" xml:lang="en-US" id="id_14165682_3416862_2_1">From continuing operations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BasicAndDilutedEarningsLossPerShareFromContinuingOperations" xlink:to="ifrs-full_BasicAndDilutedEarningsLossPerShareFromContinuingOperations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_BasicAndDilutedEarningsLossPerShareFromDiscontinuedOperations" xlink:label="ifrs-full_BasicAndDilutedEarningsLossPerShareFromDiscontinuedOperations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BasicAndDilutedEarningsLossPerShareFromDiscontinuedOperations_lbl" xml:lang="en-US" id="id_14165682_3417302_1_1">Basic and diluted earnings (loss) per share from discontinued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BasicAndDilutedEarningsLossPerShareFromDiscontinuedOperations_lbl" xml:lang="en-US" id="id_14165682_3417302_2_1">From discontinued operations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BasicAndDilutedEarningsLossPerShareFromDiscontinuedOperations" xlink:to="ifrs-full_BasicAndDilutedEarningsLossPerShareFromDiscontinuedOperations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_BasicAndDilutedEarningsPerShareAbstract" xlink:label="ifrs-full_BasicAndDilutedEarningsPerShareAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BasicAndDilutedEarningsPerShareAbstract_lbl" xml:lang="en-US" id="id_14165682_3416863_1_1">Basic and diluted earnings per share [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BasicAndDilutedEarningsPerShareAbstract_lbl" xml:lang="en-US" id="id_14165682_3416863_2_1">Basic and diluted earnings per share</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BasicAndDilutedEarningsPerShareAbstract" xlink:to="ifrs-full_BasicAndDilutedEarningsPerShareAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_BetweenOneAndTwoYearsMember" xlink:label="tri_BetweenOneAndTwoYearsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_BetweenOneAndTwoYearsMember_lbl" xml:lang="en-US" id="id_14165682_3494325_3_1">Between one and two years [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_BetweenOneAndTwoYearsMember_lbl" xml:lang="en-US" id="id_14165682_3494325_1_1">Between one and two years [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_BetweenOneAndTwoYearsMember_lbl" xml:lang="en-US" id="id_14165682_3494325_2_1">Between one and two years [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_BetweenOneAndTwoYearsMember" xlink:to="tri_BetweenOneAndTwoYearsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_BetweenTwoAndThreeYearsMember" xlink:label="tri_BetweenTwoAndThreeYearsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_BetweenTwoAndThreeYearsMember_lbl" xml:lang="en-US" id="id_14165682_3553395_3_1">Between two and three years [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_BetweenTwoAndThreeYearsMember_lbl" xml:lang="en-US" id="id_14165682_3553395_1_1">Between two and three years [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_BetweenTwoAndThreeYearsMember_lbl" xml:lang="en-US" id="id_14165682_3553395_2_1">Between two and three years [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_BetweenTwoAndThreeYearsMember" xlink:to="tri_BetweenTwoAndThreeYearsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_BorrowedAndRepaidAmount" xlink:label="tri_BorrowedAndRepaidAmount"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_BorrowedAndRepaidAmount_lbl" xml:lang="en-US" id="id_14165682_3446154_3_1">Borrowed and repaid amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_BorrowedAndRepaidAmount_lbl" xml:lang="en-US" id="id_14165682_3446154_1_1">Borrowed and repaid amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_BorrowedAndRepaidAmount_lbl" xml:lang="en-US" id="id_14165682_3446154_2_1">Borrowings repaid</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_BorrowedAndRepaidAmount" xlink:to="tri_BorrowedAndRepaidAmount_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_BorrowingRedemptionAxis" xlink:label="tri_BorrowingRedemptionAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_BorrowingRedemptionAxis_lbl" xml:lang="en-US" id="id_14165682_3475759_3_1">Borrowing redemption [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_BorrowingRedemptionAxis_lbl" xml:lang="en-US" id="id_14165682_3475759_1_1">Borrowing redemption [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_BorrowingRedemptionAxis_lbl" xml:lang="en-US" id="id_14165682_3475759_2_1">Borrowing redemption [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_BorrowingRedemptionAxis" xlink:to="tri_BorrowingRedemptionAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_BorrowingRedemptionDomain" xlink:label="tri_BorrowingRedemptionDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_BorrowingRedemptionDomain_lbl" xml:lang="en-US" id="id_14165682_3512134_3_1">Borrowing redemption [domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_BorrowingRedemptionDomain_lbl" xml:lang="en-US" id="id_14165682_3512134_1_1">Borrowing redemption [domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_BorrowingRedemptionDomain_lbl" xml:lang="en-US" id="id_14165682_3512134_2_1">Borrowing redemption [domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_BorrowingRedemptionDomain" xlink:to="tri_BorrowingRedemptionDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_Borrowings" xlink:label="ifrs-full_Borrowings"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Borrowings_lbl" xml:lang="en-US" id="id_14165682_3416694_1_1">Borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_Borrowings_lbl" xml:lang="en-US" id="id_14165682_3416694_2_1">Borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_Borrowings_lbl" xml:lang="en-US" id="id_14165682_3416694_6_1">Total debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_Borrowings_lbl" xml:lang="en-US" id="id_14165682_3416694_12_1">Long-term debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Borrowings" xlink:to="ifrs-full_Borrowings_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_BorrowingsAbstract" xlink:label="ifrs-full_BorrowingsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BorrowingsAbstract_lbl" xml:lang="en-US" id="id_14165682_3417323_1_1">Borrowings [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BorrowingsAbstract_lbl" xml:lang="en-US" id="id_14165682_3417323_2_1">Borrowings [abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BorrowingsAbstract" xlink:to="ifrs-full_BorrowingsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:label="ifrs-full_BorrowingsAdjustmentToInterestRateBasis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BorrowingsAdjustmentToInterestRateBasis_lbl" xml:lang="en-US" id="id_14165682_3416695_1_1">Borrowings, adjustment to interest rate basis</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BorrowingsAdjustmentToInterestRateBasis_lbl" xml:lang="en-US" id="id_14165682_3416695_2_1">Credit facility, rate of interest added to reference rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:to="ifrs-full_BorrowingsAdjustmentToInterestRateBasis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_BorrowingsByNameAxis" xlink:label="ifrs-full_BorrowingsByNameAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BorrowingsByNameAxis_lbl" xml:lang="en-US" id="id_14165682_3416696_1_1">Borrowings by name [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BorrowingsByNameAxis_lbl" xml:lang="en-US" id="id_14165682_3416696_2_1">Borrowings by name [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BorrowingsByNameAxis" xlink:to="ifrs-full_BorrowingsByNameAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_BorrowingsByNameMember" xlink:label="ifrs-full_BorrowingsByNameMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BorrowingsByNameMember_lbl" xml:lang="en-US" id="id_14165682_3416886_1_1">Borrowings by name [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BorrowingsByNameMember_lbl" xml:lang="en-US" id="id_14165682_3416886_2_1">Borrowings by name [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BorrowingsByNameMember" xlink:to="ifrs-full_BorrowingsByNameMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_BorrowingsInterestRate" xlink:label="ifrs-full_BorrowingsInterestRate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BorrowingsInterestRate_lbl" xml:lang="en-US" id="id_14165682_3417325_1_1">Borrowings, interest rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BorrowingsInterestRate_lbl" xml:lang="en-US" id="id_14165682_3417325_2_1">Debt instrument, interest rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_BorrowingsInterestRate_lbl" xml:lang="en-US" id="id_14165682_3417325_12_1">Weighted-average interest rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BorrowingsInterestRate" xlink:to="ifrs-full_BorrowingsInterestRate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_BorrowingsMaturity" xlink:label="ifrs-full_BorrowingsMaturity"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BorrowingsMaturity_lbl" xml:lang="en-US" id="id_14165682_3416697_1_1">Borrowings, maturity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BorrowingsMaturity_lbl" xml:lang="en-US" id="id_14165682_3416697_2_1">Debt instrument, maturity year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_BorrowingsMaturity_lbl" xml:lang="en-US" id="id_14165682_3416697_12_1">Maturity date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BorrowingsMaturity" xlink:to="ifrs-full_BorrowingsMaturity_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_BorrowingsMaximumBorrowingCapacity" xlink:label="tri_BorrowingsMaximumBorrowingCapacity"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_BorrowingsMaximumBorrowingCapacity_lbl" xml:lang="en-US" id="id_14165682_3433292_3_1">Borrowings maximum borrowing capacity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_BorrowingsMaximumBorrowingCapacity_lbl" xml:lang="en-US" id="id_14165682_3433292_1_1">Borrowings Maximum Borrowing Capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_BorrowingsMaximumBorrowingCapacity_lbl" xml:lang="en-US" id="id_14165682_3433292_2_1">Commercial paper programs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_BorrowingsMaximumBorrowingCapacity" xlink:to="tri_BorrowingsMaximumBorrowingCapacity_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_BorrowingsOriginalCurrency" xlink:label="ifrs-full_BorrowingsOriginalCurrency"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BorrowingsOriginalCurrency_lbl" xml:lang="en-US" id="id_14165682_3417111_1_1">Borrowings, original currency</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BorrowingsOriginalCurrency_lbl" xml:lang="en-US" id="id_14165682_3417111_2_1">Debt instrument, original currency</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BorrowingsOriginalCurrency" xlink:to="ifrs-full_BorrowingsOriginalCurrency_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_BorrowingsRepaidDate" xlink:label="tri_BorrowingsRepaidDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_BorrowingsRepaidDate_lbl" xml:lang="en-US" id="id_14165682_3469888_3_1">Borrowings repaid date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_BorrowingsRepaidDate_lbl" xml:lang="en-US" id="id_14165682_3469888_1_1">Borrowings Repaid Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_BorrowingsRepaidDate_lbl" xml:lang="en-US" id="id_14165682_3469888_2_1">Notes, repaid date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_BorrowingsRepaidDate" xlink:to="tri_BorrowingsRepaidDate_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_BorrowingsRepayment" xlink:label="tri_BorrowingsRepayment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_BorrowingsRepayment_lbl" xml:lang="en-US" id="id_14165682_3442681_3_1">Borrowings (repayment).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_BorrowingsRepayment_lbl" xml:lang="en-US" id="id_14165682_3442681_1_1">Borrowings Repayment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_BorrowingsRepayment_lbl" xml:lang="en-US" id="id_14165682_3442681_2_1">Debt instrument, repaid amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_BorrowingsRepayment" xlink:to="tri_BorrowingsRepayment_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_BottomOfRangeMember" xlink:label="ifrs-full_BottomOfRangeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BottomOfRangeMember_lbl" xml:lang="en-US" id="id_14165682_3416700_1_1">Bottom of range [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BottomOfRangeMember_lbl" xml:lang="en-US" id="id_14165682_3416700_2_1">Bottom of range [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BottomOfRangeMember" xlink:to="ifrs-full_BottomOfRangeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_BrandNames" xlink:label="ifrs-full_BrandNames"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BrandNames_lbl" xml:lang="en-US" id="id_14165682_3417113_1_1">Brand names</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BrandNames_lbl" xml:lang="en-US" id="id_14165682_3417113_2_1">Trade Name</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BrandNames" xlink:to="ifrs-full_BrandNames_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_BrandNamesMember" xlink:label="ifrs-full_BrandNamesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BrandNamesMember_lbl" xml:lang="en-US" id="id_14165682_3417332_1_1">Brand names [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BrandNamesMember_lbl" xml:lang="en-US" id="id_14165682_3417332_2_1">Trade names [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BrandNamesMember" xlink:to="ifrs-full_BrandNamesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_BritishPoundSterlingBuyMember" xlink:label="tri_BritishPoundSterlingBuyMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_BritishPoundSterlingBuyMember_lbl" xml:lang="en-US" id="id_14165682_3510288_3_1">British pound sterling buy.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_BritishPoundSterlingBuyMember_lbl" xml:lang="en-US" id="id_14165682_3510288_1_1">British Pound Sterling Buy [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_BritishPoundSterlingBuyMember_lbl" xml:lang="en-US" id="id_14165682_3510288_2_1">British pound sterling buy [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_BritishPoundSterlingBuyMember" xlink:to="tri_BritishPoundSterlingBuyMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_BuildingsMember" xlink:label="ifrs-full_BuildingsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BuildingsMember_lbl" xml:lang="en-US" id="id_14165682_3416891_1_1">Buildings [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BuildingsMember_lbl" xml:lang="en-US" id="id_14165682_3416891_2_1">Buildings and building improvements [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BuildingsMember" xlink:to="ifrs-full_BuildingsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_BusinessAcquiredPurchasePrice" xlink:label="tri_BusinessAcquiredPurchasePrice"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_BusinessAcquiredPurchasePrice_lbl" xml:lang="en-US" id="id_14165682_3457023_3_1">Total purchase price of businesses net of cash.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_BusinessAcquiredPurchasePrice_lbl" xml:lang="en-US" id="id_14165682_3457023_1_1">Business acquired purchase price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_BusinessAcquiredPurchasePrice_lbl" xml:lang="en-US" id="id_14165682_3457023_2_1">Businesses acquired, net of cash</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_BusinessAcquiredPurchasePrice" xlink:to="tri_BusinessAcquiredPurchasePrice_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_BusinessAcquisitionPurchasePriceAllocationAndAssetsAcquiredLiabilitiesAssumedNet" xlink:label="tri_BusinessAcquisitionPurchasePriceAllocationAndAssetsAcquiredLiabilitiesAssumedNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_BusinessAcquisitionPurchasePriceAllocationAndAssetsAcquiredLiabilitiesAssumedNet_lbl" xml:lang="en-US" id="id_14165682_3453440_3_1">Business acquisition purchase price allocation and assets acquired liabilities assumed net.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_BusinessAcquisitionPurchasePriceAllocationAndAssetsAcquiredLiabilitiesAssumedNet_lbl" xml:lang="en-US" id="id_14165682_3453440_1_1">Business Acquisition Purchase Price Allocation And Assets Acquired Liabilities Assumed Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="tri_BusinessAcquisitionPurchasePriceAllocationAndAssetsAcquiredLiabilitiesAssumedNet_lbl" xml:lang="en-US" id="id_14165682_3453440_6_1">Total</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_BusinessAcquisitionPurchasePriceAllocationAndAssetsAcquiredLiabilitiesAssumedNet" xlink:to="tri_BusinessAcquisitionPurchasePriceAllocationAndAssetsAcquiredLiabilitiesAssumedNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_BusinessCombinationsAxis" xlink:label="ifrs-full_BusinessCombinationsAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BusinessCombinationsAxis_lbl" xml:lang="en-US" id="id_14165682_3417116_1_1">Business combinations [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BusinessCombinationsAxis_lbl" xml:lang="en-US" id="id_14165682_3417116_2_1">Business combinations [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BusinessCombinationsAxis" xlink:to="ifrs-full_BusinessCombinationsAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_BusinessCombinationsMember" xlink:label="ifrs-full_BusinessCombinationsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BusinessCombinationsMember_lbl" xml:lang="en-US" id="id_14165682_3417117_1_1">Business combinations [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_BusinessCombinationsMember_lbl" xml:lang="en-US" id="id_14165682_3417117_2_1">Business combinations [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BusinessCombinationsMember" xlink:to="ifrs-full_BusinessCombinationsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_CA" xlink:label="country_CA"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_CA_lbl" xml:lang="en-US" id="id_14165682_3416717_1_1">CANADA</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="country_CA_lbl" xml:lang="en-US" id="id_14165682_3416717_2_1">Canada [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_CA" xlink:to="country_CA_lbl"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2017/currency-2017-01-31.xsd#currency_CAD" xlink:label="currency_CAD"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="currency_CAD_lbl" xml:lang="en-US" id="id_14165682_3417343_1_1">Canada, Dollars</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="currency_CAD_lbl" xml:lang="en-US" id="id_14165682_3417343_2_1">Canada, Dollars [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="currency_CAD" xlink:to="currency_CAD_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CanadianDollarMember" xlink:label="tri_CanadianDollarMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_CanadianDollarMember_lbl" xml:lang="en-US" id="id_14165682_3479619_3_1">Canadian dollar.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CanadianDollarMember_lbl" xml:lang="en-US" id="id_14165682_3479619_1_1">Canadian dollar [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_CanadianDollarMember_lbl" xml:lang="en-US" id="id_14165682_3479619_2_1">Canadian Dollar [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CanadianDollarMember" xlink:to="tri_CanadianDollarMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_Capital1" xlink:label="tri_Capital1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_Capital1_lbl" xml:lang="en-US" id="id_14165682_3446869_3_1">Total capital of the entity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_Capital1_lbl" xml:lang="en-US" id="id_14165682_3446869_1_1">Capital1</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_Capital1_lbl" xml:lang="en-US" id="id_14165682_3446869_2_1">Capital</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_Capital1" xlink:to="tri_Capital1_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CapitalContribution" xlink:label="tri_CapitalContribution"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_CapitalContribution_lbl" xml:lang="en-US" id="id_14165682_3446860_3_1">Capital contribution.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CapitalContribution_lbl" xml:lang="en-US" id="id_14165682_3446860_1_1">Capital Contribution</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_CapitalContribution_lbl" xml:lang="en-US" id="id_14165682_3446860_2_1">Equity contribution</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CapitalContribution" xlink:to="tri_CapitalContribution_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CapitalisedDevelopmentExpenditureMember" xlink:label="ifrs-full_CapitalisedDevelopmentExpenditureMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CapitalisedDevelopmentExpenditureMember_lbl" xml:lang="en-US" id="id_14165682_3416901_1_1">Capitalised development expenditure [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CapitalisedDevelopmentExpenditureMember_lbl" xml:lang="en-US" id="id_14165682_3416901_2_1">Technology Related Development [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CapitalisedDevelopmentExpenditureMember" xlink:to="ifrs-full_CapitalisedDevelopmentExpenditureMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CapitalLossesMember" xlink:label="tri_CapitalLossesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_CapitalLossesMember_lbl" xml:lang="en-US" id="id_14165682_3500190_3_1">Capital losses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CapitalLossesMember_lbl" xml:lang="en-US" id="id_14165682_3500190_1_1">Capital Losses [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_CapitalLossesMember_lbl" xml:lang="en-US" id="id_14165682_3500190_2_1">Capital Losses [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CapitalLossesMember" xlink:to="tri_CapitalLossesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CapitalRequirementsAxis" xlink:label="ifrs-full_CapitalRequirementsAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CapitalRequirementsAxis_lbl" xml:lang="en-US" id="id_14165682_3416902_1_1">Capital requirements [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CapitalRequirementsAxis_lbl" xml:lang="en-US" id="id_14165682_3416902_2_1">Capital requirements [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CapitalRequirementsAxis" xlink:to="ifrs-full_CapitalRequirementsAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CapitalRequirementsMember" xlink:label="ifrs-full_CapitalRequirementsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CapitalRequirementsMember_lbl" xml:lang="en-US" id="id_14165682_3417130_1_1">Capital requirements [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CapitalRequirementsMember_lbl" xml:lang="en-US" id="id_14165682_3417130_2_1">Capital requirements [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CapitalRequirementsMember" xlink:to="ifrs-full_CapitalRequirementsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:label="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_lbl" xml:lang="en-US" id="id_14165682_3416904_1_1">Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_lbl" xml:lang="en-US" id="id_14165682_3416904_2_1">Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:to="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CarryingAmountMember" xlink:label="ifrs-full_CarryingAmountMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CarryingAmountMember_lbl" xml:lang="en-US" id="id_14165682_3417348_1_1">Carrying amount [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CarryingAmountMember_lbl" xml:lang="en-US" id="id_14165682_3417348_2_1">Carrying amount [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CarryingAmountMember" xlink:to="ifrs-full_CarryingAmountMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_Cash" xlink:label="ifrs-full_Cash"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Cash_lbl" xml:lang="en-US" id="id_14165682_3417349_1_1">Cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_Cash_lbl" xml:lang="en-US" id="id_14165682_3417349_2_1">Cash at bank and on hand</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Cash" xlink:to="ifrs-full_Cash_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CashAndCashEquivalentMember" xlink:label="tri_CashAndCashEquivalentMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_CashAndCashEquivalentMember_lbl" xml:lang="en-US" id="id_14165682_3509064_3_1">Cash and cash equivalent.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CashAndCashEquivalentMember_lbl" xml:lang="en-US" id="id_14165682_3509064_1_1">Cash and Cash Equivalent [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_CashAndCashEquivalentMember_lbl" xml:lang="en-US" id="id_14165682_3509064_2_1">Cash and cash equivalent [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CashAndCashEquivalentMember" xlink:to="tri_CashAndCashEquivalentMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="ifrs-full_CashAndCashEquivalents"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashAndCashEquivalents_lbl" xml:lang="en-US" id="id_14165682_3416724_1_1">Cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_CashAndCashEquivalents_lbl" xml:lang="en-US" id="id_14165682_3416724_4_1">Cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashAndCashEquivalents_lbl" xml:lang="en-US" id="id_14165682_3416724_2_1">Cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CashAndCashEquivalents_lbl" xml:lang="en-US" id="id_14165682_3416724_6_1">Cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_CashAndCashEquivalents_lbl" xml:lang="en-US" id="id_14165682_3416724_14_1">Cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="ifrs-full_CashAndCashEquivalents_lbl" xml:lang="en-US" id="id_14165682_3416724_18_1">Less: cash and cash equivalents</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashAndCashEquivalents" xlink:to="ifrs-full_CashAndCashEquivalents_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CashAndCashEquivalentsAbstract" xlink:label="ifrs-full_CashAndCashEquivalentsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashAndCashEquivalentsAbstract_lbl" xml:lang="en-US" id="id_14165682_3417132_1_1">Cash and cash equivalents [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashAndCashEquivalentsAbstract_lbl" xml:lang="en-US" id="id_14165682_3417132_2_1">Cash and cash equivalents [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashAndCashEquivalentsAbstract" xlink:to="ifrs-full_CashAndCashEquivalentsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CashAndCashEquivalentsAmountContributedToFairValueOfPlanAssets" xlink:label="ifrs-full_CashAndCashEquivalentsAmountContributedToFairValueOfPlanAssets"/>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate" xlink:label="ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3417355_1_1">Cash and cash equivalents recognised as of acquisition date</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3417355_14_1">Less: Cash acquired</label>
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    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CashFlowHedgeSensitivityToIncreaseInCadInterestRates" xlink:label="tri_CashFlowHedgeSensitivityToIncreaseInCadInterestRates"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CashFlowHedgeSensitivityToIncreaseInCadInterestRates_lbl" xml:lang="en-US" id="id_14165682_3446090_1_1">Cash flow hedge sensitivity to increase in CAD interest rates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="tri_CashFlowHedgeSensitivityToIncreaseInCadInterestRates_lbl" xml:lang="en-US" id="id_14165682_3446090_14_1">Cash flow hedge sensitivity to increase in CAD interest rates</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CashFlowHedgeSensitivityToIncreaseInCadInterestRates" xlink:to="tri_CashFlowHedgeSensitivityToIncreaseInCadInterestRates_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CashFlowHedgeSensitivityToIncreaseInUSDInterestRates" xlink:label="tri_CashFlowHedgeSensitivityToIncreaseInUSDInterestRates"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_CashFlowHedgeSensitivityToIncreaseInUSDInterestRates_lbl" xml:lang="en-US" id="id_14165682_3445002_3_1">Cash flow hedge sensitivity to increase in USD interest rates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CashFlowHedgeSensitivityToIncreaseInUSDInterestRates_lbl" xml:lang="en-US" id="id_14165682_3445002_1_1">Cash flow hedge sensitivity to increase in USD interest rates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_CashFlowHedgeSensitivityToIncreaseInUSDInterestRates_lbl" xml:lang="en-US" id="id_14165682_3445002_2_1">Cash flow hedge sensitivity to increase in USD interest rates</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CashFlowHedgeSensitivityToIncreaseInUSDInterestRates" xlink:to="tri_CashFlowHedgeSensitivityToIncreaseInUSDInterestRates_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:label="ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_lbl" xml:lang="en-US" id="id_14165682_3417358_2_1">Proceeds from disposals of businesses and investments</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities_lbl" xml:lang="en-US" id="id_14165682_3416913_1_1">Cash flows from (used in) financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities_lbl" xml:lang="en-US" id="id_14165682_3416913_6_1">Net cash used in financing activities</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US" id="id_14165682_3416914_2_1">FINANCING ACTIVITIES</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivitiesContinuingOperations" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivitiesContinuingOperations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivitiesContinuingOperations_lbl" xml:lang="en-US" id="id_14165682_3416915_1_1">Cash flows from (used in) financing activities, continuing operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivitiesContinuingOperations_lbl" xml:lang="en-US" id="id_14165682_3416915_6_1">Financing cash flows from continuing operations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivitiesContinuingOperations" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivitiesContinuingOperations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations_lbl" xml:lang="en-US" id="id_14165682_3416916_1_1">Cash flows from (used in) financing activities, discontinued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations_lbl" xml:lang="en-US" id="id_14165682_3416916_2_1">Financing cash flows from discontinued operations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CashFlowsFromUsedInIncreaseDecreaseInCurrentBorrowings" xlink:label="ifrs-full_CashFlowsFromUsedInIncreaseDecreaseInCurrentBorrowings"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashFlowsFromUsedInIncreaseDecreaseInCurrentBorrowings_lbl" xml:lang="en-US" id="id_14165682_3416730_2_1">Net (repayments) borrowings under short-term loan facilities</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities_lbl" xml:lang="en-US" id="id_14165682_3416731_1_1">Cash flows from (used in) investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities_lbl" xml:lang="en-US" id="id_14165682_3416731_6_1">Net cash provided by (used in) investing activities</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_lbl" xml:lang="en-US" id="id_14165682_3416732_1_1">Cash flows from (used in) investing activities [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_lbl" xml:lang="en-US" id="id_14165682_3416732_2_1">INVESTING ACTIVITIES</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivitiesContinuingOperations_lbl" xml:lang="en-US" id="id_14165682_3417361_1_1">Cash flows from (used in) investing activities, continuing operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivitiesContinuingOperations_lbl" xml:lang="en-US" id="id_14165682_3417361_6_1">Investing cash flows from continuing operations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivitiesContinuingOperations" xlink:to="ifrs-full_CashFlowsFromUsedInInvestingActivitiesContinuingOperations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations_lbl" xml:lang="en-US" id="id_14165682_3417138_1_1">Cash flows from (used in) investing activities, discontinued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations_lbl" xml:lang="en-US" id="id_14165682_3417138_2_1">Investing cash flows from discontinued operations, net of taxes paid</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations_lbl" xml:lang="en-US" id="id_14165682_3416919_1_1">Cash flows from (used in) operating activities, discontinued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations_lbl" xml:lang="en-US" id="id_14165682_3416919_2_1">Operating cash flows from discontinued operations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations" xlink:to="ifrs-full_CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:label="ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_lbl" xml:lang="en-US" id="id_14165682_3416920_1_1">Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_lbl" xml:lang="en-US" id="id_14165682_3416920_14_1">Acquisitions, net of cash acquired</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:to="ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CashPaidForAcquisitionOfBusinesses" xlink:label="tri_CashPaidForAcquisitionOfBusinesses"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_CashPaidForAcquisitionOfBusinesses_lbl" xml:lang="en-US" id="id_14165682_3440582_3_1">Cash paid for acquisition of businesses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CashPaidForAcquisitionOfBusinesses_lbl" xml:lang="en-US" id="id_14165682_3440582_1_1">Cash Paid for Acquisition Of Businesses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_CashPaidForAcquisitionOfBusinesses_lbl" xml:lang="en-US" id="id_14165682_3440582_2_1">Businesses acquired</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CashPaidForAcquisitionOfBusinesses" xlink:to="tri_CashPaidForAcquisitionOfBusinesses_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CashPricePerOrdinaryShare" xlink:label="tri_CashPricePerOrdinaryShare"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_CashPricePerOrdinaryShare_lbl" xml:lang="en-US" id="id_14165682_3522979_3_1">Cash price per ordinary share.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CashPricePerOrdinaryShare_lbl" xml:lang="en-US" id="id_14165682_3522979_1_1">Cash Price Per Ordinary Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_CashPricePerOrdinaryShare_lbl" xml:lang="en-US" id="id_14165682_3522979_2_1">Cash per common share</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CashPricePerOrdinaryShare" xlink:to="tri_CashPricePerOrdinaryShare_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CashTradeAndOtherReceivablesMember" xlink:label="tri_CashTradeAndOtherReceivablesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_CashTradeAndOtherReceivablesMember_lbl" xml:lang="en-US" id="id_14165682_3480408_3_1">Cash trade and other receivables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CashTradeAndOtherReceivablesMember_lbl" xml:lang="en-US" id="id_14165682_3480408_1_1">Cash Trade and Other Receivables [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_CashTradeAndOtherReceivablesMember_lbl" xml:lang="en-US" id="id_14165682_3480408_2_1">Cash trade and other receivables [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CashTradeAndOtherReceivablesMember" xlink:to="tri_CashTradeAndOtherReceivablesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:label="ifrs-full_CategoriesOfFinancialAssetsAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CategoriesOfFinancialAssetsAxis_lbl" xml:lang="en-US" id="id_14165682_3416739_1_1">Categories of financial assets [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CategoriesOfFinancialAssetsAxis_lbl" xml:lang="en-US" id="id_14165682_3416739_2_1">Categories of financial assets [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:to="ifrs-full_CategoriesOfFinancialAssetsAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:label="ifrs-full_CategoriesOfFinancialLiabilitiesAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CategoriesOfFinancialLiabilitiesAxis_lbl" xml:lang="en-US" id="id_14165682_3417147_1_1">Categories of financial liabilities [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CategoriesOfFinancialLiabilitiesAxis_lbl" xml:lang="en-US" id="id_14165682_3417147_2_1">Categories of financial liabilities [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_CategoriesOfFinancialLiabilitiesAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:label="ifrs-full_CategoriesOfRelatedPartiesAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CategoriesOfRelatedPartiesAxis_lbl" xml:lang="en-US" id="id_14165682_3416740_1_1">Categories of related parties [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CategoriesOfRelatedPartiesAxis_lbl" xml:lang="en-US" id="id_14165682_3416740_2_1">Categories of related parties [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:to="ifrs-full_CategoriesOfRelatedPartiesAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ChangesInFairValueOfCreditDerivativeAbstract" xlink:label="ifrs-full_ChangesInFairValueOfCreditDerivativeAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ChangesInFairValueOfCreditDerivativeAbstract_lbl" xml:lang="en-US" id="id_14165682_3416935_1_1">Changes in fair value of credit derivative [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ChangesInFairValueOfCreditDerivativeAbstract_lbl" xml:lang="en-US" id="id_14165682_3416935_2_1">Changes in fair value of credit derivative [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ChangesInFairValueOfCreditDerivativeAbstract" xlink:to="ifrs-full_ChangesInFairValueOfCreditDerivativeAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ChangesInGoodwillAbstract" xlink:label="ifrs-full_ChangesInGoodwillAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ChangesInGoodwillAbstract_lbl" xml:lang="en-US" id="id_14165682_3417165_1_1">Changes in goodwill [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ChangesInGoodwillAbstract_lbl" xml:lang="en-US" id="id_14165682_3417165_2_1">Changes in goodwill [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ChangesInGoodwillAbstract" xlink:to="ifrs-full_ChangesInGoodwillAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ClassesOfAssetsAxis" xlink:label="ifrs-full_ClassesOfAssetsAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfAssetsAxis_lbl" xml:lang="en-US" id="id_14165682_3417430_1_1">Classes of assets [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ClassesOfAssetsAxis_lbl" xml:lang="en-US" id="id_14165682_3417430_2_1">Classes of assets [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfAssetsAxis" xlink:to="ifrs-full_ClassesOfAssetsAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ClassesOfAssetsMember" xlink:label="ifrs-full_ClassesOfAssetsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3417431_1_1">Assets [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ClassesOfAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3417431_2_1">Assets [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfAssetsMember" xlink:to="ifrs-full_ClassesOfAssetsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ClassesOfFinancialAssetsAxis" xlink:label="ifrs-full_ClassesOfFinancialAssetsAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfFinancialAssetsAxis_lbl" xml:lang="en-US" id="id_14165682_3417434_1_1">Classes of financial assets [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ClassesOfFinancialAssetsAxis_lbl" xml:lang="en-US" id="id_14165682_3417434_2_1">Classes of financial assets [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="ifrs-full_ClassesOfFinancialAssetsAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsAxis_lbl" xml:lang="en-US" id="id_14165682_3416962_1_1">Classes of financial instruments [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsAxis_lbl" xml:lang="en-US" id="id_14165682_3416962_2_1">Classes of financial instruments [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:to="ifrs-full_ClassesOfFinancialInstrumentsAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ClassesOfFinancialInstrumentsMember" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsMember_lbl" xml:lang="en-US" id="id_14165682_3417393_1_1">Financial instruments, class [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsMember_lbl" xml:lang="en-US" id="id_14165682_3417393_2_1">Financial instruments, class [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsMember" xlink:to="ifrs-full_ClassesOfFinancialInstrumentsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:label="ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis_lbl" xml:lang="en-US" id="id_14165682_3417435_1_1">Classes of intangible assets and goodwill [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis_lbl" xml:lang="en-US" id="id_14165682_3417435_2_1">Classes of intangible assets and goodwill [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:to="ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:label="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis_lbl" xml:lang="en-US" id="id_14165682_3417436_1_1">Classes of intangible assets other than goodwill [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis_lbl" xml:lang="en-US" id="id_14165682_3417436_2_1">Classes of intangible assets other than goodwill [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:to="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:label="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_lbl" xml:lang="en-US" id="id_14165682_3417395_1_1">Classes of property, plant and equipment [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_lbl" xml:lang="en-US" id="id_14165682_3417395_2_1">Classes of property, plant and equipment [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:to="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ClassesOfProvisionsAxis" xlink:label="ifrs-full_ClassesOfProvisionsAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfProvisionsAxis_lbl" xml:lang="en-US" id="id_14165682_3417396_1_1">Classes of other provisions [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ClassesOfProvisionsAxis_lbl" xml:lang="en-US" id="id_14165682_3417396_2_1">Classes of other provisions [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfProvisionsAxis" xlink:to="ifrs-full_ClassesOfProvisionsAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ClassesOfShareCapitalAxis" xlink:label="ifrs-full_ClassesOfShareCapitalAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfShareCapitalAxis_lbl" xml:lang="en-US" id="id_14165682_3417439_1_1">Classes of share capital [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ClassesOfShareCapitalAxis_lbl" xml:lang="en-US" id="id_14165682_3417439_2_1">Classes of share capital [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfShareCapitalAxis" xlink:to="ifrs-full_ClassesOfShareCapitalAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ClassesOfShareCapitalMember" xlink:label="ifrs-full_ClassesOfShareCapitalMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfShareCapitalMember_lbl" xml:lang="en-US" id="id_14165682_3417180_1_1">Share capital [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ClassesOfShareCapitalMember_lbl" xml:lang="en-US" id="id_14165682_3417180_2_1">Share capital [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfShareCapitalMember" xlink:to="ifrs-full_ClassesOfShareCapitalMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CommercialPaper1Member" xlink:label="tri_CommercialPaper1Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_CommercialPaper1Member_lbl" xml:lang="en-US" id="id_14165682_3479596_3_1">Commercial paper.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CommercialPaper1Member_lbl" xml:lang="en-US" id="id_14165682_3479596_1_1">Commercial Paper 1 [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_CommercialPaper1Member_lbl" xml:lang="en-US" id="id_14165682_3479596_2_1">Commercial paper [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CommercialPaper1Member" xlink:to="tri_CommercialPaper1Member_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CommercialPaperCreditFacilitiesMember" xlink:label="tri_CommercialPaperCreditFacilitiesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_CommercialPaperCreditFacilitiesMember_lbl" xml:lang="en-US" id="id_14165682_3549725_3_1">Commercial paper credit facilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CommercialPaperCreditFacilitiesMember_lbl" xml:lang="en-US" id="id_14165682_3549725_1_1">Commercial paper credit facilities [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_CommercialPaperCreditFacilitiesMember_lbl" xml:lang="en-US" id="id_14165682_3549725_2_1">Commercial paper / credit facilities [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CommercialPaperCreditFacilitiesMember" xlink:to="tri_CommercialPaperCreditFacilitiesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CommercialPapersIssued" xlink:label="ifrs-full_CommercialPapersIssued"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CommercialPapersIssued_lbl" xml:lang="en-US" id="id_14165682_3417843_1_1">Commercial papers issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CommercialPapersIssued_lbl" xml:lang="en-US" id="id_14165682_3417843_2_1">Commercial paper</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_CommercialPapersIssued_lbl" xml:lang="en-US" id="id_14165682_3417843_12_1">Commercial papers issued</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CommercialPapersIssued" xlink:to="ifrs-full_CommercialPapersIssued_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CommitmentAndContingenciesAbstract" xlink:label="tri_CommitmentAndContingenciesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_CommitmentAndContingenciesAbstract_lbl" xml:lang="en-US" id="id_14165682_3431391_3_1">Commitment and contingencies.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CommitmentAndContingenciesAbstract_lbl" xml:lang="en-US" id="id_14165682_3431391_1_1">Commitment And Contingencies [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_CommitmentAndContingenciesAbstract_lbl" xml:lang="en-US" id="id_14165682_3431391_2_1">Commitment and contingencies [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CommitmentAndContingenciesAbstract" xlink:to="tri_CommitmentAndContingenciesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CommodityPriceRiskMember" xlink:label="ifrs-full_CommodityPriceRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CommodityPriceRiskMember_lbl" xml:lang="en-US" id="id_14165682_3418059_1_1">Commodity price risk [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CommodityPriceRiskMember_lbl" xml:lang="en-US" id="id_14165682_3418059_2_1">Commodity Price Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CommodityPriceRiskMember" xlink:to="ifrs-full_CommodityPriceRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CommonShareholdersAbstract" xlink:label="tri_CommonShareholdersAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_CommonShareholdersAbstract_lbl" xml:lang="en-US" id="id_14165682_3431580_3_1">Common shareholders.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CommonShareholdersAbstract_lbl" xml:lang="en-US" id="id_14165682_3431580_1_1">Common shareholders [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_CommonShareholdersAbstract_lbl" xml:lang="en-US" id="id_14165682_3431580_2_1">Common shareholders:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CommonShareholdersAbstract" xlink:to="tri_CommonShareholdersAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CommunicationExpense" xlink:label="ifrs-full_CommunicationExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CommunicationExpense_lbl" xml:lang="en-US" id="id_14165682_3418062_1_1">Communication expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CommunicationExpense_lbl" xml:lang="en-US" id="id_14165682_3418062_2_1">Telecommunications</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CommunicationExpense" xlink:to="ifrs-full_CommunicationExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ComponentsOfEquityAxis" xlink:label="ifrs-full_ComponentsOfEquityAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComponentsOfEquityAxis_lbl" xml:lang="en-US" id="id_14165682_3417632_1_1">Components of equity [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ComponentsOfEquityAxis_lbl" xml:lang="en-US" id="id_14165682_3417632_2_1">Components of equity [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComponentsOfEquityAxis" xlink:to="ifrs-full_ComponentsOfEquityAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:label="ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract_lbl" xml:lang="en-US" id="id_14165682_3417845_1_1">Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract_lbl" xml:lang="en-US" id="id_14165682_3417845_2_1">Items that have been or may be subsequently reclassified to net earnings:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:to="ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:label="ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract_lbl" xml:lang="en-US" id="id_14165682_3417846_1_1">Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract_lbl" xml:lang="en-US" id="id_14165682_3417846_2_1">Items that will not be reclassified to net earnings:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:to="ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ComprehensiveIncome" xlink:label="ifrs-full_ComprehensiveIncome"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComprehensiveIncome_lbl" xml:lang="en-US" id="id_14165682_3417449_1_1">Comprehensive income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ComprehensiveIncome_lbl" xml:lang="en-US" id="id_14165682_3417449_2_1">Total comprehensive income (loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_ComprehensiveIncome_lbl" xml:lang="en-US" id="id_14165682_3417449_6_1">Total comprehensive income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ComprehensiveIncome_lbl" xml:lang="en-US" id="id_14165682_3417449_12_1">Total comprehensive loss</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComprehensiveIncome" xlink:to="ifrs-full_ComprehensiveIncome_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToAbstract_lbl" xml:lang="en-US" id="id_14165682_3417451_1_1">Comprehensive income attributable to [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToAbstract_lbl" xml:lang="en-US" id="id_14165682_3417451_2_1">Comprehensive income for the period attributable to:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:to="ifrs-full_ComprehensiveIncomeAttributableToAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_lbl" xml:lang="en-US" id="id_14165682_3417452_1_1">Comprehensive income, attributable to non-controlling interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_lbl" xml:lang="en-US" id="id_14165682_3417452_2_1">Non-controlling interests - discontinued operations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:to="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_lbl" xml:lang="en-US" id="id_14165682_3417847_1_1">Comprehensive income, attributable to owners of parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_lbl" xml:lang="en-US" id="id_14165682_3417847_2_1">Common shareholders</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:to="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ComputerEquipmentMember" xlink:label="ifrs-full_ComputerEquipmentMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComputerEquipmentMember_lbl" xml:lang="en-US" id="id_14165682_3417848_1_1">Computer equipment [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ComputerEquipmentMember_lbl" xml:lang="en-US" id="id_14165682_3417848_2_1">Computer hardware [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComputerEquipmentMember" xlink:to="ifrs-full_ComputerEquipmentMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ComputerSoftware" xlink:label="ifrs-full_ComputerSoftware"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComputerSoftware_lbl" xml:lang="en-US" id="id_14165682_3417849_1_1">Computer software</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_ComputerSoftware_lbl" xml:lang="en-US" id="id_14165682_3417849_4_1">Balance at end of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_ComputerSoftware_lbl" xml:lang="en-US" id="id_14165682_3417849_5_1">Balance at beginning of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ComputerSoftware_lbl" xml:lang="en-US" id="id_14165682_3417849_2_1">Computer software</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ComputerSoftware_lbl" xml:lang="en-US" id="id_14165682_3417849_12_1">Computer software, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ComputerSoftware_lbl" xml:lang="en-US" id="id_14165682_3417849_14_1">Computer software, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComputerSoftware" xlink:to="ifrs-full_ComputerSoftware_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ComputerSoftwareComputerHardwareAndOtherPropertyMember" xlink:label="tri_ComputerSoftwareComputerHardwareAndOtherPropertyMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ComputerSoftwareComputerHardwareAndOtherPropertyMember_lbl" xml:lang="en-US" id="id_14165682_3478475_3_1">Computer software, computer hardware and other property.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ComputerSoftwareComputerHardwareAndOtherPropertyMember_lbl" xml:lang="en-US" id="id_14165682_3478475_1_1">Computer Software, Computer Hardware and Other Property [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ComputerSoftwareComputerHardwareAndOtherPropertyMember_lbl" xml:lang="en-US" id="id_14165682_3478475_2_1">Computer Software, Computer Hardware and Other Property [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ComputerSoftwareComputerHardwareAndOtherPropertyMember" xlink:to="tri_ComputerSoftwareComputerHardwareAndOtherPropertyMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ComputerSoftwareMember" xlink:label="ifrs-full_ComputerSoftwareMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComputerSoftwareMember_lbl" xml:lang="en-US" id="id_14165682_3417635_1_1">Computer software [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ComputerSoftwareMember_lbl" xml:lang="en-US" id="id_14165682_3417635_2_1">Computer software [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComputerSoftwareMember" xlink:to="ifrs-full_ComputerSoftwareMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_Contingencies" xlink:label="tri_Contingencies"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_Contingencies_lbl" xml:lang="en-US" id="id_14165682_3443991_3_1">This member stands for possible obligations that arise from past events and whose existence will be confirmed only by the occurrence or non-occurrence of one or more uncertain future events not wholly within the control of the entity; or, present obligations that arise from past events but are not recognised because (a) it is probable that an outflow of resources embodying economic benefits will be required to settle the obligations; or (b) the amount of the obligations cannot be measured with sufficient reliability. It also represents the standard value for the 'Classes of contingent liabilities' axis if no other member is used.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_Contingencies_lbl" xml:lang="en-US" id="id_14165682_3443991_1_1">Contingencies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_Contingencies_lbl" xml:lang="en-US" id="id_14165682_3443991_2_1">Contingencies (note 30)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_Contingencies" xlink:to="tri_Contingencies_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ContingentConsideration" xlink:label="tri_ContingentConsideration"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ContingentConsideration_lbl" xml:lang="en-US" id="id_14165682_3433368_3_1">Contingent consideration.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ContingentConsideration_lbl" xml:lang="en-US" id="id_14165682_3433368_1_1">Contingent consideration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ContingentConsideration_lbl" xml:lang="en-US" id="id_14165682_3433368_2_1">Contingent consideration</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ContingentConsideration" xlink:to="tri_ContingentConsideration_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ContingentConsiderationOne" xlink:label="tri_ContingentConsiderationOne"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ContingentConsiderationOne_lbl" xml:lang="en-US" id="id_14165682_3553444_3_1">Contingent consideration.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ContingentConsiderationOne_lbl" xml:lang="en-US" id="id_14165682_3553444_1_1">Contingent consideration, one</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ContingentConsiderationOne_lbl" xml:lang="en-US" id="id_14165682_3553444_2_1">Contingent consideration payments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ContingentConsiderationOne" xlink:to="tri_ContingentConsiderationOne_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ContinuingAndDiscontinuedOperationsAxis" xlink:label="ifrs-full_ContinuingAndDiscontinuedOperationsAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ContinuingAndDiscontinuedOperationsAxis_lbl" xml:lang="en-US" id="id_14165682_3418080_1_1">Continuing and discontinued operations [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ContinuingAndDiscontinuedOperationsAxis_lbl" xml:lang="en-US" id="id_14165682_3418080_2_1">Continuing and discontinued operations [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ContinuingAndDiscontinuedOperationsAxis" xlink:to="ifrs-full_ContinuingAndDiscontinuedOperationsAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ContinuingOperations1Member" xlink:label="tri_ContinuingOperations1Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ContinuingOperations1Member_lbl" xml:lang="en-US" id="id_14165682_3537329_3_1">Continuing Operations1.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ContinuingOperations1Member_lbl" xml:lang="en-US" id="id_14165682_3537329_1_1">Continuing Operations1[member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ContinuingOperations1Member_lbl" xml:lang="en-US" id="id_14165682_3537329_2_1">Continuing Operations [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ContinuingOperations1Member" xlink:to="tri_ContinuingOperations1Member_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ContinuingOperationsMember" xlink:label="ifrs-full_ContinuingOperationsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ContinuingOperationsMember_lbl" xml:lang="en-US" id="id_14165682_3418082_1_1">Continuing operations [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ContinuingOperationsMember_lbl" xml:lang="en-US" id="id_14165682_3418082_2_1">Continuing operations [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ContinuingOperationsMember" xlink:to="ifrs-full_ContinuingOperationsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ContractLiabilities" xlink:label="ifrs-full_ContractLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ContractLiabilities_lbl" xml:lang="en-US" id="id_14165682_3417870_1_1">Contract liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ContractLiabilities_lbl" xml:lang="en-US" id="id_14165682_3417870_2_1">Deferred revenue, beginning of period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ContractLiabilities" xlink:to="ifrs-full_ContractLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset" xlink:label="ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3418086_1_1">Contributions to plan by employer, net defined benefit liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3418086_2_1">Employer contribution to defined benefit plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3418086_14_1">Contributions by employer</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset" xlink:to="ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ContributionsToPlanByPlanParticipantsNetDefinedBenefitLiabilityAsset" xlink:label="ifrs-full_ContributionsToPlanByPlanParticipantsNetDefinedBenefitLiabilityAsset"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ContributionsToPlanByPlanParticipantsNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3417475_1_1">Contributions to plan by plan participants, net defined benefit liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ContributionsToPlanByPlanParticipantsNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3417475_2_1">Contributions by employees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ContributionsToPlanByPlanParticipantsNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3417475_14_1">Contributions by employees</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ContributionsToPlanByPlanParticipantsNetDefinedBenefitLiabilityAsset" xlink:to="ifrs-full_ContributionsToPlanByPlanParticipantsNetDefinedBenefitLiabilityAsset_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ContributionsToPlanNetDefinedBenefitLiabilityAsset" xlink:label="ifrs-full_ContributionsToPlanNetDefinedBenefitLiabilityAsset"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ContributionsToPlanNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3418087_1_1">Contributions to plan, net defined benefit liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ContributionsToPlanNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3418087_14_1">Contributions paid</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ContributionsToPlanNetDefinedBenefitLiabilityAsset" xlink:to="ifrs-full_ContributionsToPlanNetDefinedBenefitLiabilityAsset_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CorporateAssetsMember" xlink:label="tri_CorporateAssetsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_CorporateAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3480199_3_1">Corporate assets [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CorporateAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3480199_1_1">Corporate assets [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_CorporateAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3480199_2_1">Corporate assets [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CorporateAssetsMember" xlink:to="tri_CorporateAssetsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CorporateBondsMember" xlink:label="tri_CorporateBondsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_CorporateBondsMember_lbl" xml:lang="en-US" id="id_14165682_3479032_3_1">Corporate bond.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CorporateBondsMember_lbl" xml:lang="en-US" id="id_14165682_3479032_1_1">Corporate Bonds [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_CorporateBondsMember_lbl" xml:lang="en-US" id="id_14165682_3479032_2_1">Corporate Bonds [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CorporateBondsMember" xlink:to="tri_CorporateBondsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CorporateCostsMember" xlink:label="tri_CorporateCostsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_CorporateCostsMember_lbl" xml:lang="en-US" id="id_14165682_3545949_3_1">Corporate costs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CorporateCostsMember_lbl" xml:lang="en-US" id="id_14165682_3545949_1_1">Corporate costs [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_CorporateCostsMember_lbl" xml:lang="en-US" id="id_14165682_3545949_2_1">Corporate costs [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CorporateCostsMember" xlink:to="tri_CorporateCostsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CorporatesMember" xlink:label="tri_CorporatesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_CorporatesMember_lbl" xml:lang="en-US" id="id_14165682_3537221_3_1">Corporates [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CorporatesMember_lbl" xml:lang="en-US" id="id_14165682_3537221_1_1">Corporates [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_CorporatesMember_lbl" xml:lang="en-US" id="id_14165682_3537221_2_1">Corporates [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CorporatesMember" xlink:to="tri_CorporatesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CreditFacilityOneMember" xlink:label="tri_CreditFacilityOneMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_CreditFacilityOneMember_lbl" xml:lang="en-US" id="id_14165682_3513459_3_1">Credit facility One [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CreditFacilityOneMember_lbl" xml:lang="en-US" id="id_14165682_3513459_1_1">Credit facility One [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_CreditFacilityOneMember_lbl" xml:lang="en-US" id="id_14165682_3513459_2_1">Credit facility maturing in November 2021 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CreditFacilityOneMember" xlink:to="tri_CreditFacilityOneMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CreditFacilityTwoMember" xlink:label="tri_CreditFacilityTwoMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_CreditFacilityTwoMember_lbl" xml:lang="en-US" id="id_14165682_3513460_3_1">Credit facility Two [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CreditFacilityTwoMember_lbl" xml:lang="en-US" id="id_14165682_3513460_1_1">Credit facility Two [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_CreditFacilityTwoMember_lbl" xml:lang="en-US" id="id_14165682_3513460_2_1">Credit facility that expires on November 21, 2018 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CreditFacilityTwoMember" xlink:to="tri_CreditFacilityTwoMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CreditRatingsOnCommercialPaperDescription" xlink:label="tri_CreditRatingsOnCommercialPaperDescription"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_CreditRatingsOnCommercialPaperDescription_lbl" xml:lang="en-US" id="id_14165682_3469905_3_1">Credit ratings on commercial paper description.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CreditRatingsOnCommercialPaperDescription_lbl" xml:lang="en-US" id="id_14165682_3469905_1_1">Credit Ratings On Commercial Paper Description</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_CreditRatingsOnCommercialPaperDescription_lbl" xml:lang="en-US" id="id_14165682_3469905_2_1">Commercial paper</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CreditRatingsOnCommercialPaperDescription" xlink:to="tri_CreditRatingsOnCommercialPaperDescription_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CreditRatingsOnLongtermDebtDescription" xlink:label="tri_CreditRatingsOnLongtermDebtDescription"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_CreditRatingsOnLongtermDebtDescription_lbl" xml:lang="en-US" id="id_14165682_3469906_3_1">Credit ratings on long-term debt description.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CreditRatingsOnLongtermDebtDescription_lbl" xml:lang="en-US" id="id_14165682_3469906_1_1">Credit Ratings On Long-Term Debt Description</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_CreditRatingsOnLongtermDebtDescription_lbl" xml:lang="en-US" id="id_14165682_3469906_2_1">Long-term debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CreditRatingsOnLongtermDebtDescription" xlink:to="tri_CreditRatingsOnLongtermDebtDescription_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CreditRatingsTrendDescription" xlink:label="tri_CreditRatingsTrendDescription"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_CreditRatingsTrendDescription_lbl" xml:lang="en-US" id="id_14165682_3469904_3_1">Outlook for increase or decrease in credit rating.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CreditRatingsTrendDescription_lbl" xml:lang="en-US" id="id_14165682_3469904_1_1">Credit Ratings Trend Description</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_CreditRatingsTrendDescription_lbl" xml:lang="en-US" id="id_14165682_3469904_2_1">Trend/Outlook</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CreditRatingsTrendDescription" xlink:to="tri_CreditRatingsTrendDescription_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CreditRiskMember" xlink:label="ifrs-full_CreditRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CreditRiskMember_lbl" xml:lang="en-US" id="id_14165682_3418098_1_1">Credit risk [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CreditRiskMember_lbl" xml:lang="en-US" id="id_14165682_3418098_2_1">Credit risk [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CreditRiskMember" xlink:to="ifrs-full_CreditRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CrosscurrencyInterestRateSwapsMember" xlink:label="tri_CrosscurrencyInterestRateSwapsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_CrosscurrencyInterestRateSwapsMember_lbl" xml:lang="en-US" id="id_14165682_3509190_3_1">Cross-currency interest rate swaps.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CrosscurrencyInterestRateSwapsMember_lbl" xml:lang="en-US" id="id_14165682_3509190_1_1">Cross-Currency Interest Rate Swaps [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_CrosscurrencyInterestRateSwapsMember_lbl" xml:lang="en-US" id="id_14165682_3509190_2_1">Cross-currency interest rate swaps [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CrosscurrencyInterestRateSwapsMember" xlink:to="tri_CrosscurrencyInterestRateSwapsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CurrencyAndInterestRatePaid" xlink:label="tri_CurrencyAndInterestRatePaid"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_CurrencyAndInterestRatePaid_lbl" xml:lang="en-US" id="id_14165682_3469891_3_1">Currency and interest rate paid.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CurrencyAndInterestRatePaid_lbl" xml:lang="en-US" id="id_14165682_3469891_1_1">Currency and interest rate paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_CurrencyAndInterestRatePaid_lbl" xml:lang="en-US" id="id_14165682_3469891_2_1">Currency paid</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CurrencyAndInterestRatePaid" xlink:to="tri_CurrencyAndInterestRatePaid_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_CurrencyAndInterestRateReceived" xlink:label="tri_CurrencyAndInterestRateReceived"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_CurrencyAndInterestRateReceived_lbl" xml:lang="en-US" id="id_14165682_3469890_3_1">Currency and interest rate received.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_CurrencyAndInterestRateReceived_lbl" xml:lang="en-US" id="id_14165682_3469890_1_1">Currency and interest rate received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_CurrencyAndInterestRateReceived_lbl" xml:lang="en-US" id="id_14165682_3469890_2_1">Currency received</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_CurrencyAndInterestRateReceived" xlink:to="tri_CurrencyAndInterestRateReceived_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_CurrencyAxis" xlink:label="srt_CurrencyAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_CurrencyAxis_lbl" xml:lang="en-US" id="id_14165682_3418104_1_1">Currency [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="srt_CurrencyAxis_lbl" xml:lang="en-US" id="id_14165682_3418104_2_1">Currency [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_CurrencyAxis" xlink:to="srt_CurrencyAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CurrencyRiskMember" xlink:label="ifrs-full_CurrencyRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrencyRiskMember_lbl" xml:lang="en-US" id="id_14165682_3417893_1_1">Currency risk [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrencyRiskMember_lbl" xml:lang="en-US" id="id_14165682_3417893_2_1">Currency risk [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrencyRiskMember" xlink:to="ifrs-full_CurrencyRiskMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentAccruedExpensesAndOtherCurrentLiabilities_lbl" xml:lang="en-US" id="id_14165682_3417497_1_1">Current accrued expenses and other current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentAccruedExpensesAndOtherCurrentLiabilities_lbl" xml:lang="en-US" id="id_14165682_3417497_2_1">Payables, accruals and provisions</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentAccruedExpensesAndOtherCurrentLiabilities" xlink:to="ifrs-full_CurrentAccruedExpensesAndOtherCurrentLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CurrentAssets" xlink:label="ifrs-full_CurrentAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentAssets_lbl" xml:lang="en-US" id="id_14165682_3418106_1_1">Current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentAssets_lbl" xml:lang="en-US" id="id_14165682_3418106_2_1">Current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CurrentAssets_lbl" xml:lang="en-US" id="id_14165682_3418106_6_1">Current assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentAssets" xlink:to="ifrs-full_CurrentAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CurrentAssetsRecognisedAsOfAcquisitionDate" xlink:label="ifrs-full_CurrentAssetsRecognisedAsOfAcquisitionDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentAssetsRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3417500_1_1">Current assets recognised as of acquisition date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CurrentAssetsRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3417500_6_1">Current assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentAssetsRecognisedAsOfAcquisitionDate" xlink:to="ifrs-full_CurrentAssetsRecognisedAsOfAcquisitionDate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:label="ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings_lbl" xml:lang="en-US" id="id_14165682_3417691_1_1">Current borrowings and current portion of non-current borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings_lbl" xml:lang="en-US" id="id_14165682_3417691_2_1">Current indebtedness</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings_lbl" xml:lang="en-US" id="id_14165682_3417691_12_1">Current portion</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:to="ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:label="ifrs-full_CurrentDerivativeFinancialLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentDerivativeFinancialLiabilities_lbl" xml:lang="en-US" id="id_14165682_3417501_1_1">Current derivative financial liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentDerivativeFinancialLiabilities_lbl" xml:lang="en-US" id="id_14165682_3417501_2_1">Derivative instrument liability, current portion</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:to="ifrs-full_CurrentDerivativeFinancialLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CurrentFinancialAssets" xlink:label="ifrs-full_CurrentFinancialAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3417901_1_1">Current financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3417901_2_1">Other financial assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentFinancialAssets" xlink:to="ifrs-full_CurrentFinancialAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="dei_CurrentFiscalYearEndDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xml:lang="en-US" id="id_14165682_3417510_1_1">Current Fiscal Year End Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xml:lang="en-US" id="id_14165682_3417510_2_1">Current Fiscal Year End Date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CurrentFiscalYearEndDate" xlink:to="dei_CurrentFiscalYearEndDate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CurrentLiabilities" xlink:label="ifrs-full_CurrentLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentLiabilities_lbl" xml:lang="en-US" id="id_14165682_3417514_1_1">Current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentLiabilities_lbl" xml:lang="en-US" id="id_14165682_3417514_2_1">Current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CurrentLiabilities_lbl" xml:lang="en-US" id="id_14165682_3417514_6_1">Current liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentLiabilities" xlink:to="ifrs-full_CurrentLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CurrentLiabilitiesRecognisedAsOfAcquisitionDate" xlink:label="ifrs-full_CurrentLiabilitiesRecognisedAsOfAcquisitionDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentLiabilitiesRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3418117_1_1">Current liabilities recognised as of acquisition date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="ifrs-full_CurrentLiabilitiesRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3418117_19_1">Current liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentLiabilitiesRecognisedAsOfAcquisitionDate" xlink:to="ifrs-full_CurrentLiabilitiesRecognisedAsOfAcquisitionDate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CurrentMember" xlink:label="ifrs-full_CurrentMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentMember_lbl" xml:lang="en-US" id="id_14165682_3417515_1_1">Current [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentMember_lbl" xml:lang="en-US" id="id_14165682_3417515_2_1">Current [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentMember" xlink:to="ifrs-full_CurrentMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CurrentPrepaidExpenses" xlink:label="ifrs-full_CurrentPrepaidExpenses"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentPrepaidExpenses_lbl" xml:lang="en-US" id="id_14165682_3417713_1_1">Current prepaid expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentPrepaidExpenses_lbl" xml:lang="en-US" id="id_14165682_3417713_2_1">Prepaid expenses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentPrepaidExpenses" xlink:to="ifrs-full_CurrentPrepaidExpenses_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets" xlink:label="ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets_lbl" xml:lang="en-US" id="id_14165682_3418123_1_1">Current prepayments and other current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets_lbl" xml:lang="en-US" id="id_14165682_3418123_6_1">Prepaid expenses and other current assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets" xlink:to="ifrs-full_CurrentPrepaymentsAndOtherCurrentAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CurrentProvisions" xlink:label="ifrs-full_CurrentProvisions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentProvisions_lbl" xml:lang="en-US" id="id_14165682_3417520_1_1">Current provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentProvisions_lbl" xml:lang="en-US" id="id_14165682_3417520_2_1">Less: short-term provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_CurrentProvisions_lbl" xml:lang="en-US" id="id_14165682_3417520_12_1">Provisions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentProvisions" xlink:to="ifrs-full_CurrentProvisions_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset" xlink:label="ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3417527_1_1">Current service cost, net defined benefit liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3417527_2_1">Current service cost</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset" xlink:to="ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CurrentTaxAssets" xlink:label="ifrs-full_CurrentTaxAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentTaxAssets_lbl" xml:lang="en-US" id="id_14165682_3417718_1_1">Current tax assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentTaxAssets_lbl" xml:lang="en-US" id="id_14165682_3417718_2_1">Current tax assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentTaxAssets" xlink:to="ifrs-full_CurrentTaxAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CurrentTaxAssetsNoncurrent" xlink:label="ifrs-full_CurrentTaxAssetsNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentTaxAssetsNoncurrent_lbl" xml:lang="en-US" id="id_14165682_3418129_1_1">Current tax assets, non-current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentTaxAssetsNoncurrent_lbl" xml:lang="en-US" id="id_14165682_3418129_2_1">Non-current tax assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentTaxAssetsNoncurrent" xlink:to="ifrs-full_CurrentTaxAssetsNoncurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CurrentTaxExpenseIncome" xlink:label="ifrs-full_CurrentTaxExpenseIncome"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentTaxExpenseIncome_lbl" xml:lang="en-US" id="id_14165682_3417916_1_1">Current tax expense (income)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentTaxExpenseIncome_lbl" xml:lang="en-US" id="id_14165682_3417916_2_1">Current tax expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentTaxExpenseIncome" xlink:to="ifrs-full_CurrentTaxExpenseIncome_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CurrentTaxLiabilities" xlink:label="ifrs-full_CurrentTaxLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentTaxLiabilities_lbl" xml:lang="en-US" id="id_14165682_3417918_1_1">Current tax liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentTaxLiabilities_lbl" xml:lang="en-US" id="id_14165682_3417918_2_1">Current taxes payable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentTaxLiabilities" xlink:to="ifrs-full_CurrentTaxLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CurrentTaxRelatingToItemsChargedOrCreditedDirectlyToEquity" xlink:label="ifrs-full_CurrentTaxRelatingToItemsChargedOrCreditedDirectlyToEquity"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentTaxRelatingToItemsChargedOrCreditedDirectlyToEquity_lbl" xml:lang="en-US" id="id_14165682_3418131_1_1">Current tax relating to items credited (charged) directly to equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CurrentTaxRelatingToItemsChargedOrCreditedDirectlyToEquity_lbl" xml:lang="en-US" id="id_14165682_3418131_2_1">Current tax benefit on share-based payments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentTaxRelatingToItemsChargedOrCreditedDirectlyToEquity" xlink:to="ifrs-full_CurrentTaxRelatingToItemsChargedOrCreditedDirectlyToEquity_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_CustomerrelatedIntangibleAssetsMember" xlink:label="ifrs-full_CustomerrelatedIntangibleAssetsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CustomerrelatedIntangibleAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3417722_1_1">Customer-related intangible assets [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_CustomerrelatedIntangibleAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3417722_2_1">Customer relationships [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CustomerrelatedIntangibleAssetsMember" xlink:to="ifrs-full_CustomerrelatedIntangibleAssetsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DataExpenses" xlink:label="tri_DataExpenses"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DataExpenses_lbl" xml:lang="en-US" id="id_14165682_3453297_3_1">Data expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DataExpenses_lbl" xml:lang="en-US" id="id_14165682_3453297_1_1">Data Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DataExpenses_lbl" xml:lang="en-US" id="id_14165682_3453297_2_1">Data</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DataExpenses" xlink:to="tri_DataExpenses_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DBRSLimitedMember" xlink:label="tri_DBRSLimitedMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DBRSLimitedMember_lbl" xml:lang="en-US" id="id_14165682_3509003_3_1">DBRS limited.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DBRSLimitedMember_lbl" xml:lang="en-US" id="id_14165682_3509003_1_1">DBRS Limited [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DBRSLimitedMember_lbl" xml:lang="en-US" id="id_14165682_3509003_2_1">DBRS Limited [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DBRSLimitedMember" xlink:to="tri_DBRSLimitedMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DebtAfterCurrencyHedgingArrangements" xlink:label="tri_DebtAfterCurrencyHedgingArrangements"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DebtAfterCurrencyHedgingArrangements_lbl" xml:lang="en-US" id="id_14165682_3433352_3_1">Total debt after currency hedging arrangement (swaps).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DebtAfterCurrencyHedgingArrangements_lbl" xml:lang="en-US" id="id_14165682_3433352_1_1">Debt After Currency Hedging Arrangements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DebtAfterCurrencyHedgingArrangements_lbl" xml:lang="en-US" id="id_14165682_3433352_2_1">Borrowings after currency hedging arrangements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="tri_DebtAfterCurrencyHedgingArrangements_lbl" xml:lang="en-US" id="id_14165682_3433352_6_1">Total debt after currency hedging arrangements</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DebtAfterCurrencyHedgingArrangements" xlink:to="tri_DebtAfterCurrencyHedgingArrangements_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DebtAfterSwaps" xlink:label="tri_DebtAfterSwaps"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DebtAfterSwaps_lbl" xml:lang="en-US" id="id_14165682_3433351_3_1">Debt after swaps.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DebtAfterSwaps_lbl" xml:lang="en-US" id="id_14165682_3433351_1_1">Debt After Swaps</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="tri_DebtAfterSwaps_lbl" xml:lang="en-US" id="id_14165682_3433351_6_1">Total debt after swaps</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DebtAfterSwaps" xlink:to="tri_DebtAfterSwaps_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DebtBeforeCurrencyHedgingArrangements" xlink:label="tri_DebtBeforeCurrencyHedgingArrangements"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DebtBeforeCurrencyHedgingArrangements_lbl" xml:lang="en-US" id="id_14165682_3447010_3_1">Total debt before currency hedging arrangement (swaps).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DebtBeforeCurrencyHedgingArrangements_lbl" xml:lang="en-US" id="id_14165682_3447010_1_1">Debt before currency hedging arrangements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DebtBeforeCurrencyHedgingArrangements_lbl" xml:lang="en-US" id="id_14165682_3447010_2_1">Borrowings before currency hedging arrangements</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DebtBeforeCurrencyHedgingArrangements" xlink:to="tri_DebtBeforeCurrencyHedgingArrangements_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DebtInstrumentsAmountContributedToFairValueOfPlanAssets" xlink:label="ifrs-full_DebtInstrumentsAmountContributedToFairValueOfPlanAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DebtInstrumentsAmountContributedToFairValueOfPlanAssets_lbl" xml:lang="en-US" id="id_14165682_3417543_1_1">Debt instruments, amount contributed to fair value of plan assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DebtInstrumentsAmountContributedToFairValueOfPlanAssets_lbl" xml:lang="en-US" id="id_14165682_3417543_2_1">Bonds</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DebtInstrumentsAmountContributedToFairValueOfPlanAssets" xlink:to="ifrs-full_DebtInstrumentsAmountContributedToFairValueOfPlanAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DebtIssuanceCost" xlink:label="tri_DebtIssuanceCost"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DebtIssuanceCost_lbl" xml:lang="en-US" id="id_14165682_3436887_3_1">Costs capitalized at time of debt issuance.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DebtIssuanceCost_lbl" xml:lang="en-US" id="id_14165682_3436887_1_1">Debt Issuance Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="tri_DebtIssuanceCost_lbl" xml:lang="en-US" id="id_14165682_3436887_14_1">Remove transaction costs and discounts included in the carrying value of debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DebtIssuanceCost" xlink:to="tri_DebtIssuanceCost_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DebtRelatedHedgesInflows" xlink:label="tri_DebtRelatedHedgesInflows"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DebtRelatedHedgesInflows_lbl" xml:lang="en-US" id="id_14165682_3433629_3_1">Debt related hedges inflows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DebtRelatedHedgesInflows_lbl" xml:lang="en-US" id="id_14165682_3433629_1_1">Debt Related Hedges Inflows</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="tri_DebtRelatedHedgesInflows_lbl" xml:lang="en-US" id="id_14165682_3433629_14_1">Debt-related hedges inflows</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DebtRelatedHedgesInflows" xlink:to="tri_DebtRelatedHedgesInflows_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DebtRelatedHedgesOutflows" xlink:label="tri_DebtRelatedHedgesOutflows"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DebtRelatedHedgesOutflows_lbl" xml:lang="en-US" id="id_14165682_3433627_3_1">Debt related hedges outflows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DebtRelatedHedgesOutflows_lbl" xml:lang="en-US" id="id_14165682_3433627_1_1">Debt Related Hedges Outflows</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DebtRelatedHedgesOutflows_lbl" xml:lang="en-US" id="id_14165682_3433627_2_1">Debt-related hedges outflows</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DebtRelatedHedgesOutflows" xlink:to="tri_DebtRelatedHedgesOutflows_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DecreaseOfProfitLossFromContinuingOperations" xlink:label="tri_DecreaseOfProfitLossFromContinuingOperations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DecreaseOfProfitLossFromContinuingOperations_lbl" xml:lang="en-US" id="id_14165682_3440362_3_1">Amount of decrease in income tax benefit and in earnings from continuing operations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DecreaseOfProfitLossFromContinuingOperations_lbl" xml:lang="en-US" id="id_14165682_3440362_1_1">Decrease of Profit (Loss) from Continuing Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DecreaseOfProfitLossFromContinuingOperations_lbl" xml:lang="en-US" id="id_14165682_3440362_2_1">Sensitivity to change in effective tax rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DecreaseOfProfitLossFromContinuingOperations" xlink:to="tri_DecreaseOfProfitLossFromContinuingOperations_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DecreaseProfitLossBeforeTax" xlink:label="tri_DecreaseProfitLossBeforeTax"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DecreaseProfitLossBeforeTax_lbl" xml:lang="en-US" id="id_14165682_3460733_3_1">Decrease Profit Loss Before Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DecreaseProfitLossBeforeTax_lbl" xml:lang="en-US" id="id_14165682_3460733_1_1">Decrease Profit Loss Before Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DecreaseProfitLossBeforeTax_lbl" xml:lang="en-US" id="id_14165682_3460733_2_1">Decrease in pre-tax earnings</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DecreaseProfitLossBeforeTax" xlink:to="tri_DecreaseProfitLossBeforeTax_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DecreaseThroughLossOfControlOfSubsidiaryOtherProvisions" xlink:label="ifrs-full_DecreaseThroughLossOfControlOfSubsidiaryOtherProvisions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DecreaseThroughLossOfControlOfSubsidiaryOtherProvisions_lbl" xml:lang="en-US" id="id_14165682_3417936_1_1">Decrease through loss of control of subsidiary, other provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DecreaseThroughLossOfControlOfSubsidiaryOtherProvisions_lbl" xml:lang="en-US" id="id_14165682_3417936_14_1">Disposals of businesses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DecreaseThroughLossOfControlOfSubsidiaryOtherProvisions" xlink:to="ifrs-full_DecreaseThroughLossOfControlOfSubsidiaryOtherProvisions_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DecreaseThroughPerformanceObligationBeingSatisfiedContractLiabilities" xlink:label="ifrs-full_DecreaseThroughPerformanceObligationBeingSatisfiedContractLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DecreaseThroughPerformanceObligationBeingSatisfiedContractLiabilities_lbl" xml:lang="en-US" id="id_14165682_3418152_1_1">Decrease through performance obligation being satisfied, contract liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DecreaseThroughPerformanceObligationBeingSatisfiedContractLiabilities_lbl" xml:lang="en-US" id="id_14165682_3418152_2_1">Revenue recognized in deferred revenue</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DecreaseThroughPerformanceObligationBeingSatisfiedContractLiabilities" xlink:to="ifrs-full_DecreaseThroughPerformanceObligationBeingSatisfiedContractLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DecreaseThroughTransferToLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSaleOtherProvisions" xlink:label="ifrs-full_DecreaseThroughTransferToLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSaleOtherProvisions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DecreaseThroughTransferToLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSaleOtherProvisions_lbl" xml:lang="en-US" id="id_14165682_3417937_1_1">Decrease through transfer to liabilities included in disposal groups classified as held for sale, other provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DecreaseThroughTransferToLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSaleOtherProvisions_lbl" xml:lang="en-US" id="id_14165682_3417937_2_1">Transfer to assets held for sale</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DecreaseThroughTransferToLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSaleOtherProvisions" xlink:to="ifrs-full_DecreaseThroughTransferToLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSaleOtherProvisions_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DeductibleTemporaryDifferencesInvestmentsInSubsidiariesAndOthersMember" xlink:label="tri_DeductibleTemporaryDifferencesInvestmentsInSubsidiariesAndOthersMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DeductibleTemporaryDifferencesInvestmentsInSubsidiariesAndOthersMember_lbl" xml:lang="en-US" id="id_14165682_3497690_3_1">Deductible temporary differences investments in subsidiaries and others.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DeductibleTemporaryDifferencesInvestmentsInSubsidiariesAndOthersMember_lbl" xml:lang="en-US" id="id_14165682_3497690_1_1">Deductible Temporary Differences Investments In Subsidiaries And Others [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DeductibleTemporaryDifferencesInvestmentsInSubsidiariesAndOthersMember_lbl" xml:lang="en-US" id="id_14165682_3497690_2_1">Investment in subsidiaries [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DeductibleTemporaryDifferencesInvestmentsInSubsidiariesAndOthersMember" xlink:to="tri_DeductibleTemporaryDifferencesInvestmentsInSubsidiariesAndOthersMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DeferredAndShareBasedCompensationMember" xlink:label="tri_DeferredAndShareBasedCompensationMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DeferredAndShareBasedCompensationMember_lbl" xml:lang="en-US" id="id_14165682_3509046_3_1">Deferred and Share based compensation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DeferredAndShareBasedCompensationMember_lbl" xml:lang="en-US" id="id_14165682_3509046_1_1">Deferred And Share Based Compensation [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DeferredAndShareBasedCompensationMember_lbl" xml:lang="en-US" id="id_14165682_3509046_2_1">Deferred and share-based compensation [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DeferredAndShareBasedCompensationMember" xlink:to="tri_DeferredAndShareBasedCompensationMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DeferredCommissions1" xlink:label="tri_DeferredCommissions1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DeferredCommissions1_lbl" xml:lang="en-US" id="id_14165682_3447586_3_1">Deferred costs of obtaining a contract with a customer.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DeferredCommissions1_lbl" xml:lang="en-US" id="id_14165682_3447586_1_1">Deferred Commissions1</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DeferredCommissions1_lbl" xml:lang="en-US" id="id_14165682_3447586_2_1">Deferred commissions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DeferredCommissions1" xlink:to="tri_DeferredCommissions1_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DeferredIncome" xlink:label="ifrs-full_DeferredIncome"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DeferredIncome_lbl" xml:lang="en-US" id="id_14165682_3417554_1_1">Deferred income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DeferredIncome_lbl" xml:lang="en-US" id="id_14165682_3417554_2_1">Deferred revenue</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DeferredIncome" xlink:to="ifrs-full_DeferredIncome_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DeferredIncomeClassifiedAsNoncurrent" xlink:label="ifrs-full_DeferredIncomeClassifiedAsNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DeferredIncomeClassifiedAsNoncurrent_lbl" xml:lang="en-US" id="id_14165682_3417758_1_1">Deferred income classified as non-current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DeferredIncomeClassifiedAsNoncurrent_lbl" xml:lang="en-US" id="id_14165682_3417758_2_1">Non-current deferred revenue</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DeferredIncomeClassifiedAsNoncurrent" xlink:to="ifrs-full_DeferredIncomeClassifiedAsNoncurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DeferredIncomeRecognisedAsOfAcquisitionDate" xlink:label="ifrs-full_DeferredIncomeRecognisedAsOfAcquisitionDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DeferredIncomeRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3417759_1_1">Deferred income recognised as of acquisition date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DeferredIncomeRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3417759_14_1">Deferred revenue</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DeferredIncomeRecognisedAsOfAcquisitionDate" xlink:to="ifrs-full_DeferredIncomeRecognisedAsOfAcquisitionDate_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DeferredIncomeTaxExpenseAxis" xlink:label="tri_DeferredIncomeTaxExpenseAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DeferredIncomeTaxExpenseAxis_lbl" xml:lang="en-US" id="id_14165682_3475777_3_1">Deferred Income Tax Expense [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DeferredIncomeTaxExpenseAxis_lbl" xml:lang="en-US" id="id_14165682_3475777_1_1">Deferred Income Tax Expense [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DeferredIncomeTaxExpenseAxis_lbl" xml:lang="en-US" id="id_14165682_3475777_2_1">Deferred Income Tax Expense [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DeferredIncomeTaxExpenseAxis" xlink:to="tri_DeferredIncomeTaxExpenseAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DeferredIncomeTaxExpenseDomain" xlink:label="tri_DeferredIncomeTaxExpenseDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DeferredIncomeTaxExpenseDomain_lbl" xml:lang="en-US" id="id_14165682_3513827_3_1">Deferred Income Tax Expense [domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DeferredIncomeTaxExpenseDomain_lbl" xml:lang="en-US" id="id_14165682_3513827_1_1">Deferred Income Tax Expense [domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DeferredIncomeTaxExpenseDomain_lbl" xml:lang="en-US" id="id_14165682_3513827_2_1">Deferred Income Tax Expense [domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DeferredIncomeTaxExpenseDomain" xlink:to="tri_DeferredIncomeTaxExpenseDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DeferredTaxAssets" xlink:label="ifrs-full_DeferredTaxAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DeferredTaxAssets_lbl" xml:lang="en-US" id="id_14165682_3417555_1_1">Deferred tax assets</label>
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    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DeferredTaxAssetsAbstract" xlink:label="tri_DeferredTaxAssetsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DeferredTaxAssetsAbstract_lbl" xml:lang="en-US" id="id_14165682_3431502_3_1">Deferred tax assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DeferredTaxAssetsAbstract_lbl" xml:lang="en-US" id="id_14165682_3431502_1_1">Deferred tax assets [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DeferredTaxAssetsAbstract_lbl" xml:lang="en-US" id="id_14165682_3431502_2_1">Deferred tax assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DeferredTaxAssetsAbstract" xlink:to="tri_DeferredTaxAssetsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract" xlink:label="ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract_lbl" xml:lang="en-US" id="id_14165682_3418156_1_1">Deferred tax assets and liabilities [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract_lbl" xml:lang="en-US" id="id_14165682_3418156_2_1">Deferred tax assets and liabilities [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract" xlink:to="ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DeferredTaxAssetsAndLiabilitiesLineItems" xlink:label="tri_DeferredTaxAssetsAndLiabilitiesLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DeferredTaxAssetsAndLiabilitiesLineItems_lbl" xml:lang="en-US" id="id_14165682_3431515_3_1">Deferred tax assets and liabilities line items.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DeferredTaxAssetsAndLiabilitiesLineItems_lbl" xml:lang="en-US" id="id_14165682_3431515_1_1">Deferred Tax Assets And Liabilities [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DeferredTaxAssetsAndLiabilitiesLineItems_lbl" xml:lang="en-US" id="id_14165682_3431515_2_1">Deferred Tax Assets and Liabilities [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DeferredTaxAssetsAndLiabilitiesLineItems" xlink:to="tri_DeferredTaxAssetsAndLiabilitiesLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DeferredTaxAssetsAndLiabilitiesTable" xlink:label="tri_DeferredTaxAssetsAndLiabilitiesTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DeferredTaxAssetsAndLiabilitiesTable_lbl" xml:lang="en-US" id="id_14165682_3474488_3_1">Deferred tax assets and liabilities table.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DeferredTaxAssetsAndLiabilitiesTable_lbl" xml:lang="en-US" id="id_14165682_3474488_1_1">Deferred Tax Assets And Liabilities [table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DeferredTaxAssetsAndLiabilitiesTable_lbl" xml:lang="en-US" id="id_14165682_3474488_2_1">Deferred Tax Assets And Liabilities [table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DeferredTaxAssetsAndLiabilitiesTable" xlink:to="tri_DeferredTaxAssetsAndLiabilitiesTable_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DeferredTaxAssetsCarryForwardLosses" xlink:label="tri_DeferredTaxAssetsCarryForwardLosses"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DeferredTaxAssetsCarryForwardLosses_lbl" xml:lang="en-US" id="id_14165682_3460744_3_1">Recognized deferred tax assets associated with carry forward losses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DeferredTaxAssetsCarryForwardLosses_lbl" xml:lang="en-US" id="id_14165682_3460744_1_1">Deferred Tax Assets Carry Forward Losses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="tri_DeferredTaxAssetsCarryForwardLosses_lbl" xml:lang="en-US" id="id_14165682_3460744_6_1">Net Deferred Tax Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DeferredTaxAssetsCarryForwardLosses" xlink:to="tri_DeferredTaxAssetsCarryForwardLosses_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DeferredTaxAssetsGross1" xlink:label="tri_DeferredTaxAssetsGross1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DeferredTaxAssetsGross1_lbl" xml:lang="en-US" id="id_14165682_3446470_3_1">Deferred tax assets, gross.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DeferredTaxAssetsGross1_lbl" xml:lang="en-US" id="id_14165682_3446470_1_1">Deferred tax assets, Gross1</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="tri_DeferredTaxAssetsGross1_lbl" xml:lang="en-US" id="id_14165682_3446470_4_1">Ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="tri_DeferredTaxAssetsGross1_lbl" xml:lang="en-US" id="id_14165682_3446470_5_1">Beginning balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="tri_DeferredTaxAssetsGross1_lbl" xml:lang="en-US" id="id_14165682_3446470_6_1">Total deferred tax assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DeferredTaxAssetsGross1" xlink:to="tri_DeferredTaxAssetsGross1_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DeferredTaxAssetsMember" xlink:label="tri_DeferredTaxAssetsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DeferredTaxAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3509977_3_1">Deferred Tax Assets [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DeferredTaxAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3509977_1_1">Deferred Tax Assets [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DeferredTaxAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3509977_2_1">Deferred Tax Assets [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DeferredTaxAssetsMember" xlink:to="tri_DeferredTaxAssetsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DeferredTaxAssetsToBeRecoveredAfterMoreThan12Months" xlink:label="tri_DeferredTaxAssetsToBeRecoveredAfterMoreThan12Months"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DeferredTaxAssetsToBeRecoveredAfterMoreThan12Months_lbl" xml:lang="en-US" id="id_14165682_3445062_3_1">Deferred tax assets to be recovered after more than 12 months.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DeferredTaxAssetsToBeRecoveredAfterMoreThan12Months_lbl" xml:lang="en-US" id="id_14165682_3445062_1_1">Deferred Tax Assets To Be Recovered After More Than 12 Months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DeferredTaxAssetsToBeRecoveredAfterMoreThan12Months_lbl" xml:lang="en-US" id="id_14165682_3445062_2_1">Deferred tax assets to be recovered after more than 12 months</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DeferredTaxAssetsToBeRecoveredAfterMoreThan12Months" xlink:to="tri_DeferredTaxAssetsToBeRecoveredAfterMoreThan12Months_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DeferredTaxAssetsToBeRecoveredWithin12Months" xlink:label="tri_DeferredTaxAssetsToBeRecoveredWithin12Months"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DeferredTaxAssetsToBeRecoveredWithin12Months_lbl" xml:lang="en-US" id="id_14165682_3445059_3_1">Deferred tax assets to be recovered within 12 months.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DeferredTaxAssetsToBeRecoveredWithin12Months_lbl" xml:lang="en-US" id="id_14165682_3445059_1_1">Deferred Tax Assets To Be Recovered Within 12 Months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DeferredTaxAssetsToBeRecoveredWithin12Months_lbl" xml:lang="en-US" id="id_14165682_3445059_2_1">Deferred tax assets to be recovered within 12 months</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DeferredTaxAssetsToBeRecoveredWithin12Months" xlink:to="tri_DeferredTaxAssetsToBeRecoveredWithin12Months_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DeferredTaxExpenseIncome" xlink:label="ifrs-full_DeferredTaxExpenseIncome"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DeferredTaxExpenseIncome_lbl" xml:lang="en-US" id="id_14165682_3417938_1_1">Deferred tax expense (income)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DeferredTaxExpenseIncome_lbl" xml:lang="en-US" id="id_14165682_3417938_2_1">Deferred tax benefit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DeferredTaxExpenseIncome_lbl" xml:lang="en-US" id="id_14165682_3417938_14_1">Deferred tax benefit</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DeferredTaxExpenseIncome" xlink:to="ifrs-full_DeferredTaxExpenseIncome_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:label="ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss_lbl" xml:lang="en-US" id="id_14165682_3418158_1_1">Deferred tax expense (income) recognised in profit or loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss_lbl" xml:lang="en-US" id="id_14165682_3418158_2_1">Benefit (expense) to income statement</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:to="ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DeferredTaxLiabilities" xlink:label="ifrs-full_DeferredTaxLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DeferredTaxLiabilities_lbl" xml:lang="en-US" id="id_14165682_3417558_1_1">Deferred tax liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DeferredTaxLiabilities_lbl" xml:lang="en-US" id="id_14165682_3417558_2_1">Deferred tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DeferredTaxLiabilities_lbl" xml:lang="en-US" id="id_14165682_3417558_12_1">Deferred tax liability</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DeferredTaxLiabilities" xlink:to="ifrs-full_DeferredTaxLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DeferredTaxLiabilities1Abstract" xlink:label="tri_DeferredTaxLiabilities1Abstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DeferredTaxLiabilities1Abstract_lbl" xml:lang="en-US" id="id_14165682_3426256_3_1">Deferred tax liabilities 1.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DeferredTaxLiabilities1Abstract_lbl" xml:lang="en-US" id="id_14165682_3426256_1_1">Deferred Tax Liabilities 1 [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DeferredTaxLiabilities1Abstract_lbl" xml:lang="en-US" id="id_14165682_3426256_2_1">Deferred tax liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DeferredTaxLiabilities1Abstract" xlink:to="tri_DeferredTaxLiabilities1Abstract_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DeferredTaxLiabilitiesMember" xlink:label="tri_DeferredTaxLiabilitiesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DeferredTaxLiabilitiesMember_lbl" xml:lang="en-US" id="id_14165682_3480254_3_1">Deferred Tax Liabilities [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DeferredTaxLiabilitiesMember_lbl" xml:lang="en-US" id="id_14165682_3480254_1_1">Deferred Tax Liabilities [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DeferredTaxLiabilitiesMember_lbl" xml:lang="en-US" id="id_14165682_3480254_2_1">Deferred Tax Liabilities [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DeferredTaxLiabilitiesMember" xlink:to="tri_DeferredTaxLiabilitiesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DeferredTaxLiabilitiesToBeRecoveredAfterMoreThan12Months" xlink:label="tri_DeferredTaxLiabilitiesToBeRecoveredAfterMoreThan12Months"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DeferredTaxLiabilitiesToBeRecoveredAfterMoreThan12Months_lbl" xml:lang="en-US" id="id_14165682_3445061_3_1">Deferred tax liabilities to be recovered after more than 12 months.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DeferredTaxLiabilitiesToBeRecoveredAfterMoreThan12Months_lbl" xml:lang="en-US" id="id_14165682_3445061_1_1">Deferred Tax Liabilities To Be Recovered After More Than 12 Months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DeferredTaxLiabilitiesToBeRecoveredAfterMoreThan12Months_lbl" xml:lang="en-US" id="id_14165682_3445061_2_1">Deferred tax liabilities to be recovered after more than 12 months</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DeferredTaxLiabilitiesToBeRecoveredAfterMoreThan12Months" xlink:to="tri_DeferredTaxLiabilitiesToBeRecoveredAfterMoreThan12Months_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DeferredTaxLiabilitiesToBeRecoveredWithin12Months" xlink:label="tri_DeferredTaxLiabilitiesToBeRecoveredWithin12Months"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DeferredTaxLiabilitiesToBeRecoveredWithin12Months_lbl" xml:lang="en-US" id="id_14165682_3445060_3_1">Deferred tax liabilities to be recovered within 12 months.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DeferredTaxLiabilitiesToBeRecoveredWithin12Months_lbl" xml:lang="en-US" id="id_14165682_3445060_1_1">Deferred Tax Liabilities To Be Recovered Within 12 Months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DeferredTaxLiabilitiesToBeRecoveredWithin12Months_lbl" xml:lang="en-US" id="id_14165682_3445060_2_1">Deferred tax liabilities to be recovered within 12 months</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DeferredTaxLiabilitiesToBeRecoveredWithin12Months" xlink:to="tri_DeferredTaxLiabilitiesToBeRecoveredWithin12Months_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DeferredTaxLiabilityGross" xlink:label="tri_DeferredTaxLiabilityGross"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DeferredTaxLiabilityGross_lbl" xml:lang="en-US" id="id_14165682_3446471_3_1">Deferred tax liability, gross.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DeferredTaxLiabilityGross_lbl" xml:lang="en-US" id="id_14165682_3446471_1_1">Deferred tax liability, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="tri_DeferredTaxLiabilityGross_lbl" xml:lang="en-US" id="id_14165682_3446471_4_1">Ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="tri_DeferredTaxLiabilityGross_lbl" xml:lang="en-US" id="id_14165682_3446471_5_1">Beginning balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="tri_DeferredTaxLiabilityGross_lbl" xml:lang="en-US" id="id_14165682_3446471_6_1">Total deferred tax liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DeferredTaxLiabilityGross" xlink:to="tri_DeferredTaxLiabilityGross_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DeferredTaxLiabilityOnSaleOfAssets" xlink:label="tri_DeferredTaxLiabilityOnSaleOfAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DeferredTaxLiabilityOnSaleOfAssets_lbl" xml:lang="en-US" id="id_14165682_3440073_3_1">Deferred tax liability from intercompany sale of certain technology and content assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DeferredTaxLiabilityOnSaleOfAssets_lbl" xml:lang="en-US" id="id_14165682_3440073_1_1">Deferred tax liability on sale of assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DeferredTaxLiabilityOnSaleOfAssets_lbl" xml:lang="en-US" id="id_14165682_3440073_2_1">Deferred tax liability on sale of assets</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity" xlink:label="ifrs-full_DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DefinedBenefitObligationAtPresentValue_lbl" xml:lang="en-US" id="id_14165682_3417562_1_1">Defined benefit obligation, at present value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DefinedBenefitObligationAtPresentValue_lbl" xml:lang="en-US" id="id_14165682_3417562_14_1">Present value of plan obligations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DefinedBenefitObligationAtPresentValue" xlink:to="ifrs-full_DefinedBenefitObligationAtPresentValue_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DefinedBenefitPlanMember" xlink:label="tri_DefinedBenefitPlanMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DefinedBenefitPlanMember_lbl" xml:lang="en-US" id="id_14165682_3478958_3_1">Defined benefit plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DefinedBenefitPlanMember_lbl" xml:lang="en-US" id="id_14165682_3478958_1_1">Defined benefit plan [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DefinedBenefitPlanMember_lbl" xml:lang="en-US" id="id_14165682_3478958_2_1">Defined Benefit Plan [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DefinedBenefitPlanMember" xlink:to="tri_DefinedBenefitPlanMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DefinedBenefitPlansAdditionalInformationAxis" xlink:label="tri_DefinedBenefitPlansAdditionalInformationAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DefinedBenefitPlansAdditionalInformationAxis_lbl" xml:lang="en-US" id="id_14165682_3475763_3_1">Defined Benefit Plans Additional Information [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DefinedBenefitPlansAdditionalInformationAxis_lbl" xml:lang="en-US" id="id_14165682_3475763_1_1">Defined Benefit Plans Additional Information [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DefinedBenefitPlansAdditionalInformationAxis_lbl" xml:lang="en-US" id="id_14165682_3475763_2_1">Defined Benefit Plans Additional Information [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DefinedBenefitPlansAdditionalInformationAxis" xlink:to="tri_DefinedBenefitPlansAdditionalInformationAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DefinedBenefitPlansAdditionalInformationDomain" xlink:label="tri_DefinedBenefitPlansAdditionalInformationDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DefinedBenefitPlansAdditionalInformationDomain_lbl" xml:lang="en-US" id="id_14165682_3514605_3_1">Defined Benefit Plans Additional Information [domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DefinedBenefitPlansAdditionalInformationDomain_lbl" xml:lang="en-US" id="id_14165682_3514605_1_1">Defined Benefit Plans Additional Information [domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DefinedBenefitPlansAdditionalInformationDomain_lbl" xml:lang="en-US" id="id_14165682_3514605_2_1">Defined Benefit Plans Additional Information [domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DefinedBenefitPlansAdditionalInformationDomain" xlink:to="tri_DefinedBenefitPlansAdditionalInformationDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DefinedBenefitPlansAxis" xlink:label="ifrs-full_DefinedBenefitPlansAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DefinedBenefitPlansAxis_lbl" xml:lang="en-US" id="id_14165682_3417563_1_1">Defined benefit plans [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DefinedBenefitPlansAxis_lbl" xml:lang="en-US" id="id_14165682_3417563_2_1">Defined benefit plans [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DefinedBenefitPlansAxis" xlink:to="ifrs-full_DefinedBenefitPlansAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DefinedBenefitPlansMember" xlink:label="ifrs-full_DefinedBenefitPlansMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DefinedBenefitPlansMember_lbl" xml:lang="en-US" id="id_14165682_3417940_1_1">Defined benefit plans [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DefinedBenefitPlansMember_lbl" xml:lang="en-US" id="id_14165682_3417940_2_1">Defined benefit plans [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DefinedBenefitPlansMember" xlink:to="ifrs-full_DefinedBenefitPlansMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DepreciationExpense" xlink:label="ifrs-full_DepreciationExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DepreciationExpense_lbl" xml:lang="en-US" id="id_14165682_3417567_1_1">Depreciation expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DepreciationExpense_lbl" xml:lang="en-US" id="id_14165682_3417567_14_1">Depreciation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DepreciationExpense" xlink:to="ifrs-full_DepreciationExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:label="ifrs-full_DepreciationPropertyPlantAndEquipment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DepreciationPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_14165682_3417768_1_1">Depreciation, property, plant and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DepreciationPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_14165682_3417768_14_1">Current year depreciation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:to="ifrs-full_DepreciationPropertyPlantAndEquipment_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DerecognitionOfDeferredTaxAssets" xlink:label="tri_DerecognitionOfDeferredTaxAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DerecognitionOfDeferredTaxAssets_lbl" xml:lang="en-US" id="id_14165682_3455830_3_1">Derecognition of deferred tax assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DerecognitionOfDeferredTaxAssets_lbl" xml:lang="en-US" id="id_14165682_3455830_1_1">Derecognition of deferred tax assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="tri_DerecognitionOfDeferredTaxAssets_lbl" xml:lang="en-US" id="id_14165682_3455830_14_1">Unrecognized Deferred Tax Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DerecognitionOfDeferredTaxAssets" xlink:to="tri_DerecognitionOfDeferredTaxAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DerivativeFinancialAssetsMember" xlink:label="tri_DerivativeFinancialAssetsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DerivativeFinancialAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3509188_3_1">Derivative Financial Assets [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DerivativeFinancialAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3509188_1_1">Derivative Financial Assets [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DerivativeFinancialAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3509188_2_1">Derivative financial assets [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DerivativeFinancialAssetsMember" xlink:to="tri_DerivativeFinancialAssetsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DerivativeFinancialAssetsNet" xlink:label="tri_DerivativeFinancialAssetsNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DerivativeFinancialAssetsNet_lbl" xml:lang="en-US" id="id_14165682_3461508_3_1">Derivative financial assets net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DerivativeFinancialAssetsNet_lbl" xml:lang="en-US" id="id_14165682_3461508_1_1">Derivative financial assets net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DerivativeFinancialAssetsNet_lbl" xml:lang="en-US" id="id_14165682_3461508_2_1">Fair value of contracts outstanding, net asset</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DerivativeFinancialAssetsNet" xlink:to="tri_DerivativeFinancialAssetsNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DerivativeFinancialLiabilities" xlink:label="ifrs-full_DerivativeFinancialLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DerivativeFinancialLiabilities_lbl" xml:lang="en-US" id="id_14165682_3418170_1_1">Derivative financial liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="ifrs-full_DerivativeFinancialLiabilities_lbl" xml:lang="en-US" id="id_14165682_3418170_32_1">Swaps</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DerivativeFinancialLiabilities_lbl" xml:lang="en-US" id="id_14165682_3418170_2_1">Derivative instrument liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DerivativeFinancialLiabilities_lbl" xml:lang="en-US" id="id_14165682_3418170_12_1">Fair value of contracts outstanding, liability</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DerivativeFinancialLiabilities" xlink:to="ifrs-full_DerivativeFinancialLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DerivativeFinancialLiabilitiesMember" xlink:label="tri_DerivativeFinancialLiabilitiesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DerivativeFinancialLiabilitiesMember_lbl" xml:lang="en-US" id="id_14165682_3509193_3_1">Derivative financial liabilities [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DerivativeFinancialLiabilitiesMember_lbl" xml:lang="en-US" id="id_14165682_3509193_1_1">Derivative financial liabilities [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DerivativeFinancialLiabilitiesMember_lbl" xml:lang="en-US" id="id_14165682_3509193_2_1">Derivative Financial Liabilities [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DerivativeFinancialLiabilitiesMember" xlink:to="tri_DerivativeFinancialLiabilitiesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DerivativeInstrumentsLiabilitiesMember" xlink:label="tri_DerivativeInstrumentsLiabilitiesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DerivativeInstrumentsLiabilitiesMember_lbl" xml:lang="en-US" id="id_14165682_3494849_3_1">Derivative instruments liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DerivativeInstrumentsLiabilitiesMember_lbl" xml:lang="en-US" id="id_14165682_3494849_1_1">Derivative Instruments Liabilities [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DerivativeInstrumentsLiabilitiesMember_lbl" xml:lang="en-US" id="id_14165682_3494849_2_1">Derivative Instruments Liabilities [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DerivativeInstrumentsLiabilitiesMember" xlink:to="tri_DerivativeInstrumentsLiabilitiesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="invest_DerivativeNotionalAmount"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="invest_DerivativeNotionalAmount_lbl" xml:lang="en-US" id="id_14165682_3417771_1_1">Derivative, Notional Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="invest_DerivativeNotionalAmount_lbl" xml:lang="en-US" id="id_14165682_3417771_2_1">Principal Amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="invest_DerivativeNotionalAmount" xlink:to="invest_DerivativeNotionalAmount_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DerivativesAmountContributedToFairValueOfPlanAssets" xlink:label="ifrs-full_DerivativesAmountContributedToFairValueOfPlanAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DerivativesAmountContributedToFairValueOfPlanAssets_lbl" xml:lang="en-US" id="id_14165682_3417772_1_1">Derivatives, amount contributed to fair value of plan assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DerivativesAmountContributedToFairValueOfPlanAssets_lbl" xml:lang="en-US" id="id_14165682_3417772_2_1">Derivatives</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DerivativesAmountContributedToFairValueOfPlanAssets" xlink:to="ifrs-full_DerivativesAmountContributedToFairValueOfPlanAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DerivativesDesignatedAsFairValueHedges" xlink:label="tri_DerivativesDesignatedAsFairValueHedges"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DerivativesDesignatedAsFairValueHedges_lbl" xml:lang="en-US" id="id_14165682_3433323_3_1">Derivatives designated as fair value hedges.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DerivativesDesignatedAsFairValueHedges_lbl" xml:lang="en-US" id="id_14165682_3433323_1_1">Derivatives Designated As Fair Value Hedges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DerivativesDesignatedAsFairValueHedges_lbl" xml:lang="en-US" id="id_14165682_3433323_2_1">Derivatives designated as Fair Value hedges</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DerivativesDesignatedAsFairValueHedges" xlink:to="tri_DerivativesDesignatedAsFairValueHedges_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DerivativesMember" xlink:label="ifrs-full_DerivativesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DerivativesMember_lbl" xml:lang="en-US" id="id_14165682_3417773_1_1">Derivatives [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DerivativesMember_lbl" xml:lang="en-US" id="id_14165682_3417773_2_1">Derivatives used for hedging [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DerivativesMember" xlink:to="ifrs-full_DerivativesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory_lbl" xml:lang="en-US" id="id_14165682_3417576_1_1">Description of accounting policy for borrowings [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory_lbl" xml:lang="en-US" id="id_14165682_3417576_2_1">Indebtedness</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForBorrowingsExplanatory_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DescriptionOfAccountingPolicyForCriticalAccountingEstimatesAndJudgementsExplanatory" xlink:label="tri_DescriptionOfAccountingPolicyForCriticalAccountingEstimatesAndJudgementsExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DescriptionOfAccountingPolicyForCriticalAccountingEstimatesAndJudgementsExplanatory_lbl" xml:lang="en-US" id="id_14165682_3521318_3_1">Description of critical judgments made in applying accounting policies.</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory"/>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForFinancialAssetsExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForFinancialAssetsExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForFinancialAssetsExplanatory_lbl" xml:lang="en-US" id="id_14165682_3418185_1_1">Description of accounting policy for financial assets [text block]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory"/>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory_lbl" xml:lang="en-US" id="id_14165682_3417959_2_1">Impairment</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_lbl" xml:lang="en-US" id="id_14165682_3417790_1_1">Description of accounting policy for income tax [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_lbl" xml:lang="en-US" id="id_14165682_3417790_2_1">Taxation</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory_lbl" xml:lang="en-US" id="id_14165682_3417962_1_1">Description of accounting policy for intangible assets and goodwill [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory_lbl" xml:lang="en-US" id="id_14165682_3417962_2_1">Intangible assets</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory_lbl" xml:lang="en-US" id="id_14165682_3418190_1_1">Description of accounting policy for leases [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory_lbl" xml:lang="en-US" id="id_14165682_3418190_2_1">Leases</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsExplanatory"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperationsExplanatory_lbl" xml:lang="en-US" id="id_14165682_3417964_2_1">Disposal of long-lived assets and discontinued operations</label>
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    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationExplanatory" xlink:label="tri_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516151_3_1">The disclosure of the basis used for consolidation, including the description of the entity's accounting policy for business combinations and goodwill. [Refer: Business combinations [member]; Goodwill] and description of accounting policy for investment in associates and joint ventures [text block].</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516151_1_1">Description of accounting policy for principles of consolidation [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DescriptionOfAccountingPolicyForPrinciplesOfConsolidationExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516151_2_1">Principles of consolidation</label>
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    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DescriptionOfAccountingPolicyForProfitSharingAndBonusPlansExplanatory" xlink:label="tri_DescriptionOfAccountingPolicyForProfitSharingAndBonusPlansExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DescriptionOfAccountingPolicyForProfitSharingAndBonusPlansExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516089_3_1">Description of accounting policy for profit sharing and bonus plans explanatory.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DescriptionOfAccountingPolicyForProfitSharingAndBonusPlansExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516089_1_1">Description of accounting policy for profit sharing and bonus plans explanatory</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DescriptionOfAccountingPolicyForProfitSharingAndBonusPlansExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516089_2_1">Profit sharing and bonus plans</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory_lbl" xml:lang="en-US" id="id_14165682_3418193_1_1">Description of accounting policy for property, plant and equipment [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory_lbl" xml:lang="en-US" id="id_14165682_3418193_2_1">Computer hardware and other property</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory_lbl" xml:lang="en-US" id="id_14165682_3417590_1_1">Description of accounting policy for provisions [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory_lbl" xml:lang="en-US" id="id_14165682_3417590_2_1">Provisions</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue_lbl" xml:lang="en-US" id="id_14165682_3417965_1_1">Description of accounting policy for recognition of revenue [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue_lbl" xml:lang="en-US" id="id_14165682_3417965_2_1">Revenue recognition</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory_lbl" xml:lang="en-US" id="id_14165682_3417593_1_1">Description of accounting policy for segment reporting [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory_lbl" xml:lang="en-US" id="id_14165682_3417593_2_1">Operating segments</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory_lbl" xml:lang="en-US" id="id_14165682_3417594_2_1">Share-based compensation plans</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForTerminationBenefits" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForTerminationBenefits"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForTerminationBenefits_lbl" xml:lang="en-US" id="id_14165682_3418196_1_1">Description of accounting policy for termination benefits [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForTerminationBenefits_lbl" xml:lang="en-US" id="id_14165682_3418196_2_1">Termination benefits</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory_lbl" xml:lang="en-US" id="id_14165682_3417967_1_1">Description of accounting policy for trade and other payables [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory_lbl" xml:lang="en-US" id="id_14165682_3417967_2_1">Trade payables</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory_lbl"/>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsTable" xlink:label="ifrs-full_DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsTable"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsTable_lbl" xml:lang="en-US" id="id_14165682_3417999_2_1">Disclosure of expected impact of initial application of new standards or interpretations [table]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:label="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted_lbl" xml:lang="en-US" id="id_14165682_3418231_2_1">Volatility factor</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DescriptionOfInitialApplicationOfStandardsOrInterpretations" xlink:label="ifrs-full_DescriptionOfInitialApplicationOfStandardsOrInterpretations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfInitialApplicationOfStandardsOrInterpretations_lbl" xml:lang="en-US" id="id_14165682_3418250_1_1">Disclosure of initial application of standards or interpretations [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfInitialApplicationOfStandardsOrInterpretations_lbl" xml:lang="en-US" id="id_14165682_3418250_2_1">Changes in accounting policies</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DescriptionOfMaximumTermOfOptionsGrantedForSharebasedPaymentArrangement" xlink:label="ifrs-full_DescriptionOfMaximumTermOfOptionsGrantedForSharebasedPaymentArrangement"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfMaximumTermOfOptionsGrantedForSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3418037_1_1">Description of maximum term of options granted for share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfMaximumTermOfOptionsGrantedForSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3418037_2_1">Maximum term of option</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DescriptionOfMethodOfSettlementForSharebasedPaymentArrangement" xlink:label="ifrs-full_DescriptionOfMethodOfSettlementForSharebasedPaymentArrangement"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfMethodOfSettlementForSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3418040_1_1">Description of method of settlement for share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfMethodOfSettlementForSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3418040_2_1">Compensation expense</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DescriptionOfOptionLifeShareOptionsGranted" xlink:label="ifrs-full_DescriptionOfOptionLifeShareOptionsGranted"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfOptionLifeShareOptionsGranted_lbl" xml:lang="en-US" id="id_14165682_3418967_1_1">Option life, share options granted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfOptionLifeShareOptionsGranted_lbl" xml:lang="en-US" id="id_14165682_3418967_2_1">Expected life (in years)</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DescriptionOfOptionPricingModelShareOptionsGranted" xlink:label="ifrs-full_DescriptionOfOptionPricingModelShareOptionsGranted"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DescriptionOfOptionPricingModelShareOptionsGranted_lbl" xml:lang="en-US" id="id_14165682_3418968_2_1">Fair Value Measure</label>
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    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureOfDefinedBenefitObligationsExplanatory" xlink:label="tri_DisclosureOfDefinedBenefitObligationsExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DisclosureOfDefinedBenefitObligationsExplanatory_lbl" xml:lang="en-US" id="id_14165682_3514685_3_1">Details of participant group and geography.</label>
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    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureOfDefinedBenefitPensionPlanExpenseExplantaory" xlink:label="tri_DisclosureOfDefinedBenefitPensionPlanExpenseExplantaory"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DisclosureOfDefinedBenefitPlanExpenseLineItems_lbl" xml:lang="en-US" id="id_14165682_3431307_1_1">Disclosure of defined benefit plan expense [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DisclosureOfDefinedBenefitPlanExpenseLineItems_lbl" xml:lang="en-US" id="id_14165682_3431307_2_1">Disclosure of defined benefit plan expense [line items]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DisclosureOfDetailInformationAboutForwardContractsTable_lbl" xml:lang="en-US" id="id_14165682_3474389_1_1">Disclosure of detail information about forward contracts [table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DisclosureOfDetailInformationAboutForwardContractsTable_lbl" xml:lang="en-US" id="id_14165682_3474389_2_1">Disclosure of detail information about forward contracts [table]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems" xlink:label="ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems_lbl" xml:lang="en-US" id="id_14165682_3418418_1_1">Disclosure of disaggregation of revenue from contracts with customers [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems_lbl" xml:lang="en-US" id="id_14165682_3418418_2_1">Disclosure of disaggregation of revenue from contracts with customers [line items]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable_lbl" xml:lang="en-US" id="id_14165682_3418632_2_1">Disclosure of disaggregation of revenue from contracts with customers [table]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_lbl" xml:lang="en-US" id="id_14165682_3418842_1_1">Disclosure of events after reporting period [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_lbl" xml:lang="en-US" id="id_14165682_3418842_2_1">Subsequent Events</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:to="ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureOfExpenseOrContraexpenseExplanatory" xlink:label="tri_DisclosureOfExpenseOrContraexpenseExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DisclosureOfExpenseOrContraexpenseExplanatory_lbl" xml:lang="en-US" id="id_14165682_3549400_3_1">The disclosure of expense or contra-expense.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DisclosureOfExpenseOrContraexpenseExplanatory_lbl" xml:lang="en-US" id="id_14165682_3549400_1_1">Disclosure of expense or contra-expense [table text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DisclosureOfExpenseOrContraexpenseExplanatory_lbl" xml:lang="en-US" id="id_14165682_3549400_2_1">Summary of Expense or Contra-Expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DisclosureOfExpenseOrContraexpenseExplanatory" xlink:to="tri_DisclosureOfExpenseOrContraexpenseExplanatory_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureOfExpensesAbstract" xlink:label="tri_DisclosureOfExpensesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DisclosureOfExpensesAbstract_lbl" xml:lang="en-US" id="id_14165682_3428983_3_1">Disclosure of expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DisclosureOfExpensesAbstract_lbl" xml:lang="en-US" id="id_14165682_3428983_1_1">Disclosure of expenses [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DisclosureOfExpensesAbstract_lbl" xml:lang="en-US" id="id_14165682_3428983_2_1">Disclosure of expenses [abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DisclosureOfExpensesAbstract" xlink:to="tri_DisclosureOfExpensesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisclosureOfExpensesExplanatory" xlink:label="ifrs-full_DisclosureOfExpensesExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfExpensesExplanatory_lbl" xml:lang="en-US" id="id_14165682_3418424_1_1">Disclosure of expenses [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfExpensesExplanatory_lbl" xml:lang="en-US" id="id_14165682_3418424_2_1">Operating Expenses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfExpensesExplanatory" xlink:to="ifrs-full_DisclosureOfExpensesExplanatory_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureOfExpensesLineItems" xlink:label="tri_DisclosureOfExpensesLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DisclosureOfExpensesLineItems_lbl" xml:lang="en-US" id="id_14165682_3428985_3_1">Line item represents disclosure of expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DisclosureOfExpensesLineItems_lbl" xml:lang="en-US" id="id_14165682_3428985_1_1">Disclosure of expenses [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DisclosureOfExpensesLineItems_lbl" xml:lang="en-US" id="id_14165682_3428985_2_1">Disclosure of expenses [line items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DisclosureOfExpensesLineItems" xlink:to="tri_DisclosureOfExpensesLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureOfExpensesTable" xlink:label="tri_DisclosureOfExpensesTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DisclosureOfExpensesTable_lbl" xml:lang="en-US" id="id_14165682_3473649_3_1">Schedule of disclosure of expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DisclosureOfExpensesTable_lbl" xml:lang="en-US" id="id_14165682_3473649_1_1">Disclosure of expenses [table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DisclosureOfExpensesTable_lbl" xml:lang="en-US" id="id_14165682_3473649_2_1">Disclosure of expenses [table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DisclosureOfExpensesTable" xlink:to="tri_DisclosureOfExpensesTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisclosureOfExternalCreditExposuresExplanatory" xlink:label="ifrs-full_DisclosureOfExternalCreditExposuresExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfExternalCreditExposuresExplanatory_lbl" xml:lang="en-US" id="id_14165682_3419061_1_1">Disclosure of external credit grades [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfExternalCreditExposuresExplanatory_lbl" xml:lang="en-US" id="id_14165682_3419061_2_1">Summary of Credit Ratings</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfExternalCreditExposuresExplanatory" xlink:to="ifrs-full_DisclosureOfExternalCreditExposuresExplanatory_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureOfFairValueGainsAndLossesFromDerivativeFinancialInstrumentsExplanatory" xlink:label="tri_DisclosureOfFairValueGainsAndLossesFromDerivativeFinancialInstrumentsExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DisclosureOfFairValueGainsAndLossesFromDerivativeFinancialInstrumentsExplanatory_lbl" xml:lang="en-US" id="id_14165682_3518084_3_1">Schedule of fair value gains (losses) from derivative financial instruments recognised in profit or loss, or equity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DisclosureOfFairValueGainsAndLossesFromDerivativeFinancialInstrumentsExplanatory_lbl" xml:lang="en-US" id="id_14165682_3518084_1_1">Disclosure of Fair value gains and losses from derivative financial instruments [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DisclosureOfFairValueGainsAndLossesFromDerivativeFinancialInstrumentsExplanatory_lbl" xml:lang="en-US" id="id_14165682_3518084_2_1">Fair Value Gains and Losses from Derivative Financial Instruments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DisclosureOfFairValueGainsAndLossesFromDerivativeFinancialInstrumentsExplanatory" xlink:to="tri_DisclosureOfFairValueGainsAndLossesFromDerivativeFinancialInstrumentsExplanatory_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureOfFairValueHierarchyExplanatory" xlink:label="tri_DisclosureOfFairValueHierarchyExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DisclosureOfFairValueHierarchyExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516872_3_1">Schedule of financial instruments categorized within the fair value hierarchy.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DisclosureOfFairValueHierarchyExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516872_1_1">Disclosure of Fair Value Hierarchy [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DisclosureOfFairValueHierarchyExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516872_2_1">Fair Value Hierarchy</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DisclosureOfFairValueHierarchyExplanatory" xlink:to="tri_DisclosureOfFairValueHierarchyExplanatory_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsAbstract" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsAbstract_lbl" xml:lang="en-US" id="id_14165682_3419063_1_1">Disclosure of fair value measurement of assets [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsAbstract_lbl" xml:lang="en-US" id="id_14165682_3419063_2_1">Disclosure of fair value measurement of assets [abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsAbstract" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_lbl" xml:lang="en-US" id="id_14165682_3418428_1_1">Disclosure of fair value measurement of assets [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_lbl" xml:lang="en-US" id="id_14165682_3418428_2_1">Disclosure of fair value measurement of assets [line items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_lbl" xml:lang="en-US" id="id_14165682_3419064_1_1">Disclosure of fair value measurement of assets [table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_lbl" xml:lang="en-US" id="id_14165682_3419064_2_1">Disclosure of fair value measurement of assets [table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisclosureOfFairValueOfPlanAssetsAbstract" xlink:label="ifrs-full_DisclosureOfFairValueOfPlanAssetsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFairValueOfPlanAssetsAbstract_lbl" xml:lang="en-US" id="id_14165682_3418434_1_1">Disclosure of fair value of plan assets [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFairValueOfPlanAssetsAbstract_lbl" xml:lang="en-US" id="id_14165682_3418434_2_1">Disclosure of fair value of plan assets [abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFairValueOfPlanAssetsAbstract" xlink:to="ifrs-full_DisclosureOfFairValueOfPlanAssetsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisclosureOfFairValueOfPlanAssetsLineItems" xlink:label="ifrs-full_DisclosureOfFairValueOfPlanAssetsLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFairValueOfPlanAssetsLineItems_lbl" xml:lang="en-US" id="id_14165682_3418845_1_1">Disclosure of fair value of plan assets [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFairValueOfPlanAssetsLineItems_lbl" xml:lang="en-US" id="id_14165682_3418845_2_1">Disclosure of fair value of plan assets [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFairValueOfPlanAssetsLineItems" xlink:to="ifrs-full_DisclosureOfFairValueOfPlanAssetsLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisclosureOfFairValueOfPlanAssetsTable" xlink:label="ifrs-full_DisclosureOfFairValueOfPlanAssetsTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFairValueOfPlanAssetsTable_lbl" xml:lang="en-US" id="id_14165682_3418435_1_1">Disclosure of fair value of plan assets [table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFairValueOfPlanAssetsTable_lbl" xml:lang="en-US" id="id_14165682_3418435_2_1">Disclosure of fair value of plan assets [table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFairValueOfPlanAssetsTable" xlink:to="ifrs-full_DisclosureOfFairValueOfPlanAssetsTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisclosureOfFinanceCostExplanatory" xlink:label="ifrs-full_DisclosureOfFinanceCostExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinanceCostExplanatory_lbl" xml:lang="en-US" id="id_14165682_3418847_1_1">Disclosure of finance cost [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFinanceCostExplanatory_lbl" xml:lang="en-US" id="id_14165682_3418847_2_1">Finance Costs, Net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinanceCostExplanatory" xlink:to="ifrs-full_DisclosureOfFinanceCostExplanatory_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureOfFinanceIncomeCostsExplanatory" xlink:label="tri_DisclosureOfFinanceIncomeCostsExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DisclosureOfFinanceIncomeCostsExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516634_3_1">The disclosure of finance (income) cost. [Refer: Finance (income) cost].</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DisclosureOfFinanceIncomeCostsExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516634_1_1">Disclosure Of Finance Income Costs Explanatory</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DisclosureOfFinanceIncomeCostsExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516634_2_1">Components of Finance Costs, Net, Include Other Finance Costs (Income)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DisclosureOfFinanceIncomeCostsExplanatory" xlink:to="tri_DisclosureOfFinanceIncomeCostsExplanatory_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems" xlink:label="ifrs-full_DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems_lbl" xml:lang="en-US" id="id_14165682_3418646_1_1">Disclosure of finance lease and operating lease by lessee [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems_lbl" xml:lang="en-US" id="id_14165682_3418646_2_1">Disclosure of finance lease and operating lease by lessee [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems" xlink:to="ifrs-full_DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureOfFinancialAssetsAndLiabilitiesExplanatory" xlink:label="tri_DisclosureOfFinancialAssetsAndLiabilitiesExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DisclosureOfFinancialAssetsAndLiabilitiesExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516323_3_1">Schedules disclosing information related to financial assets and liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DisclosureOfFinancialAssetsAndLiabilitiesExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516323_1_1">Disclosure Of Financial Assets And Liabilities [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DisclosureOfFinancialAssetsAndLiabilitiesExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516323_2_1">Summary of Financial Assets and Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DisclosureOfFinancialAssetsAndLiabilitiesExplanatory" xlink:to="tri_DisclosureOfFinancialAssetsAndLiabilitiesExplanatory_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureOfFinancialAssetsAndLiabilitiesLineItems" xlink:label="tri_DisclosureOfFinancialAssetsAndLiabilitiesLineItems"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DisclosureOfFutureUnconditionalPurchaseObligationsLineItems_lbl" xml:lang="en-US" id="id_14165682_3531752_3_1">The disclosure of future unconditional purchase obligations.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DisclosureOfFutureUnconditionalPurchaseObligationsLineItems_lbl" xml:lang="en-US" id="id_14165682_3531752_2_1">Disclosure of Future Unconditional Purchase Obligations [line items]</label>
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    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureOfFutureUnconditionalPurchaseObligationsTable" xlink:label="tri_DisclosureOfFutureUnconditionalPurchaseObligationsTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DisclosureOfFutureUnconditionalPurchaseObligationsTable_lbl" xml:lang="en-US" id="id_14165682_3473253_3_1">Disclosure of Future Unconditional Purchase Obligations [table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DisclosureOfFutureUnconditionalPurchaseObligationsTable_lbl" xml:lang="en-US" id="id_14165682_3473253_1_1">Disclosure of Future Unconditional Purchase Obligations [table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DisclosureOfFutureUnconditionalPurchaseObligationsTable_lbl" xml:lang="en-US" id="id_14165682_3473253_2_1">Disclosure of Future Unconditional Purchase Obligations [table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DisclosureOfFutureUnconditionalPurchaseObligationsTable" xlink:to="tri_DisclosureOfFutureUnconditionalPurchaseObligationsTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisclosureOfGeographicalAreasAbstract" xlink:label="ifrs-full_DisclosureOfGeographicalAreasAbstract"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfHedgeAccountingTable_lbl" xml:lang="en-US" id="id_14165682_3419098_2_1">Disclosure of detailed information about hedges [table]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:label="ifrs-full_DisclosureOfOtherProvisionsLineItems"/>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisclosureOfOtherProvisionsTable" xlink:label="ifrs-full_DisclosureOfOtherProvisionsTable"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable_lbl" xml:lang="en-US" id="id_14165682_3419450_2_1">Disclosure of reconciliation of liabilities arising from financing activities [table]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsAbstract" xlink:label="ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsAbstract"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsAbstract_lbl" xml:lang="en-US" id="id_14165682_3419458_2_1">Disclosure of sensitivity analysis for actuarial assumptions [abstract]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems" xlink:label="ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems_lbl" xml:lang="en-US" id="id_14165682_3419209_1_1">Disclosure of sensitivity analysis for actuarial assumptions [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems_lbl" xml:lang="en-US" id="id_14165682_3419209_2_1">Disclosure of sensitivity analysis for actuarial assumptions [line items]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable" xlink:label="ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable_lbl" xml:lang="en-US" id="id_14165682_3419861_1_1">Disclosure of sensitivity analysis for actuarial assumptions [table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable_lbl" xml:lang="en-US" id="id_14165682_3419861_2_1">Disclosure of sensitivity analysis for actuarial assumptions [table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable" xlink:to="ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureOfShareBasedCompensationExpenseAbstract" xlink:label="tri_DisclosureOfShareBasedCompensationExpenseAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DisclosureOfShareBasedCompensationExpenseAbstract_lbl" xml:lang="en-US" id="id_14165682_3428114_3_1">Disclosure of share-based compensation expense abstract.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DisclosureOfShareBasedCompensationExpenseAbstract_lbl" xml:lang="en-US" id="id_14165682_3428114_1_1">Disclosure Of Share Based Compensation Expense [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DisclosureOfShareBasedCompensationExpenseAbstract_lbl" xml:lang="en-US" id="id_14165682_3428114_2_1">Disclosure Of Share Based Compensation Expense [abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DisclosureOfShareBasedCompensationExpenseAbstract" xlink:to="tri_DisclosureOfShareBasedCompensationExpenseAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureOfShareBasedCompensationExpenseExplanatory" xlink:label="tri_DisclosureOfShareBasedCompensationExpenseExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DisclosureOfShareBasedCompensationExpenseExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516099_3_1">The amount of expense from share-based payment transactions with employees.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DisclosureOfShareBasedCompensationExpenseExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516099_1_1">Disclosure Of Share Based Compensation Expense [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DisclosureOfShareBasedCompensationExpenseExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516099_2_1">Summary of Share Based Compensation Expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DisclosureOfShareBasedCompensationExpenseExplanatory" xlink:to="tri_DisclosureOfShareBasedCompensationExpenseExplanatory_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureOfShareBasedCompensationExpenseLineItems" xlink:label="tri_DisclosureOfShareBasedCompensationExpenseLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DisclosureOfShareBasedCompensationExpenseLineItems_lbl" xml:lang="en-US" id="id_14165682_3531591_3_1">Disclosure of share-based compensation expense.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DisclosureOfShareBasedCompensationExpenseLineItems_lbl" xml:lang="en-US" id="id_14165682_3531591_1_1">Disclosure Of Share Based Compensation Expense [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DisclosureOfShareBasedCompensationExpenseLineItems_lbl" xml:lang="en-US" id="id_14165682_3531591_2_1">Disclosure Of Share Based Compensation Expense [line items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DisclosureOfShareBasedCompensationExpenseLineItems" xlink:to="tri_DisclosureOfShareBasedCompensationExpenseLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureOfShareBasedCompensationExpenseTable" xlink:label="tri_DisclosureOfShareBasedCompensationExpenseTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DisclosureOfShareBasedCompensationExpenseTable_lbl" xml:lang="en-US" id="id_14165682_3474540_3_1">Disclosure of share based compensation expense.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DisclosureOfShareBasedCompensationExpenseTable_lbl" xml:lang="en-US" id="id_14165682_3474540_1_1">Disclosure Of Share Based Compensation Expense [table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DisclosureOfShareBasedCompensationExpenseTable_lbl" xml:lang="en-US" id="id_14165682_3474540_2_1">Disclosure Of Share Based Compensation Expense [table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DisclosureOfShareBasedCompensationExpenseTable" xlink:to="tri_DisclosureOfShareBasedCompensationExpenseTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:label="ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory_lbl" xml:lang="en-US" id="id_14165682_3419461_1_1">Disclosure of share-based payment arrangements [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory_lbl" xml:lang="en-US" id="id_14165682_3419461_2_1">Share-Based Compensation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:to="ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureOfShareCapitalLineItems" xlink:label="tri_DisclosureOfShareCapitalLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DisclosureOfShareCapitalLineItems_lbl" xml:lang="en-US" id="id_14165682_3431599_3_1">Disclosure of share capital.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DisclosureOfShareCapitalLineItems_lbl" xml:lang="en-US" id="id_14165682_3431599_1_1">Disclosure of Share Capital [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DisclosureOfShareCapitalLineItems_lbl" xml:lang="en-US" id="id_14165682_3431599_2_1">Disclosure of Share Capital [line items]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:label="ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_lbl" xml:lang="en-US" id="id_14165682_3419863_1_1">Disclosure of share capital, reserves and other equity interest [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_lbl" xml:lang="en-US" id="id_14165682_3419863_2_1">Capital</label>
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    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureOfShareCapitalTable" xlink:label="tri_DisclosureOfShareCapitalTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DisclosureOfShareCapitalTable_lbl" xml:lang="en-US" id="id_14165682_3474521_3_1">Disclosure of capital.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DisclosureOfShareCapitalTable_lbl" xml:lang="en-US" id="id_14165682_3474521_1_1">Disclosure of Share Capital [table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DisclosureOfShareCapitalTable_lbl" xml:lang="en-US" id="id_14165682_3474521_2_1">Disclosure of Share Capital [table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DisclosureOfShareCapitalTable" xlink:to="tri_DisclosureOfShareCapitalTable_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureOfShareOfEquityInvestmentTable" xlink:label="tri_DisclosureOfShareOfEquityInvestmentTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DisclosureOfShareOfEquityInvestmentTable_lbl" xml:lang="en-US" id="id_14165682_3473493_3_1">Disclosure Of Share Of Equity Investment [table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DisclosureOfShareOfEquityInvestmentTable_lbl" xml:lang="en-US" id="id_14165682_3473493_1_1">Disclosure Of Share Of Equity Investment [table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DisclosureOfShareOfEquityInvestmentTable_lbl" xml:lang="en-US" id="id_14165682_3473493_2_1">Disclosure Of Share Of Equity Investment [table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DisclosureOfShareOfEquityInvestmentTable" xlink:to="tri_DisclosureOfShareOfEquityInvestmentTable_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureOfShareRepurchasesAbstract" xlink:label="tri_DisclosureOfShareRepurchasesAbstract"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DisclosureOfShareRepurchasesAbstract_lbl" xml:lang="en-US" id="id_14165682_3431898_1_1">Disclosure of share repurchases [abstract]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DisclosureOfShareRepurchasesExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516851_3_1">Schedule of share repurchase information.</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems_lbl" xml:lang="en-US" id="id_14165682_3419211_2_1">Disclosure of associates [line items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable_lbl" xml:lang="en-US" id="id_14165682_3419212_1_1">Disclosure of associates [table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable_lbl" xml:lang="en-US" id="id_14165682_3419212_2_1">Disclosure of associates [table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_lbl" xml:lang="en-US" id="id_14165682_3419475_1_1">Disclosure of transactions between related parties [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_lbl" xml:lang="en-US" id="id_14165682_3419475_2_1">Disclosure of transactions between related parties [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable_lbl" xml:lang="en-US" id="id_14165682_3419644_1_1">Disclosure of transactions between related parties [table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable_lbl" xml:lang="en-US" id="id_14165682_3419644_2_1">Disclosure of transactions between related parties [table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:to="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureOfWeightedAverageFairValueAbstract" xlink:label="tri_DisclosureOfWeightedAverageFairValueAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DisclosureOfWeightedAverageFairValueAbstract_lbl" xml:lang="en-US" id="id_14165682_3429212_3_1">Disclosure of weighted average fair value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DisclosureOfWeightedAverageFairValueAbstract_lbl" xml:lang="en-US" id="id_14165682_3429212_1_1">Disclosure of Weighted average fair value [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DisclosureOfWeightedAverageFairValueAbstract_lbl" xml:lang="en-US" id="id_14165682_3429212_2_1">Disclosure of Weighted average fair value [abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DisclosureOfWeightedAverageFairValueAbstract" xlink:to="tri_DisclosureOfWeightedAverageFairValueAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureOfWeightedAverageNumberOfCommonSharesOutstandingAndItsReconciliationExplanatory" xlink:label="tri_DisclosureOfWeightedAverageNumberOfCommonSharesOutstandingAndItsReconciliationExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DisclosureOfWeightedAverageNumberOfCommonSharesOutstandingAndItsReconciliationExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516107_3_1">Weighted average common shares outstanding with reconciliation to basic and diluted common shares.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DisclosureOfWeightedAverageNumberOfCommonSharesOutstandingAndItsReconciliationExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516107_1_1">Disclosure of Weighted Average Number of Common Shares Outstanding and its Reconciliation Explanatory</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DisclosureOfWeightedAverageNumberOfCommonSharesOutstandingAndItsReconciliationExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516107_2_1">Weighted Average Common Shares</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DisclosureOfWeightedAverageNumberOfCommonSharesOutstandingAndItsReconciliationExplanatory" xlink:to="tri_DisclosureOfWeightedAverageNumberOfCommonSharesOutstandingAndItsReconciliationExplanatory_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureRecentAccountingPronouncementsExplanatory" xlink:label="tri_DisclosureRecentAccountingPronouncementsExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DisclosureRecentAccountingPronouncementsExplanatory_lbl" xml:lang="en-US" id="id_14165682_3521327_3_1">Recent accounting pronouncements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DisclosureRecentAccountingPronouncementsExplanatory_lbl" xml:lang="en-US" id="id_14165682_3521327_1_1">Disclosure Recent Accounting Pronouncements Explanatory</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DisclosureRecentAccountingPronouncementsExplanatory_lbl" xml:lang="en-US" id="id_14165682_3521327_2_1">Recent Accounting Pronouncements</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DisclosureRecentAccountingPronouncementsExplanatory" xlink:to="tri_DisclosureRecentAccountingPronouncementsExplanatory_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureShareBasedCompensationNumberOfAwardsOutstandingAbstract" xlink:label="tri_DisclosureShareBasedCompensationNumberOfAwardsOutstandingAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DisclosureShareBasedCompensationNumberOfAwardsOutstandingAbstract_lbl" xml:lang="en-US" id="id_14165682_3553993_3_1">Disclosure - Share-Based Compensation - Number of Awards Outstanding [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DisclosureShareBasedCompensationNumberOfAwardsOutstandingAbstract_lbl" xml:lang="en-US" id="id_14165682_3553993_1_1">Disclosure - Share-Based Compensation - Number of Awards Outstanding [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DisclosureShareBasedCompensationNumberOfAwardsOutstandingAbstract_lbl" xml:lang="en-US" id="id_14165682_3553993_2_1">Disclosure - Share-Based Compensation - Number of Awards Outstanding [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DisclosureShareBasedCompensationNumberOfAwardsOutstandingAbstract" xlink:to="tri_DisclosureShareBasedCompensationNumberOfAwardsOutstandingAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DisclosureShareBasedCompensationSummaryOfAdditionalInformationRelatingToStockOptionsAndSARsAbstract" xlink:label="tri_DisclosureShareBasedCompensationSummaryOfAdditionalInformationRelatingToStockOptionsAndSARsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DisclosureShareBasedCompensationSummaryOfAdditionalInformationRelatingToStockOptionsAndSARsAbstract_lbl" xml:lang="en-US" id="id_14165682_3553995_3_1">Disclosure - Share-Based Compensation - Summary of Additional Information Relating to Stock Options and SAR's [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DisclosureShareBasedCompensationSummaryOfAdditionalInformationRelatingToStockOptionsAndSARsAbstract_lbl" xml:lang="en-US" id="id_14165682_3553995_1_1">Disclosure - Share-Based Compensation - Summary of Additional Information Relating to Stock Options and SAR's [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DisclosureShareBasedCompensationSummaryOfAdditionalInformationRelatingToStockOptionsAndSARsAbstract_lbl" xml:lang="en-US" id="id_14165682_3553995_2_1">Disclosure - Share-Based Compensation - Summary of Additional Information Relating to Stock Options and SAR's [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DisclosureShareBasedCompensationSummaryOfAdditionalInformationRelatingToStockOptionsAndSARsAbstract" xlink:to="tri_DisclosureShareBasedCompensationSummaryOfAdditionalInformationRelatingToStockOptionsAndSARsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DiscontinuedOperationsMember" xlink:label="ifrs-full_DiscontinuedOperationsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DiscontinuedOperationsMember_lbl" xml:lang="en-US" id="id_14165682_3419484_1_1">Discontinued operations [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DiscontinuedOperationsMember_lbl" xml:lang="en-US" id="id_14165682_3419484_2_1">Discontinued operations [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DiscontinuedOperationsMember" xlink:to="ifrs-full_DiscontinuedOperationsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DiscontinuedOperationsOtherNonoperatingIncomeExpensesNet" xlink:label="tri_DiscontinuedOperationsOtherNonoperatingIncomeExpensesNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DiscontinuedOperationsOtherNonoperatingIncomeExpensesNet_lbl" xml:lang="en-US" id="id_14165682_3436233_3_1">Discontinued operations other non-operating income (expenses), net.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DiscontinuedOperationsOtherNonoperatingIncomeExpensesNet_lbl" xml:lang="en-US" id="id_14165682_3436233_1_1">Discontinued operations other non-operating income (expenses), net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DiscontinuedOperationsOtherNonoperatingIncomeExpensesNet_lbl" xml:lang="en-US" id="id_14165682_3436233_2_1">Other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DiscontinuedOperationsOtherNonoperatingIncomeExpensesNet" xlink:to="tri_DiscontinuedOperationsOtherNonoperatingIncomeExpensesNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisposalsIntangibleAssetsAndGoodwill" xlink:label="ifrs-full_DisposalsIntangibleAssetsAndGoodwill"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisposalsIntangibleAssetsAndGoodwill_lbl" xml:lang="en-US" id="id_14165682_3419488_1_1">Disposals, intangible assets and goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DisposalsIntangibleAssetsAndGoodwill_lbl" xml:lang="en-US" id="id_14165682_3419488_14_1">Disposals of businesses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisposalsIntangibleAssetsAndGoodwill" xlink:to="ifrs-full_DisposalsIntangibleAssetsAndGoodwill_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisposalsIntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_DisposalsIntangibleAssetsOtherThanGoodwill"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisposalsIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" id="id_14165682_3419657_1_1">Disposals, intangible assets other than goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DisposalsIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" id="id_14165682_3419657_14_1">Disposals of businesses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisposalsIntangibleAssetsOtherThanGoodwill" xlink:to="ifrs-full_DisposalsIntangibleAssetsOtherThanGoodwill_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:label="ifrs-full_DisposalsPropertyPlantAndEquipment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisposalsPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_14165682_3419658_1_1">Disposals, property, plant and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DisposalsPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_14165682_3419658_14_1">Disposals of businesses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:to="ifrs-full_DisposalsPropertyPlantAndEquipment_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DividendAnnouncementMember" xlink:label="tri_DividendAnnouncementMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DividendAnnouncementMember_lbl" xml:lang="en-US" id="id_14165682_3513443_3_1">Dividend announcement [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DividendAnnouncementMember_lbl" xml:lang="en-US" id="id_14165682_3513443_1_1">Dividend announcement [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DividendAnnouncementMember_lbl" xml:lang="en-US" id="id_14165682_3513443_2_1">Dividend announcement [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DividendAnnouncementMember" xlink:to="tri_DividendAnnouncementMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DividendAxis" xlink:label="tri_DividendAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DividendAxis_lbl" xml:lang="en-US" id="id_14165682_3475641_3_1">Dividend [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DividendAxis_lbl" xml:lang="en-US" id="id_14165682_3475641_1_1">Dividend [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DividendAxis_lbl" xml:lang="en-US" id="id_14165682_3475641_2_1">Dividend [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DividendAxis" xlink:to="tri_DividendAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DividendDomain" xlink:label="tri_DividendDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DividendDomain_lbl" xml:lang="en-US" id="id_14165682_3501361_3_1">Dividend [domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DividendDomain_lbl" xml:lang="en-US" id="id_14165682_3501361_1_1">Dividend [domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DividendDomain_lbl" xml:lang="en-US" id="id_14165682_3501361_2_1">Dividend [domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DividendDomain" xlink:to="tri_DividendDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DividendPayableRatePercentage" xlink:label="tri_DividendPayableRatePercentage"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DividendPayableRatePercentage_lbl" xml:lang="en-US" id="id_14165682_3526247_3_1">Dividend payable rate percentage of the Canadian bank prime rate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DividendPayableRatePercentage_lbl" xml:lang="en-US" id="id_14165682_3526247_1_1">Dividend Payable Rate Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DividendPayableRatePercentage_lbl" xml:lang="en-US" id="id_14165682_3526247_2_1">Dividend payable rate percentage</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DividendPayableRatePercentage" xlink:to="tri_DividendPayableRatePercentage_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DividendsDeclaredOrdinarySharesPerShare" xlink:label="tri_DividendsDeclaredOrdinarySharesPerShare"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DividendsDeclaredOrdinarySharesPerShare_lbl" xml:lang="en-US" id="id_14165682_3522931_3_1">Dividends declared ordinary shares per share.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DividendsDeclaredOrdinarySharesPerShare_lbl" xml:lang="en-US" id="id_14165682_3522931_1_1">Dividends Declared Ordinary Shares Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DividendsDeclaredOrdinarySharesPerShare_lbl" xml:lang="en-US" id="id_14165682_3522931_2_1">Dividends declared per common share</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DividendsDeclaredOrdinarySharesPerShare" xlink:to="tri_DividendsDeclaredOrdinarySharesPerShare_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DividendsPaid" xlink:label="ifrs-full_DividendsPaid"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DividendsPaid_lbl" xml:lang="en-US" id="id_14165682_3419659_1_1">Dividends recognised as distributions to owners</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DividendsPaid_lbl" xml:lang="en-US" id="id_14165682_3419659_14_1">Dividends declared</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DividendsPaid" xlink:to="ifrs-full_DividendsPaid_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DividendsPaidClassifiedAsFinancingActivities" xlink:label="ifrs-full_DividendsPaidClassifiedAsFinancingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DividendsPaidClassifiedAsFinancingActivities_lbl" xml:lang="en-US" id="id_14165682_3419889_1_1">Dividends paid, classified as financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DividendsPaidClassifiedAsFinancingActivities_lbl" xml:lang="en-US" id="id_14165682_3419889_14_1">Dividends paid</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DividendsPaidClassifiedAsFinancingActivities" xlink:to="ifrs-full_DividendsPaidClassifiedAsFinancingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DividendsPaidOrdinaryShares" xlink:label="ifrs-full_DividendsPaidOrdinaryShares"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DividendsPaidOrdinaryShares_lbl" xml:lang="en-US" id="id_14165682_3419660_1_1">Dividends paid, ordinary shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_DividendsPaidOrdinaryShares_lbl" xml:lang="en-US" id="id_14165682_3419660_6_1">Dividends paid</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DividendsPaidOrdinaryShares" xlink:to="ifrs-full_DividendsPaidOrdinaryShares_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DividendsPaidOrdinarySharesPerShare" xlink:label="ifrs-full_DividendsPaidOrdinarySharesPerShare"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DividendsPaidOrdinarySharesPerShare_lbl" xml:lang="en-US" id="id_14165682_3419661_1_1">Dividends paid, ordinary shares per share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DividendsPaidOrdinarySharesPerShare_lbl" xml:lang="en-US" id="id_14165682_3419661_2_1">Dividend paid per common share</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DividendsPaidOrdinarySharesPerShare" xlink:to="ifrs-full_DividendsPaidOrdinarySharesPerShare_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare" xlink:label="ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare_lbl" xml:lang="en-US" id="id_14165682_3419665_1_1">Dividends proposed or declared before financial statements authorised for issue but not recognised as distribution to owners per share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare_lbl" xml:lang="en-US" id="id_14165682_3419665_2_1">Dividend approved, per share</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare" xlink:to="ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests" xlink:label="ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests_lbl" xml:lang="en-US" id="id_14165682_3419668_1_1">Dividends recognised as distributions to non-controlling interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests_lbl" xml:lang="en-US" id="id_14165682_3419668_14_1">Distributions to non-controlling interests</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests" xlink:to="ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParent" xlink:label="ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParent_lbl" xml:lang="en-US" id="id_14165682_3419495_1_1">Dividends recognised as distributions to owners of parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParent_lbl" xml:lang="en-US" id="id_14165682_3419495_2_1">Dividends declared</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParent" xlink:to="ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParent_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DividendsReinvestedOrdinaryShares" xlink:label="tri_DividendsReinvestedOrdinaryShares"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DividendsReinvestedOrdinaryShares_lbl" xml:lang="en-US" id="id_14165682_3453216_3_1">Dividends reinvested ordinary shares.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DividendsReinvestedOrdinaryShares_lbl" xml:lang="en-US" id="id_14165682_3453216_1_1">Dividends Reinvested Ordinary Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DividendsReinvestedOrdinaryShares_lbl" xml:lang="en-US" id="id_14165682_3453216_2_1">Dividends reinvested</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DividendsReinvestedOrdinaryShares" xlink:to="tri_DividendsReinvestedOrdinaryShares_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_DocumentAndEntityInformationAbstract" xlink:label="tri_DocumentAndEntityInformationAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_DocumentAndEntityInformationAbstract_lbl" xml:lang="en-US" id="id_14165682_3548748_3_1">Document and entity information.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_DocumentAndEntityInformationAbstract_lbl" xml:lang="en-US" id="id_14165682_3548748_1_1">Document and entity information [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_DocumentAndEntityInformationAbstract_lbl" xml:lang="en-US" id="id_14165682_3548748_2_1">Document and entity information [abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_DocumentAndEntityInformationAbstract" xlink:to="tri_DocumentAndEntityInformationAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xml:lang="en-US" id="id_14165682_3419904_1_1">Document Fiscal Period Focus</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xml:lang="en-US" id="id_14165682_3419904_2_1">Document Fiscal Period Focus</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalPeriodFocus" xlink:to="dei_DocumentFiscalPeriodFocus_lbl"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="dei_DocumentFiscalYearFocus"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentFiscalYearFocus_lbl" xml:lang="en-US" id="id_14165682_3419905_1_1">Document Fiscal Year Focus</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_DocumentFiscalYearFocus_lbl" xml:lang="en-US" id="id_14165682_3419905_2_1">Document Fiscal Year Focus</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalYearFocus" xlink:to="dei_DocumentFiscalYearFocus_lbl"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentPeriodEndDate_lbl" xml:lang="en-US" id="id_14165682_3419242_1_1">Document Period End Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_DocumentPeriodEndDate_lbl" xml:lang="en-US" id="id_14165682_3419242_2_1">Document Period End Date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodEndDate" xlink:to="dei_DocumentPeriodEndDate_lbl"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentType" xlink:label="dei_DocumentType"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentType_lbl" xml:lang="en-US" id="id_14165682_3419909_1_1">Document Type</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_DocumentType_lbl" xml:lang="en-US" id="id_14165682_3419909_2_1">Document Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentType" xlink:to="dei_DocumentType_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_EarlyRedemptionOfDebtSecuritiesMember" xlink:label="tri_EarlyRedemptionOfDebtSecuritiesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_EarlyRedemptionOfDebtSecuritiesMember_lbl" xml:lang="en-US" id="id_14165682_3546025_3_1">Early redemption of debt securities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_EarlyRedemptionOfDebtSecuritiesMember_lbl" xml:lang="en-US" id="id_14165682_3546025_1_1">Early redemption of debt securities [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_EarlyRedemptionOfDebtSecuritiesMember_lbl" xml:lang="en-US" id="id_14165682_3546025_2_1">Early redemption of debt securities [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_EarlyRedemptionOfDebtSecuritiesMember" xlink:to="tri_EarlyRedemptionOfDebtSecuritiesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_EarningsPerShareAbstract" xlink:label="ifrs-full_EarningsPerShareAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EarningsPerShareAbstract_lbl" xml:lang="en-US" id="id_14165682_3419251_1_1">Earnings per share [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EarningsPerShareAbstract_lbl" xml:lang="en-US" id="id_14165682_3419251_2_1">Earnings per share:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EarningsPerShareAbstract" xlink:to="ifrs-full_EarningsPerShareAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_EffectiveIncomeTaxNetChargeAssociatedWithSeparationOfFinancialAndRisk" xlink:label="tri_EffectiveIncomeTaxNetChargeAssociatedWithSeparationOfFinancialAndRisk"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_EffectiveIncomeTaxNetChargeAssociatedWithSeparationOfFinancialAndRisk_lbl" xml:lang="en-US" id="id_14165682_3549380_3_1">Effective income tax net charge associated with separation of financial and risk.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_EffectiveIncomeTaxNetChargeAssociatedWithSeparationOfFinancialAndRisk_lbl" xml:lang="en-US" id="id_14165682_3549380_1_1">Effective income tax net charge associated with separation of financial and risk</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_EffectiveIncomeTaxNetChargeAssociatedWithSeparationOfFinancialAndRisk_lbl" xml:lang="en-US" id="id_14165682_3549380_2_1">Effective income tax net charge associated with separation of financial and risk</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_EffectiveIncomeTaxNetChargeAssociatedWithSeparationOfFinancialAndRisk" xlink:to="tri_EffectiveIncomeTaxNetChargeAssociatedWithSeparationOfFinancialAndRisk_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:label="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_lbl" xml:lang="en-US" id="id_14165682_3419690_1_1">Effect of exchange rate changes on cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_lbl" xml:lang="en-US" id="id_14165682_3419690_2_1">Translation adjustments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:to="ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ElectronicSoftwareAndServicesMember" xlink:label="tri_ElectronicSoftwareAndServicesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ElectronicSoftwareAndServicesMember_lbl" xml:lang="en-US" id="id_14165682_3480328_3_1">Electronic, software and services.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ElectronicSoftwareAndServicesMember_lbl" xml:lang="en-US" id="id_14165682_3480328_1_1">Electronic Software And Services[member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ElectronicSoftwareAndServicesMember_lbl" xml:lang="en-US" id="id_14165682_3480328_2_1">Electronic, software and services [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ElectronicSoftwareAndServicesMember" xlink:to="tri_ElectronicSoftwareAndServicesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_EliminationOfIntersegmentAmountsMember" xlink:label="ifrs-full_EliminationOfIntersegmentAmountsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EliminationOfIntersegmentAmountsMember_lbl" xml:lang="en-US" id="id_14165682_3419697_1_1">Elimination of intersegment amounts [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EliminationOfIntersegmentAmountsMember_lbl" xml:lang="en-US" id="id_14165682_3419697_2_1">Eliminations [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EliminationOfIntersegmentAmountsMember" xlink:to="ifrs-full_EliminationOfIntersegmentAmountsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_EmbeddedDerivativeAssetPosition" xlink:label="tri_EmbeddedDerivativeAssetPosition"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_EmbeddedDerivativeAssetPosition_lbl" xml:lang="en-US" id="id_14165682_3445016_3_1">Embedded derivative - asset position.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_EmbeddedDerivativeAssetPosition_lbl" xml:lang="en-US" id="id_14165682_3445016_1_1">Embedded derivative - asset position</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_EmbeddedDerivativeAssetPosition_lbl" xml:lang="en-US" id="id_14165682_3445016_2_1">Embedded derivatives</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_EmbeddedDerivativeAssetPosition" xlink:to="tri_EmbeddedDerivativeAssetPosition_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_EmbeddedDerivativeLiabilityPosition" xlink:label="tri_EmbeddedDerivativeLiabilityPosition"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_EmbeddedDerivativeLiabilityPosition_lbl" xml:lang="en-US" id="id_14165682_3445018_3_1">Embedded derivative - liability position.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_EmbeddedDerivativeLiabilityPosition_lbl" xml:lang="en-US" id="id_14165682_3445018_1_1">Embedded derivative - liability position</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_EmbeddedDerivativeLiabilityPosition_lbl" xml:lang="en-US" id="id_14165682_3445018_2_1">Embedded derivatives</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_EmbeddedDerivativeLiabilityPosition" xlink:to="tri_EmbeddedDerivativeLiabilityPosition_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_EmbeddedDerivativesMember" xlink:label="tri_EmbeddedDerivativesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_EmbeddedDerivativesMember_lbl" xml:lang="en-US" id="id_14165682_3509127_3_1">Embedded derivatives.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_EmbeddedDerivativesMember_lbl" xml:lang="en-US" id="id_14165682_3509127_1_1">Embedded derivatives [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_EmbeddedDerivativesMember_lbl" xml:lang="en-US" id="id_14165682_3509127_2_1">Embedded derivatives [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_EmbeddedDerivativesMember" xlink:to="tri_EmbeddedDerivativesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_EmeaMember" xlink:label="tri_EmeaMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_EmeaMember_lbl" xml:lang="en-US" id="id_14165682_3536763_3_1">EMEA .</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_EmeaMember_lbl" xml:lang="en-US" id="id_14165682_3536763_1_1">EMEA [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_EmeaMember_lbl" xml:lang="en-US" id="id_14165682_3536763_2_1">EMEA [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_EmeaMember" xlink:to="tri_EmeaMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_EmployeeBenefitExpenseMember" xlink:label="tri_EmployeeBenefitExpenseMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_EmployeeBenefitExpenseMember_lbl" xml:lang="en-US" id="id_14165682_3480228_3_1">Employee benefit expense.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_EmployeeBenefitExpenseMember_lbl" xml:lang="en-US" id="id_14165682_3480228_1_1">Employee Benefit Expense [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_EmployeeBenefitExpenseMember_lbl" xml:lang="en-US" id="id_14165682_3480228_2_1">Employee Benefit Expense [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_EmployeeBenefitExpenseMember" xlink:to="tri_EmployeeBenefitExpenseMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_EmployeeBenefitsExpense" xlink:label="ifrs-full_EmployeeBenefitsExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EmployeeBenefitsExpense_lbl" xml:lang="en-US" id="id_14165682_3419930_1_1">Employee benefits expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_EmployeeBenefitsExpense_lbl" xml:lang="en-US" id="id_14165682_3419930_6_1">Total staff costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EmployeeBenefitsExpense" xlink:to="ifrs-full_EmployeeBenefitsExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_EmployeeBenefitsMember" xlink:label="tri_EmployeeBenefitsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_EmployeeBenefitsMember_lbl" xml:lang="en-US" id="id_14165682_3529783_3_1">Employee benefits.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_EmployeeBenefitsMember_lbl" xml:lang="en-US" id="id_14165682_3529783_1_1">Employee Benefits [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_EmployeeBenefitsMember_lbl" xml:lang="en-US" id="id_14165682_3529783_2_1">Employee benefits [member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_EmployeeLongtermIncentives_lbl" xml:lang="en-US" id="id_14165682_3446696_3_1">Employee long-term incentives.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_EmployeeLongtermIncentives_lbl" xml:lang="en-US" id="id_14165682_3446696_1_1">Employee Long-Term Incentives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_EmployeeLongtermIncentives_lbl" xml:lang="en-US" id="id_14165682_3446696_2_1">Deferred compensation and employee incentives</label>
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    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_EmployeeRelatedMember" xlink:label="tri_EmployeeRelatedMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_EmployeeRelatedMember_lbl" xml:lang="en-US" id="id_14165682_3480299_3_1">Employee related.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_EmployeeRelatedMember_lbl" xml:lang="en-US" id="id_14165682_3480299_1_1">Employee Related [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_EmployeeRelatedMember_lbl" xml:lang="en-US" id="id_14165682_3480299_2_1">Employee-related [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_EmployeeRelatedMember" xlink:to="tri_EmployeeRelatedMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_EmployeeStockPurchasePlanMember" xlink:label="tri_EmployeeStockPurchasePlanMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_EmployeeStockPurchasePlanMember_lbl" xml:lang="en-US" id="id_14165682_3509192_3_1">Employee stock purchase plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_EmployeeStockPurchasePlanMember_lbl" xml:lang="en-US" id="id_14165682_3509192_1_1">Employee Stock Purchase Plan [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_EmployeeStockPurchasePlanMember_lbl" xml:lang="en-US" id="id_14165682_3509192_2_1">Employee Stock Purchase Plan [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_EmployeeStockPurchasePlanMember" xlink:to="tri_EmployeeStockPurchasePlanMember_lbl"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCentralIndexKey_lbl" xml:lang="en-US" id="id_14165682_3419937_1_1">Entity Central Index Key</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_EntityCentralIndexKey_lbl" xml:lang="en-US" id="id_14165682_3419937_2_1">Entity Central Index Key</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCentralIndexKey" xlink:to="dei_EntityCentralIndexKey_lbl"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="dei_EntityCommonStockSharesOutstanding"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xml:lang="en-US" id="id_14165682_3419274_1_1">Entity Common Stock, Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xml:lang="en-US" id="id_14165682_3419274_2_1">Entity Common Stock, Shares Outstanding</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCommonStockSharesOutstanding" xlink:to="dei_EntityCommonStockSharesOutstanding_lbl"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="dei_EntityCurrentReportingStatus"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCurrentReportingStatus_lbl" xml:lang="en-US" id="id_14165682_3419277_1_1">Entity Current Reporting Status</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_EntityCurrentReportingStatus_lbl" xml:lang="en-US" id="id_14165682_3419277_2_1">Entity Current Reporting Status</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCurrentReportingStatus" xlink:to="dei_EntityCurrentReportingStatus_lbl"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityDomain_lbl" xml:lang="en-US" id="id_14165682_3419278_1_1">Entity [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_EntityDomain_lbl" xml:lang="en-US" id="id_14165682_3419278_2_1">Entity [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityDomain" xlink:to="dei_EntityDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityEmergingGrowthCompany" xlink:label="dei_EntityEmergingGrowthCompany"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xml:lang="en-US" id="id_14165682_3419279_1_1">Entity Emerging Growth Company</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xml:lang="en-US" id="id_14165682_3419279_2_1">Entity Emerging Growth Company</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityEmergingGrowthCompany" xlink:to="dei_EntityEmergingGrowthCompany_lbl"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityRegistrantName_lbl" xml:lang="en-US" id="id_14165682_3419722_1_1">Entity Registrant Name</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_EntityRegistrantName_lbl" xml:lang="en-US" id="id_14165682_3419722_2_1">Entity Registrant Name</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityRegistrantName" xlink:to="dei_EntityRegistrantName_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_EntitysTotalForAssociatesMember" xlink:label="ifrs-full_EntitysTotalForAssociatesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EntitysTotalForAssociatesMember_lbl" xml:lang="en-US" id="id_14165682_3419727_1_1">Entity's total for associates [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EntitysTotalForAssociatesMember_lbl" xml:lang="en-US" id="id_14165682_3419727_2_1">Entity's total for associates [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EntitysTotalForAssociatesMember" xlink:to="ifrs-full_EntitysTotalForAssociatesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:label="ifrs-full_EntitysTotalForBusinessCombinationsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EntitysTotalForBusinessCombinationsMember_lbl" xml:lang="en-US" id="id_14165682_3419292_1_1">Entity's total for business combinations [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EntitysTotalForBusinessCombinationsMember_lbl" xml:lang="en-US" id="id_14165682_3419292_2_1">Entity's total for business combinations [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EntitysTotalForBusinessCombinationsMember" xlink:to="ifrs-full_EntitysTotalForBusinessCombinationsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_EntitysTotalForCashgeneratingUnitsMember" xlink:label="ifrs-full_EntitysTotalForCashgeneratingUnitsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EntitysTotalForCashgeneratingUnitsMember_lbl" xml:lang="en-US" id="id_14165682_3419949_1_1">Entity's total for cash-generating units [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EntitysTotalForCashgeneratingUnitsMember_lbl" xml:lang="en-US" id="id_14165682_3419949_2_1">Entity's total for cash-generating units [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EntitysTotalForCashgeneratingUnitsMember" xlink:to="ifrs-full_EntitysTotalForCashgeneratingUnitsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:label="ifrs-full_EntitysTotalForRelatedPartiesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EntitysTotalForRelatedPartiesMember_lbl" xml:lang="en-US" id="id_14165682_3419733_1_1">Entity's total for related parties [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EntitysTotalForRelatedPartiesMember_lbl" xml:lang="en-US" id="id_14165682_3419733_2_1">Entity's total for related parties [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EntitysTotalForRelatedPartiesMember" xlink:to="ifrs-full_EntitysTotalForRelatedPartiesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" xlink:label="ifrs-full_EntitysTotalForSegmentConsolidationItemsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EntitysTotalForSegmentConsolidationItemsMember_lbl" xml:lang="en-US" id="id_14165682_3419952_1_1">Entity's total for segment consolidation items [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EntitysTotalForSegmentConsolidationItemsMember_lbl" xml:lang="en-US" id="id_14165682_3419952_2_1">Entity's total for segment consolidation items [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EntitysTotalForSegmentConsolidationItemsMember" xlink:to="ifrs-full_EntitysTotalForSegmentConsolidationItemsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_Equity" xlink:label="ifrs-full_Equity"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Equity_lbl" xml:lang="en-US" id="id_14165682_3419957_1_1">Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_Equity_lbl" xml:lang="en-US" id="id_14165682_3419957_4_1">Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_Equity_lbl" xml:lang="en-US" id="id_14165682_3419957_5_1">Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_Equity_lbl" xml:lang="en-US" id="id_14165682_3419957_6_1">Total equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_Equity_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_EquityAbstract" xlink:label="ifrs-full_EquityAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityAbstract_lbl" xml:lang="en-US" id="id_14165682_3419541_1_1">Equity [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EquityAbstract_lbl" xml:lang="en-US" id="id_14165682_3419541_2_1">Equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAbstract" xlink:to="ifrs-full_EquityAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityAndLiabilities_lbl" xml:lang="en-US" id="id_14165682_3419542_1_1">Equity and liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_EquityAndLiabilities_lbl" xml:lang="en-US" id="id_14165682_3419542_6_1">Total liabilities and equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAndLiabilities" xlink:to="ifrs-full_EquityAndLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_EquityAndLiabilitiesAbstract" xlink:label="ifrs-full_EquityAndLiabilitiesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityAndLiabilitiesAbstract_lbl" xml:lang="en-US" id="id_14165682_3419958_1_1">Equity and liabilities [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EquityAndLiabilitiesAbstract_lbl" xml:lang="en-US" id="id_14165682_3419958_2_1">LIABILITIES AND EQUITY</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAndLiabilitiesAbstract" xlink:to="ifrs-full_EquityAndLiabilitiesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_EquityAttributableToOwnersOfParent" xlink:label="ifrs-full_EquityAttributableToOwnersOfParent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityAttributableToOwnersOfParent_lbl" xml:lang="en-US" id="id_14165682_3419543_1_1">Equity attributable to owners of parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_EquityAttributableToOwnersOfParent_lbl" xml:lang="en-US" id="id_14165682_3419543_6_1">Total shareholders' equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAttributableToOwnersOfParent" xlink:to="ifrs-full_EquityAttributableToOwnersOfParent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:label="ifrs-full_EquityAttributableToOwnersOfParentMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityAttributableToOwnersOfParentMember_lbl" xml:lang="en-US" id="id_14165682_3419544_1_1">Equity attributable to owners of parent [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EquityAttributableToOwnersOfParentMember_lbl" xml:lang="en-US" id="id_14165682_3419544_2_1">Shareholders' equity [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="ifrs-full_EquityAttributableToOwnersOfParentMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_EquityInstrumentsAmountContributedToFairValueOfPlanAssets" xlink:label="ifrs-full_EquityInstrumentsAmountContributedToFairValueOfPlanAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityInstrumentsAmountContributedToFairValueOfPlanAssets_lbl" xml:lang="en-US" id="id_14165682_3419545_1_1">Equity instruments, amount contributed to fair value of plan assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EquityInstrumentsAmountContributedToFairValueOfPlanAssets_lbl" xml:lang="en-US" id="id_14165682_3419545_2_1">Equities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityInstrumentsAmountContributedToFairValueOfPlanAssets" xlink:to="ifrs-full_EquityInstrumentsAmountContributedToFairValueOfPlanAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_EquityMember" xlink:label="ifrs-full_EquityMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityMember_lbl" xml:lang="en-US" id="id_14165682_3419740_1_1">Equity [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EquityMember_lbl" xml:lang="en-US" id="id_14165682_3419740_2_1">Equity [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityMember" xlink:to="ifrs-full_EquityMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_EquityMethodInvestmentsMember" xlink:label="tri_EquityMethodInvestmentsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_EquityMethodInvestmentsMember_lbl" xml:lang="en-US" id="id_14165682_3549456_3_1">Equity method investments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_EquityMethodInvestmentsMember_lbl" xml:lang="en-US" id="id_14165682_3549456_1_1">Equity Method Investments [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_EquityMethodInvestmentsMember_lbl" xml:lang="en-US" id="id_14165682_3549456_2_1">Equity Method Investments [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_EquityMethodInvestmentsMember" xlink:to="tri_EquityMethodInvestmentsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_EquityMethodOfInvestmentWarrants" xlink:label="tri_EquityMethodOfInvestmentWarrants"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_EquityMethodOfInvestmentWarrants_lbl" xml:lang="en-US" id="id_14165682_3546096_3_1">Equity method of investment warrants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_EquityMethodOfInvestmentWarrants_lbl" xml:lang="en-US" id="id_14165682_3546096_1_1">Equity method of investment warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_EquityMethodOfInvestmentWarrants_lbl" xml:lang="en-US" id="id_14165682_3546096_2_1">Warrants</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_EquityMethodOfInvestmentWarrants" xlink:to="tri_EquityMethodOfInvestmentWarrants_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_EquityPriceRiskMember" xlink:label="ifrs-full_EquityPriceRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityPriceRiskMember_lbl" xml:lang="en-US" id="id_14165682_3419960_1_1">Equity price risk [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EquityPriceRiskMember_lbl" xml:lang="en-US" id="id_14165682_3419960_2_1">Equity Price Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityPriceRiskMember" xlink:to="ifrs-full_EquityPriceRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_EquitysettledPlansMember" xlink:label="tri_EquitysettledPlansMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_EquitysettledPlansMember_lbl" xml:lang="en-US" id="id_14165682_3531753_3_1">Equity-settled plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_EquitysettledPlansMember_lbl" xml:lang="en-US" id="id_14165682_3531753_1_1">Equity-settled plans [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_EquitysettledPlansMember_lbl" xml:lang="en-US" id="id_14165682_3531753_2_1">Equity-settled [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_EquitysettledPlansMember" xlink:to="tri_EquitysettledPlansMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan" xlink:label="ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan_lbl" xml:lang="en-US" id="id_14165682_3419745_1_1">Estimate of contributions expected to be paid to plan for next annual reporting period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan_lbl" xml:lang="en-US" id="id_14165682_3419745_2_1">Expected employer contribution to be made in 2019</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan" xlink:to="ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan_lbl"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2017/currency-2017-01-31.xsd#currency_EUR" xlink:label="currency_EUR"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="currency_EUR_lbl" xml:lang="en-US" id="id_14165682_3419751_1_1">Euro Member Countries, Euro</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="currency_EUR_lbl" xml:lang="en-US" id="id_14165682_3419751_2_1">Euros [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="currency_EUR" xlink:to="currency_EUR_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_EurosSellMember" xlink:label="tri_EurosSellMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_EurosSellMember_lbl" xml:lang="en-US" id="id_14165682_3510290_3_1">Euros Sell.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_EurosSellMember_lbl" xml:lang="en-US" id="id_14165682_3510290_1_1">Euros Sell [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_EurosSellMember_lbl" xml:lang="en-US" id="id_14165682_3510290_2_1">Euros Sell [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_EurosSellMember" xlink:to="tri_EurosSellMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ExercisePriceShareOptionsGranted" xlink:label="ifrs-full_ExercisePriceShareOptionsGranted"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ExercisePriceShareOptionsGranted_lbl" xml:lang="en-US" id="id_14165682_3419967_1_1">Exercise price, share options granted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ExercisePriceShareOptionsGranted_lbl" xml:lang="en-US" id="id_14165682_3419967_2_1">Exercise price</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExercisePriceShareOptionsGranted" xlink:to="ifrs-full_ExercisePriceShareOptionsGranted_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ExpectedCreditLossesOnOtherReceivables" xlink:label="tri_ExpectedCreditLossesOnOtherReceivables"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ExpectedCreditLossesOnOtherReceivables_lbl" xml:lang="en-US" id="id_14165682_3549377_3_1">Expected credit losses on other receivables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ExpectedCreditLossesOnOtherReceivables_lbl" xml:lang="en-US" id="id_14165682_3549377_1_1">Expected Credit Losses on other receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ExpectedCreditLossesOnOtherReceivables_lbl" xml:lang="en-US" id="id_14165682_3549377_2_1">Expected credit losses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ExpectedCreditLossesOnOtherReceivables" xlink:to="tri_ExpectedCreditLossesOnOtherReceivables_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:label="ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted_lbl" xml:lang="en-US" id="id_14165682_3419755_1_1">Expected dividend as percentage, share options granted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted_lbl" xml:lang="en-US" id="id_14165682_3419755_2_1">Dividend yield</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:to="ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ExpectedFutureMinimumSubleasePaymentsReceivableUnderNoncancellableSubleasesClassifiedAsOperatingLease" xlink:label="ifrs-full_ExpectedFutureMinimumSubleasePaymentsReceivableUnderNoncancellableSubleasesClassifiedAsOperatingLease"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ExpectedFutureMinimumSubleasePaymentsReceivableUnderNoncancellableSubleasesClassifiedAsOperatingLease_lbl" xml:lang="en-US" id="id_14165682_3419562_1_1">Expected future minimum sublease payments receivable under non-cancellable subleases, classified as operating lease</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ExpectedFutureMinimumSubleasePaymentsReceivableUnderNoncancellableSubleasesClassifiedAsOperatingLease_lbl" xml:lang="en-US" id="id_14165682_3419562_2_1">Total of future minimum sublease payments to be received under non-cancellable subleases</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExpectedFutureMinimumSubleasePaymentsReceivableUnderNoncancellableSubleasesClassifiedAsOperatingLease" xlink:to="ifrs-full_ExpectedFutureMinimumSubleasePaymentsReceivableUnderNoncancellableSubleasesClassifiedAsOperatingLease_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ExpectedIncreaseOfDepreciationAndInterestExpense" xlink:label="tri_ExpectedIncreaseOfDepreciationAndInterestExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ExpectedIncreaseOfDepreciationAndInterestExpense_lbl" xml:lang="en-US" id="id_14165682_3541424_3_1">Expected increase of depreciation and interest expense.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ExpectedIncreaseOfDepreciationAndInterestExpense_lbl" xml:lang="en-US" id="id_14165682_3541424_1_1">Expected Increase Of Depreciation and Interest Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ExpectedIncreaseOfDepreciationAndInterestExpense_lbl" xml:lang="en-US" id="id_14165682_3541424_2_1">Increase in depreciation and interest expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ExpectedIncreaseOfDepreciationAndInterestExpense" xlink:to="tri_ExpectedIncreaseOfDepreciationAndInterestExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ExpenseFromServicesProvidedByRelatedParty" xlink:label="tri_ExpenseFromServicesProvidedByRelatedParty"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ExpenseFromServicesProvidedByRelatedParty_lbl" xml:lang="en-US" id="id_14165682_3553417_3_1">Expense from services provided by related party.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ExpenseFromServicesProvidedByRelatedParty_lbl" xml:lang="en-US" id="id_14165682_3553417_1_1">Expense from services provided by related party</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ExpenseFromServicesProvidedByRelatedParty_lbl" xml:lang="en-US" id="id_14165682_3553417_2_1">Provided by Refinitiv to Thomson Reuters (Expense)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ExpenseFromServicesProvidedByRelatedParty" xlink:to="tri_ExpenseFromServicesProvidedByRelatedParty_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_lbl" xml:lang="en-US" id="id_14165682_3419569_1_1">Expense from share-based payment transactions with employees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_lbl" xml:lang="en-US" id="id_14165682_3419569_2_1">Share-based compensation expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_lbl" xml:lang="en-US" id="id_14165682_3419569_12_1">Share-based payments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:to="ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ExpenseFromShareBasedPaymentTransactionsWithEmployeesShareBasedCompensationIncludingExpenseRelatingToRevaluationOfWithholdingTaxes" xlink:label="tri_ExpenseFromShareBasedPaymentTransactionsWithEmployeesShareBasedCompensationIncludingExpenseRelatingToRevaluationOfWithholdingTaxes"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ExpenseFromShareBasedPaymentTransactionsWithEmployeesShareBasedCompensationIncludingExpenseRelatingToRevaluationOfWithholdingTaxes_lbl" xml:lang="en-US" id="id_14165682_3464385_3_1">Expense From Share based Payment Transactions With Employees Share Based Compensation Including Expense Relating To Revaluation Of Withholding Taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ExpenseFromShareBasedPaymentTransactionsWithEmployeesShareBasedCompensationIncludingExpenseRelatingToRevaluationOfWithholdingTaxes_lbl" xml:lang="en-US" id="id_14165682_3464385_1_1">Expense From Share based Payment Transactions With Employees Share Based Compensation Including Expense Relating To Revaluation Of Withholding Taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ExpenseFromShareBasedPaymentTransactionsWithEmployeesShareBasedCompensationIncludingExpenseRelatingToRevaluationOfWithholdingTaxes_lbl" xml:lang="en-US" id="id_14165682_3464385_2_1">Share-based compensation expense including expense related to revaluation of withholding taxes on share-based awards</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ExpenseFromShareBasedPaymentTransactionsWithEmployeesShareBasedCompensationIncludingExpenseRelatingToRevaluationOfWithholdingTaxes" xlink:to="tri_ExpenseFromShareBasedPaymentTransactionsWithEmployeesShareBasedCompensationIncludingExpenseRelatingToRevaluationOfWithholdingTaxes_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ExpenseOfRestructuringActivities" xlink:label="ifrs-full_ExpenseOfRestructuringActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ExpenseOfRestructuringActivities_lbl" xml:lang="en-US" id="id_14165682_3419325_1_1">Expense of restructuring activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ExpenseOfRestructuringActivities_lbl" xml:lang="en-US" id="id_14165682_3419325_2_1">Restructuring charges</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExpenseOfRestructuringActivities" xlink:to="ifrs-full_ExpenseOfRestructuringActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ExpensesDiscontinuedOperations1" xlink:label="tri_ExpensesDiscontinuedOperations1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ExpensesDiscontinuedOperations1_lbl" xml:lang="en-US" id="id_14165682_3536817_3_1">Expenses discontinued operations1</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ExpensesDiscontinuedOperations1_lbl" xml:lang="en-US" id="id_14165682_3536817_1_1">Expenses discontinued operations1</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="tri_ExpensesDiscontinuedOperations1_lbl" xml:lang="en-US" id="id_14165682_3536817_14_1">Expenses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ExpensesDiscontinuedOperations1" xlink:to="tri_ExpensesDiscontinuedOperations1_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_FacilitiesRelatedMember" xlink:label="tri_FacilitiesRelatedMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_FacilitiesRelatedMember_lbl" xml:lang="en-US" id="id_14165682_3480301_3_1">Facilities-related.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_FacilitiesRelatedMember_lbl" xml:lang="en-US" id="id_14165682_3480301_1_1">Facilities Related [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_FacilitiesRelatedMember_lbl" xml:lang="en-US" id="id_14165682_3480301_2_1">Facilities-related [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_FacilitiesRelatedMember" xlink:to="tri_FacilitiesRelatedMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_FairValueAdjustments" xlink:label="tri_FairValueAdjustments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_FairValueAdjustments_lbl" xml:lang="en-US" id="id_14165682_3453259_3_1">Gains or losses due to changes in foreign currency exchange rates on intercompany balances that arise in the ordinary course of business.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_FairValueAdjustments_lbl" xml:lang="en-US" id="id_14165682_3453259_1_1">Fair Value Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_FairValueAdjustments_lbl" xml:lang="en-US" id="id_14165682_3453259_2_1">Fair value adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="tri_FairValueAdjustments_lbl" xml:lang="en-US" id="id_14165682_3453259_14_1">Fair value adjustments (see note 6)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_FairValueAdjustments" xlink:to="tri_FairValueAdjustments_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_FairValueInterestComponentOfCrossCurrencyInterestRateSwaps" xlink:label="tri_FairValueInterestComponentOfCrossCurrencyInterestRateSwaps"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_FairValueInterestComponentOfCrossCurrencyInterestRateSwaps_lbl" xml:lang="en-US" id="id_14165682_3433315_3_1">Fair value - interest component of cross-currency interest rate swaps.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_FairValueInterestComponentOfCrossCurrencyInterestRateSwaps_lbl" xml:lang="en-US" id="id_14165682_3433315_1_1">Fair value - interest component of cross - currency interest rate swaps</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_FairValueInterestComponentOfCrossCurrencyInterestRateSwaps_lbl" xml:lang="en-US" id="id_14165682_3433315_2_1">Fair value - interest component of cross-currency interest rate swaps</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_FairValueInterestComponentOfCrossCurrencyInterestRateSwaps" xlink:to="tri_FairValueInterestComponentOfCrossCurrencyInterestRateSwaps_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_FairValueOfCGUsInExcessOfCarryingValue" xlink:label="tri_FairValueOfCGUsInExcessOfCarryingValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_FairValueOfCGUsInExcessOfCarryingValue_lbl" xml:lang="en-US" id="id_14165682_3545989_3_1">Fair value of CGUs In excess of carrying value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_FairValueOfCGUsInExcessOfCarryingValue_lbl" xml:lang="en-US" id="id_14165682_3545989_1_1">Fair Value of CGUs In Excess Of Carrying Value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_FairValueOfCGUsInExcessOfCarryingValue_lbl" xml:lang="en-US" id="id_14165682_3545989_2_1">Goodwill impairment test</label>
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    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_FairValueOfEquity" xlink:label="tri_FairValueOfEquity"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_FairValueOfEquity_lbl" xml:lang="en-US" id="id_14165682_3446113_3_1">Market capitalization based on the product of the number of common shares outstanding and share price per common share at a specified point in time.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_FairValueOfEquity_lbl" xml:lang="en-US" id="id_14165682_3446113_1_1">Fair Value of Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_FairValueOfEquity_lbl" xml:lang="en-US" id="id_14165682_3446113_2_1">Equity at fair value</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_FairValueOfEquity" xlink:to="tri_FairValueOfEquity_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_FinanceIncomeCostAbstract" xlink:label="tri_FinanceIncomeCostAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_FinanceIncomeCostAbstract_lbl" xml:lang="en-US" id="id_14165682_3431477_3_1">Finance income cost.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_FinanceIncomeCostAbstract_lbl" xml:lang="en-US" id="id_14165682_3431477_1_1">Finance income cost [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_FinanceIncomeCostAbstract_lbl" xml:lang="en-US" id="id_14165682_3431477_2_1">Finance costs, net:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_FinanceIncomeCostAbstract" xlink:to="tri_FinanceIncomeCostAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_FinancialAndRiskMember" xlink:label="tri_FinancialAndRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_FinancialAndRiskMember_lbl" xml:lang="en-US" id="id_14165682_3480321_3_1">Financial and risk.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_FinancialAndRiskMember_lbl" xml:lang="en-US" id="id_14165682_3480321_1_1">Financial And Risk [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_FinancialAndRiskMember_lbl" xml:lang="en-US" id="id_14165682_3480321_2_1">Financial &amp; risk [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_FinancialAndRiskMember" xlink:to="tri_FinancialAndRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_FinancialAssetsAtFairValue" xlink:label="ifrs-full_FinancialAssetsAtFairValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialAssetsAtFairValue_lbl" xml:lang="en-US" id="id_14165682_3420049_1_1">Financial assets, at fair value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_FinancialAssetsAtFairValue_lbl" xml:lang="en-US" id="id_14165682_3420049_6_1">Total assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialAssetsAtFairValue" xlink:to="ifrs-full_FinancialAssetsAtFairValue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember_lbl" xml:lang="en-US" id="id_14165682_3419401_1_1">Financial assets at fair value through other comprehensive income, category [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember_lbl" xml:lang="en-US" id="id_14165682_3419401_2_1">Assets at Fair Value through Other Comprehensive Income [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:to="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss_lbl" xml:lang="en-US" id="id_14165682_3419402_1_1">Financial assets at fair value through profit or loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss_lbl" xml:lang="en-US" id="id_14165682_3419402_6_1">Financial assets at fair value through earnings</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss" xlink:to="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_FinancialAssetsAvailableforsale" xlink:label="ifrs-full_FinancialAssetsAvailableforsale"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialAssetsAvailableforsale_lbl" xml:lang="en-US" id="id_14165682_3419842_1_1">Financial assets available-for-sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialAssetsAvailableforsale_lbl" xml:lang="en-US" id="id_14165682_3419842_2_1">Available for sale investments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialAssetsAvailableforsale" xlink:to="ifrs-full_FinancialAssetsAvailableforsale_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_FinancialAssetsAvailableforsaleCategoryMember" xlink:label="ifrs-full_FinancialAssetsAvailableforsaleCategoryMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialAssetsAvailableforsaleCategoryMember_lbl" xml:lang="en-US" id="id_14165682_3420053_1_1">Financial assets available-for-sale, category [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialAssetsAvailableforsaleCategoryMember_lbl" xml:lang="en-US" id="id_14165682_3420053_2_1">Available for sale [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialAssetsAvailableforsaleCategoryMember" xlink:to="ifrs-full_FinancialAssetsAvailableforsaleCategoryMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_FinancialAssetsCategoryMember" xlink:label="ifrs-full_FinancialAssetsCategoryMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialAssetsCategoryMember_lbl" xml:lang="en-US" id="id_14165682_3420055_1_1">Financial assets, category [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialAssetsCategoryMember_lbl" xml:lang="en-US" id="id_14165682_3420055_2_1">Financial assets, category [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialAssetsCategoryMember" xlink:to="ifrs-full_FinancialAssetsCategoryMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_FinancialAssetsLiabilitiesNet" xlink:label="tri_FinancialAssetsLiabilitiesNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_FinancialAssetsLiabilitiesNet_lbl" xml:lang="en-US" id="id_14165682_3453356_3_1">Financial assets (liabilities), net.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_FinancialAssetsLiabilitiesNet_lbl" xml:lang="en-US" id="id_14165682_3453356_1_1">Financial Assets Liabilities Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="tri_FinancialAssetsLiabilitiesNet_lbl" xml:lang="en-US" id="id_14165682_3453356_6_1">Total</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_FinancialAssetsLiabilitiesNet" xlink:to="tri_FinancialAssetsLiabilitiesNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:label="ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome_lbl" xml:lang="en-US" id="id_14165682_3420294_1_1">Financial assets measured at fair value through other comprehensive income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome_lbl" xml:lang="en-US" id="id_14165682_3420294_2_1">Financial assets at fair value through other comprehensive income</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:to="ifrs-full_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_FinancialAssetsMember" xlink:label="ifrs-full_FinancialAssetsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3420713_1_1">Financial assets, class [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3420713_2_1">Financial assets, class [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialAssetsMember" xlink:to="ifrs-full_FinancialAssetsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_FinancialAssetsTypeMember" xlink:label="ifrs-full_FinancialAssetsTypeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialAssetsTypeMember_lbl" xml:lang="en-US" id="id_14165682_3420716_1_1">Financial assets, type [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialAssetsTypeMember_lbl" xml:lang="en-US" id="id_14165682_3420716_2_1">Financial assets, type [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialAssetsTypeMember" xlink:to="ifrs-full_FinancialAssetsTypeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_FinancialInstrumentsAtFairValueThroughProfitOrLoss" xlink:label="tri_FinancialInstrumentsAtFairValueThroughProfitOrLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_FinancialInstrumentsAtFairValueThroughProfitOrLoss_lbl" xml:lang="en-US" id="id_14165682_3433360_3_1">Financial Instruments at fair value through profit or loss.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_FinancialInstrumentsAtFairValueThroughProfitOrLoss_lbl" xml:lang="en-US" id="id_14165682_3433360_1_1">Financial Instruments at fair value through profit or loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_FinancialInstrumentsAtFairValueThroughProfitOrLoss_lbl" xml:lang="en-US" id="id_14165682_3433360_2_1">Fair Value Gain (Loss) Through Earnings</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_FinancialInstrumentsAtFairValueThroughProfitOrLoss" xlink:to="tri_FinancialInstrumentsAtFairValueThroughProfitOrLoss_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_FinancialInstrumentsDesignatedAsHedgingInstrumentsAtFairValue" xlink:label="ifrs-full_FinancialInstrumentsDesignatedAsHedgingInstrumentsAtFairValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialInstrumentsDesignatedAsHedgingInstrumentsAtFairValue_lbl" xml:lang="en-US" id="id_14165682_3420066_1_1">Financial instruments designated as hedging instruments, at fair value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialInstrumentsDesignatedAsHedgingInstrumentsAtFairValue_lbl" xml:lang="en-US" id="id_14165682_3420066_2_1">Derivatives used for hedging</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialInstrumentsDesignatedAsHedgingInstrumentsAtFairValue" xlink:to="ifrs-full_FinancialInstrumentsDesignatedAsHedgingInstrumentsAtFairValue_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_FinancialInstrumentsDesignatedAsHedgingInstrumentsMaturity" xlink:label="tri_FinancialInstrumentsDesignatedAsHedgingInstrumentsMaturity"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_FinancialInstrumentsDesignatedAsHedgingInstrumentsMaturity_lbl" xml:lang="en-US" id="id_14165682_3469889_3_1">Financial instruments designated as hedging instruments maturity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_FinancialInstrumentsDesignatedAsHedgingInstrumentsMaturity_lbl" xml:lang="en-US" id="id_14165682_3469889_1_1">Financial Instruments Designated As Hedging Instruments Maturity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_FinancialInstrumentsDesignatedAsHedgingInstrumentsMaturity_lbl" xml:lang="en-US" id="id_14165682_3469889_2_1">Year of Maturity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_FinancialInstrumentsDesignatedAsHedgingInstrumentsMaturity" xlink:to="tri_FinancialInstrumentsDesignatedAsHedgingInstrumentsMaturity_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_FinancialInstrumentsMeasuredAtFairValueThroughProfitOrLossBecauseCreditDerivativeIsUsedToManageCreditRiskAxis" xlink:label="ifrs-full_FinancialInstrumentsMeasuredAtFairValueThroughProfitOrLossBecauseCreditDerivativeIsUsedToManageCreditRiskAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialInstrumentsMeasuredAtFairValueThroughProfitOrLossBecauseCreditDerivativeIsUsedToManageCreditRiskAxis_lbl" xml:lang="en-US" id="id_14165682_3420092_1_1">Financial instruments measured at fair value through profit or loss because credit derivative is used to manage credit risk [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialInstrumentsMeasuredAtFairValueThroughProfitOrLossBecauseCreditDerivativeIsUsedToManageCreditRiskAxis_lbl" xml:lang="en-US" id="id_14165682_3420092_2_1">Financial instruments measured at fair value through profit or loss because credit derivative is used to manage credit risk [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialInstrumentsMeasuredAtFairValueThroughProfitOrLossBecauseCreditDerivativeIsUsedToManageCreditRiskAxis" xlink:to="ifrs-full_FinancialInstrumentsMeasuredAtFairValueThroughProfitOrLossBecauseCreditDerivativeIsUsedToManageCreditRiskAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_FinancialInstrumentsMeasuredAtFairValueThroughProfitOrLossBecauseCreditDerivativeIsUsedToManageCreditRiskMember" xlink:label="ifrs-full_FinancialInstrumentsMeasuredAtFairValueThroughProfitOrLossBecauseCreditDerivativeIsUsedToManageCreditRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialInstrumentsMeasuredAtFairValueThroughProfitOrLossBecauseCreditDerivativeIsUsedToManageCreditRiskMember_lbl" xml:lang="en-US" id="id_14165682_3420067_1_1">Financial instruments measured at fair value through profit or loss because credit derivative is used to manage credit risk [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialInstrumentsMeasuredAtFairValueThroughProfitOrLossBecauseCreditDerivativeIsUsedToManageCreditRiskMember_lbl" xml:lang="en-US" id="id_14165682_3420067_2_1">Financial instruments measured at fair value through profit or loss because credit derivative is used to manage credit risk [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialInstrumentsMeasuredAtFairValueThroughProfitOrLossBecauseCreditDerivativeIsUsedToManageCreditRiskMember" xlink:to="ifrs-full_FinancialInstrumentsMeasuredAtFairValueThroughProfitOrLossBecauseCreditDerivativeIsUsedToManageCreditRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialAssets" xlink:label="ifrs-full_FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3420725_1_1">Financial instruments subject to enforceable master netting arrangement or similar agreement not set off against financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3420725_2_1">Related Financial Liabilities Not Netted</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialAssets" xlink:to="ifrs-full_FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialLiabilities" xlink:label="ifrs-full_FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialLiabilities_lbl" xml:lang="en-US" id="id_14165682_3420309_1_1">Financial instruments subject to enforceable master netting arrangement or similar agreement not set off against financial liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialLiabilities_lbl" xml:lang="en-US" id="id_14165682_3420309_14_1">Related Financial Assets Not Netted</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialLiabilities" xlink:to="ifrs-full_FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_FinancialLiabilities" xlink:label="ifrs-full_FinancialLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialLiabilities_lbl" xml:lang="en-US" id="id_14165682_3420727_1_1">Financial liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_FinancialLiabilities_lbl" xml:lang="en-US" id="id_14165682_3420727_6_1">Total</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialLiabilities" xlink:to="ifrs-full_FinancialLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_FinancialLiabilitiesAtFairValue" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValue_lbl" xml:lang="en-US" id="id_14165682_3420314_1_1">Financial liabilities, at fair value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValue_lbl" xml:lang="en-US" id="id_14165682_3420314_6_1">Total liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialLiabilitiesAtFairValue" xlink:to="ifrs-full_FinancialLiabilitiesAtFairValue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss_lbl" xml:lang="en-US" id="id_14165682_3420315_1_1">Financial liabilities at fair value through profit or loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss_lbl" xml:lang="en-US" id="id_14165682_3420315_6_1">Financial liabilities at fair value through earnings</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss" xlink:to="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_FinancialLiabilitiesCategoryMember" xlink:label="ifrs-full_FinancialLiabilitiesCategoryMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialLiabilitiesCategoryMember_lbl" xml:lang="en-US" id="id_14165682_3420501_1_1">Financial liabilities, category [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialLiabilitiesCategoryMember_lbl" xml:lang="en-US" id="id_14165682_3420501_2_1">Financial liabilities, category [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialLiabilitiesCategoryMember" xlink:to="ifrs-full_FinancialLiabilitiesCategoryMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_FinancialLiabilitiesRecognisedAsOfAcquisitionDate" xlink:label="ifrs-full_FinancialLiabilitiesRecognisedAsOfAcquisitionDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialLiabilitiesRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3420506_1_1">Financial liabilities recognised as of acquisition date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_FinancialLiabilitiesRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3420506_14_1">Other financial liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialLiabilitiesRecognisedAsOfAcquisitionDate" xlink:to="ifrs-full_FinancialLiabilitiesRecognisedAsOfAcquisitionDate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_FinancialLiabilitiesTypeMember" xlink:label="ifrs-full_FinancialLiabilitiesTypeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FinancialLiabilitiesTypeMember_lbl" xml:lang="en-US" id="id_14165682_3420733_1_1">Financial liabilities, type [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FinancialLiabilitiesTypeMember_lbl" xml:lang="en-US" id="id_14165682_3420733_2_1">Financial liabilities, type [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FinancialLiabilitiesTypeMember" xlink:to="ifrs-full_FinancialLiabilitiesTypeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_FitchMember" xlink:label="tri_FitchMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_FitchMember_lbl" xml:lang="en-US" id="id_14165682_3509004_3_1">Fitch.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_FitchMember_lbl" xml:lang="en-US" id="id_14165682_3509004_1_1">Fitch [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_FitchMember_lbl" xml:lang="en-US" id="id_14165682_3509004_2_1">Fitch [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_FitchMember" xlink:to="tri_FitchMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_FivePointEightFiveDebenturesDueTwoThousandFortyMember" xlink:label="tri_FivePointEightFiveDebenturesDueTwoThousandFortyMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_FivePointEightFiveDebenturesDueTwoThousandFortyMember_lbl" xml:lang="en-US" id="id_14165682_3509138_3_1">Five point eight five debentures due two thousand forty.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_FivePointEightFiveDebenturesDueTwoThousandFortyMember_lbl" xml:lang="en-US" id="id_14165682_3509138_1_1">Five Point Eight Five Debentures Due Two Thousand Forty [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_FivePointEightFiveDebenturesDueTwoThousandFortyMember_lbl" xml:lang="en-US" id="id_14165682_3509138_2_1">5.85% debentures, due 2040 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_FivePointEightFiveDebenturesDueTwoThousandFortyMember" xlink:to="tri_FivePointEightFiveDebenturesDueTwoThousandFortyMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_FivePointFiveZeroDebenturesDueTwoThousandThirtyFiveMember" xlink:label="tri_FivePointFiveZeroDebenturesDueTwoThousandThirtyFiveMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_FivePointFiveZeroDebenturesDueTwoThousandThirtyFiveMember_lbl" xml:lang="en-US" id="id_14165682_3509139_3_1">Five point five zero debentures due two thousand thirty five.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_FivePointFiveZeroDebenturesDueTwoThousandThirtyFiveMember_lbl" xml:lang="en-US" id="id_14165682_3509139_1_1">Five Point Five Zero Debentures Due Two Thousand Thirty Five [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_FivePointFiveZeroDebenturesDueTwoThousandThirtyFiveMember_lbl" xml:lang="en-US" id="id_14165682_3509139_2_1">5.50% debentures, due 2035 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_FivePointFiveZeroDebenturesDueTwoThousandThirtyFiveMember" xlink:to="tri_FivePointFiveZeroDebenturesDueTwoThousandThirtyFiveMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_FivePointSixFiveNotesDueTwoThousandFortyThreeMember" xlink:label="tri_FivePointSixFiveNotesDueTwoThousandFortyThreeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_FivePointSixFiveNotesDueTwoThousandFortyThreeMember_lbl" xml:lang="en-US" id="id_14165682_3509160_3_1">Five point six five notes due two thousand forty three.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_FivePointSixFiveNotesDueTwoThousandFortyThreeMember_lbl" xml:lang="en-US" id="id_14165682_3509160_1_1">Five Point Six Five Notes Due Two Thousand Forty Three [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_FivePointSixFiveNotesDueTwoThousandFortyThreeMember_lbl" xml:lang="en-US" id="id_14165682_3509160_2_1">5.65% notes, due 2043 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_FivePointSixFiveNotesDueTwoThousandFortyThreeMember" xlink:to="tri_FivePointSixFiveNotesDueTwoThousandFortyThreeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_FixedRateOfInstrumentsAbstract" xlink:label="tri_FixedRateOfInstrumentsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_FixedRateOfInstrumentsAbstract_lbl" xml:lang="en-US" id="id_14165682_3426673_3_1">Fixed rate of instruments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_FixedRateOfInstrumentsAbstract_lbl" xml:lang="en-US" id="id_14165682_3426673_1_1">Fixed Rate of Instruments [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_FixedRateOfInstrumentsAbstract_lbl" xml:lang="en-US" id="id_14165682_3426673_2_1">Fixed Rate of Instruments [abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_FixedRateOfInstrumentsAbstract" xlink:to="tri_FixedRateOfInstrumentsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_FixturesAndFittingsMember" xlink:label="ifrs-full_FixturesAndFittingsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FixturesAndFittingsMember_lbl" xml:lang="en-US" id="id_14165682_3420517_1_1">Fixtures and fittings [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FixturesAndFittingsMember_lbl" xml:lang="en-US" id="id_14165682_3420517_2_1">Furniture, fixtures and equipment [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FixturesAndFittingsMember" xlink:to="ifrs-full_FixturesAndFittingsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ForeignExchangeContractsMember" xlink:label="tri_ForeignExchangeContractsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ForeignExchangeContractsMember_lbl" xml:lang="en-US" id="id_14165682_3531491_3_1">Foreign exchange contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ForeignExchangeContractsMember_lbl" xml:lang="en-US" id="id_14165682_3531491_1_1">Foreign Exchange Contracts [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ForeignExchangeContractsMember_lbl" xml:lang="en-US" id="id_14165682_3531491_2_1">Foreign exchange contracts [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ForeignExchangeContractsMember" xlink:to="tri_ForeignExchangeContractsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ForwardExchangeContractsAssetPosition" xlink:label="tri_ForwardExchangeContractsAssetPosition"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ForwardExchangeContractsAssetPosition_lbl" xml:lang="en-US" id="id_14165682_3447582_3_1">Forward exchange contracts - asset position.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ForwardExchangeContractsAssetPosition_lbl" xml:lang="en-US" id="id_14165682_3447582_1_1">Forward exchange contracts - asset position</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ForwardExchangeContractsAssetPosition_lbl" xml:lang="en-US" id="id_14165682_3447582_2_1">Forward exchange contracts</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ForwardExchangeContractsAssetPosition" xlink:to="tri_ForwardExchangeContractsAssetPosition_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ForwardExchangeContractsLiabilityPosition" xlink:label="tri_ForwardExchangeContractsLiabilityPosition"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ForwardExchangeContractsLiabilityPosition_lbl" xml:lang="en-US" id="id_14165682_3447583_3_1">Forward exchange contracts - liability position.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ForwardExchangeContractsLiabilityPosition_lbl" xml:lang="en-US" id="id_14165682_3447583_1_1">Forward exchange contracts - liability position</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ForwardExchangeContractsLiabilityPosition_lbl" xml:lang="en-US" id="id_14165682_3447583_2_1">Forward exchange contracts</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ForwardExchangeContractsLiabilityPosition" xlink:to="tri_ForwardExchangeContractsLiabilityPosition_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ForwardInterestRateSwapsCashFlowHedgesMember" xlink:label="tri_ForwardInterestRateSwapsCashFlowHedgesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ForwardInterestRateSwapsCashFlowHedgesMember_lbl" xml:lang="en-US" id="id_14165682_3509133_3_1">Forward interest rate swaps - cash flow hedges.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ForwardInterestRateSwapsCashFlowHedgesMember_lbl" xml:lang="en-US" id="id_14165682_3509133_1_1">Forward interest rate swaps - cash flow hedges [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ForwardInterestRateSwapsCashFlowHedgesMember_lbl" xml:lang="en-US" id="id_14165682_3509133_2_1">Forward interest rate swaps - cash flow hedges [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ForwardInterestRateSwapsCashFlowHedgesMember" xlink:to="tri_ForwardInterestRateSwapsCashFlowHedgesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_FourPointFiveZeroNotesDueTwoThousandFortyThreeMember" xlink:label="tri_FourPointFiveZeroNotesDueTwoThousandFortyThreeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_FourPointFiveZeroNotesDueTwoThousandFortyThreeMember_lbl" xml:lang="en-US" id="id_14165682_3509159_3_1">Four point five zero notes due two thousand forty three.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_FourPointFiveZeroNotesDueTwoThousandFortyThreeMember_lbl" xml:lang="en-US" id="id_14165682_3509159_1_1">Four Point Five Zero Notes Due Two Thousand Forty Three [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_FourPointFiveZeroNotesDueTwoThousandFortyThreeMember_lbl" xml:lang="en-US" id="id_14165682_3509159_2_1">4.50% Notes, Due 2043 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_FourPointFiveZeroNotesDueTwoThousandFortyThreeMember" xlink:to="tri_FourPointFiveZeroNotesDueTwoThousandFortyThreeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_FourPointSevenZeroNotesDueTwoThousandNineteenMember" xlink:label="tri_FourPointSevenZeroNotesDueTwoThousandNineteenMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_FourPointSevenZeroNotesDueTwoThousandNineteenMember_lbl" xml:lang="en-US" id="id_14165682_3509154_3_1">Four point seven zero notes due two thousand nineteen.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_FourPointSevenZeroNotesDueTwoThousandNineteenMember_lbl" xml:lang="en-US" id="id_14165682_3509154_1_1">Four Point Seven Zero Notes Due Two Thousand Nineteen [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_FourPointSevenZeroNotesDueTwoThousandNineteenMember_lbl" xml:lang="en-US" id="id_14165682_3509154_2_1">4.70% Notes, Due 2019 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_FourPointSevenZeroNotesDueTwoThousandNineteenMember" xlink:to="tri_FourPointSevenZeroNotesDueTwoThousandNineteenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_FourPointThreeFiveNotesDueTwoThousandTwentyMember" xlink:label="tri_FourPointThreeFiveNotesDueTwoThousandTwentyMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_FourPointThreeFiveNotesDueTwoThousandTwentyMember_lbl" xml:lang="en-US" id="id_14165682_3509163_3_1">Four point three five notes due two thousand twenty.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_FourPointThreeFiveNotesDueTwoThousandTwentyMember_lbl" xml:lang="en-US" id="id_14165682_3509163_1_1">Four Point Three Five Notes Due Two Thousand Twenty [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_FourPointThreeFiveNotesDueTwoThousandTwentyMember_lbl" xml:lang="en-US" id="id_14165682_3509163_2_1">4.35% Notes, Due 2020 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_FourPointThreeFiveNotesDueTwoThousandTwentyMember" xlink:to="tri_FourPointThreeFiveNotesDueTwoThousandTwentyMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_FourPointThreeZeroNotesDueTwoThousandTwentyThreeMember" xlink:label="tri_FourPointThreeZeroNotesDueTwoThousandTwentyThreeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_FourPointThreeZeroNotesDueTwoThousandTwentyThreeMember_lbl" xml:lang="en-US" id="id_14165682_3509156_3_1">Four point three zero notes due two thousand twenty three.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_FourPointThreeZeroNotesDueTwoThousandTwentyThreeMember_lbl" xml:lang="en-US" id="id_14165682_3509156_1_1">Four Point Three Zero Notes Due Two Thousand Twenty Three [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_FourPointThreeZeroNotesDueTwoThousandTwentyThreeMember_lbl" xml:lang="en-US" id="id_14165682_3509156_2_1">4.30% notes, due 2023 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_FourPointThreeZeroNotesDueTwoThousandTwentyThreeMember" xlink:to="tri_FourPointThreeZeroNotesDueTwoThousandTwentyThreeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_FullRedemptionMember" xlink:label="tri_FullRedemptionMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_FullRedemptionMember_lbl" xml:lang="en-US" id="id_14165682_3541823_3_1">Full redemption.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_FullRedemptionMember_lbl" xml:lang="en-US" id="id_14165682_3541823_1_1">Full Redemption [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_FullRedemptionMember_lbl" xml:lang="en-US" id="id_14165682_3541823_2_1">Full Redemption [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_FullRedemptionMember" xlink:to="tri_FullRedemptionMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_FundedPlansMember" xlink:label="tri_FundedPlansMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_FundedPlansMember_lbl" xml:lang="en-US" id="id_14165682_3536708_3_1">Funded plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_FundedPlansMember_lbl" xml:lang="en-US" id="id_14165682_3536708_1_1">Funded Plans [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_FundedPlansMember_lbl" xml:lang="en-US" id="id_14165682_3536708_2_1">Funded Plans [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_FundedPlansMember" xlink:to="tri_FundedPlansMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_FutureFinanceChargeOnFinanceLease" xlink:label="ifrs-full_FutureFinanceChargeOnFinanceLease"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FutureFinanceChargeOnFinanceLease_lbl" xml:lang="en-US" id="id_14165682_3420336_1_1">Future finance charge on finance lease</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_FutureFinanceChargeOnFinanceLease_lbl" xml:lang="en-US" id="id_14165682_3420336_2_1">Future aggregate minimum lease payments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FutureFinanceChargeOnFinanceLease" xlink:to="ifrs-full_FutureFinanceChargeOnFinanceLease_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_FuturePaymentCommitmentsUnderPurchaseObligationsAbstract" xlink:label="tri_FuturePaymentCommitmentsUnderPurchaseObligationsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_FuturePaymentCommitmentsUnderPurchaseObligationsAbstract_lbl" xml:lang="en-US" id="id_14165682_3431396_3_1">Future Payment Commitments Under Purchase Obligations Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_FuturePaymentCommitmentsUnderPurchaseObligationsAbstract_lbl" xml:lang="en-US" id="id_14165682_3431396_1_1">Future Payment Commitments Under Purchase Obligations Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_FuturePaymentCommitmentsUnderPurchaseObligationsAbstract_lbl" xml:lang="en-US" id="id_14165682_3431396_2_1">Future Payment Commitments Under Purchase Obligations Abstract</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_FuturePaymentCommitmentsUnderPurchaseObligationsAbstract" xlink:to="tri_FuturePaymentCommitmentsUnderPurchaseObligationsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_FutureUnconditionalPurchaseCommitment" xlink:label="tri_FutureUnconditionalPurchaseCommitment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_FutureUnconditionalPurchaseCommitment_lbl" xml:lang="en-US" id="id_14165682_3550918_3_1">Future Unconditional Purchase commitment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_FutureUnconditionalPurchaseCommitment_lbl" xml:lang="en-US" id="id_14165682_3550918_1_1">Future Unconditional Purchase commitment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_FutureUnconditionalPurchaseCommitment_lbl" xml:lang="en-US" id="id_14165682_3550918_2_1">Purchase obligations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_FutureUnconditionalPurchaseCommitment" xlink:to="tri_FutureUnconditionalPurchaseCommitment_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_FutureUnconditionalPurchaseObligations" xlink:label="tri_FutureUnconditionalPurchaseObligations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_FutureUnconditionalPurchaseObligations_lbl" xml:lang="en-US" id="id_14165682_3433244_3_1">Future unconditional purchase obligations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_FutureUnconditionalPurchaseObligations_lbl" xml:lang="en-US" id="id_14165682_3433244_1_1">Future Unconditional Purchase Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_FutureUnconditionalPurchaseObligations_lbl" xml:lang="en-US" id="id_14165682_3433244_2_1">Future unconditional purchase obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="tri_FutureUnconditionalPurchaseObligations_lbl" xml:lang="en-US" id="id_14165682_3433244_12_1">Purchase obligations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_FutureUnconditionalPurchaseObligations" xlink:to="tri_FutureUnconditionalPurchaseObligations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_GainLossOnChangesInEffectOfLimitingNetDefinedBenefitAssetToAssetCeiling" xlink:label="ifrs-full_GainLossOnChangesInEffectOfLimitingNetDefinedBenefitAssetToAssetCeiling"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GainLossOnChangesInEffectOfLimitingNetDefinedBenefitAssetToAssetCeiling_lbl" xml:lang="en-US" id="id_14165682_3420539_1_1">Gain (loss) on changes in effect of limiting net defined benefit asset to asset ceiling excluding interest income or expense, net defined benefit liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GainLossOnChangesInEffectOfLimitingNetDefinedBenefitAssetToAssetCeiling_lbl" xml:lang="en-US" id="id_14165682_3420539_2_1">Change in irrecoverable surplus other than interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GainLossOnChangesInEffectOfLimitingNetDefinedBenefitAssetToAssetCeiling" xlink:to="ifrs-full_GainLossOnChangesInEffectOfLimitingNetDefinedBenefitAssetToAssetCeiling_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset" xlink:label="ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3420125_1_1">Gain (loss) on remeasurement, net defined benefit liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3420125_2_1">Total recognized in other comprehensive (income) loss before taxation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3420125_14_1">Actuarial gains</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset" xlink:to="ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAssetAbstract" xlink:label="ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAssetAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAssetAbstract_lbl" xml:lang="en-US" id="id_14165682_3420541_1_1">Gain (loss) on remeasurement, net defined benefit liability (asset) [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAssetAbstract_lbl" xml:lang="en-US" id="id_14165682_3420541_2_1">Remeasurement (gains) losses on defined benefit obligation:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAssetAbstract" xlink:to="ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAssetAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation" xlink:label="ifrs-full_GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation_lbl" xml:lang="en-US" id="id_14165682_3420757_1_1">Gain (loss) recognised on measurement to fair value less costs to sell or on disposal of assets or disposal groups constituting discontinued operation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation_lbl" xml:lang="en-US" id="id_14165682_3420757_2_1">Gain on sale before income tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation_lbl" xml:lang="en-US" id="id_14165682_3420757_12_1">Gain on sale of discontinued operations before income tax</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation" xlink:to="ifrs-full_GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_GainOnSaleOfSubsidiary" xlink:label="tri_GainOnSaleOfSubsidiary"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_GainOnSaleOfSubsidiary_lbl" xml:lang="en-US" id="id_14165682_3530136_3_1">Gain on sale of subsidiary.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_GainOnSaleOfSubsidiary_lbl" xml:lang="en-US" id="id_14165682_3530136_1_1">Gain On Sale Of Subsidiary</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_GainOnSaleOfSubsidiary_lbl" xml:lang="en-US" id="id_14165682_3530136_2_1">Gain recorded on sale of subsidiaries</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_GainOnSaleOfSubsidiary" xlink:to="tri_GainOnSaleOfSubsidiary_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_GainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset" xlink:label="ifrs-full_GainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3420759_1_1">Gains (losses) arising from settlements, net defined benefit liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3420759_2_1">Settlement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_GainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3420759_12_1">Settlement loss of annuity contract from third party</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_GainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3420759_14_1">Settlement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="ifrs-full_GainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3420759_18_1">Settlement loss</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset" xlink:to="ifrs-full_GainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_GainsLossesOnCashFlowHedgesNetOfTax" xlink:label="ifrs-full_GainsLossesOnCashFlowHedgesNetOfTax"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GainsLossesOnCashFlowHedgesNetOfTax_lbl" xml:lang="en-US" id="id_14165682_3420343_1_1">Gains (losses) on cash flow hedges, net of tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GainsLossesOnCashFlowHedgesNetOfTax_lbl" xml:lang="en-US" id="id_14165682_3420343_2_1">Cash flow hedges adjustments to equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GainsLossesOnCashFlowHedgesNetOfTax" xlink:to="ifrs-full_GainsLossesOnCashFlowHedgesNetOfTax_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:label="ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives_lbl" xml:lang="en-US" id="id_14165682_3420760_1_1">Gains (losses) on change in fair value of derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives_lbl" xml:lang="en-US" id="id_14165682_3420760_14_1">Net (gains) losses on derivative instruments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:to="ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_GainsLossesOnChangeInFairValueOfDerivativesLineItems" xlink:label="tri_GainsLossesOnChangeInFairValueOfDerivativesLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_GainsLossesOnChangeInFairValueOfDerivativesLineItems_lbl" xml:lang="en-US" id="id_14165682_3431163_3_1">Gains (losses) on change in fair value of derivatives.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_GainsLossesOnChangeInFairValueOfDerivativesLineItems_lbl" xml:lang="en-US" id="id_14165682_3431163_1_1">Gains (losses) on change in fair value of derivatives [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_GainsLossesOnChangeInFairValueOfDerivativesLineItems_lbl" xml:lang="en-US" id="id_14165682_3431163_2_1">Gains (losses) on change in fair value of derivatives [line items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_GainsLossesOnChangeInFairValueOfDerivativesLineItems" xlink:to="tri_GainsLossesOnChangeInFairValueOfDerivativesLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_GainsLossesOnChangeInFairValueOfDerivativesTable" xlink:label="tri_GainsLossesOnChangeInFairValueOfDerivativesTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_GainsLossesOnChangeInFairValueOfDerivativesTable_lbl" xml:lang="en-US" id="id_14165682_3474394_3_1">Gains (losses) on change in fair value of derivatives [table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_GainsLossesOnChangeInFairValueOfDerivativesTable_lbl" xml:lang="en-US" id="id_14165682_3474394_1_1">Gains (losses) on change in fair value of derivatives [table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_GainsLossesOnChangeInFairValueOfDerivativesTable_lbl" xml:lang="en-US" id="id_14165682_3474394_2_1">Gains (losses) on change in fair value of derivatives [table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_GainsLossesOnChangeInFairValueOfDerivativesTable" xlink:to="tri_GainsLossesOnChangeInFairValueOfDerivativesTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:label="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss_lbl" xml:lang="en-US" id="id_14165682_3420553_1_1">Foreign exchange gain (loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss_lbl" xml:lang="en-US" id="id_14165682_3420553_14_1">Net (gains) losses due to changes in foreign currency exchange rates</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:to="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xlink:label="ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax_lbl" xml:lang="en-US" id="id_14165682_3420767_1_1">Gains (losses) on financial assets measured at fair value through other comprehensive income, net of tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax_lbl" xml:lang="en-US" id="id_14165682_3420767_2_1">Fair Value Gain (Loss) Through Equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xlink:to="ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_GainsLossesOnFinancialInstrumentsAbstract" xlink:label="ifrs-full_GainsLossesOnFinancialInstrumentsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GainsLossesOnFinancialInstrumentsAbstract_lbl" xml:lang="en-US" id="id_14165682_3420137_1_1">Gains (losses) on financial instruments [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GainsLossesOnFinancialInstrumentsAbstract_lbl" xml:lang="en-US" id="id_14165682_3420137_2_1">Fair value (gains) losses on financial instruments:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GainsLossesOnFinancialInstrumentsAbstract" xlink:to="ifrs-full_GainsLossesOnFinancialInstrumentsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_GainsLossesRecognizedInProfitLossAriseFromForeignCurrencyTranslationRelatedToDebt" xlink:label="tri_GainsLossesRecognizedInProfitLossAriseFromForeignCurrencyTranslationRelatedToDebt"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_GainsLossesRecognizedInProfitLossAriseFromForeignCurrencyTranslationRelatedToDebt_lbl" xml:lang="en-US" id="id_14165682_3455932_3_1">The amount of exchange differences recognised in profit or loss that arise from foreign currency transactions related to with debt instruments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_GainsLossesRecognizedInProfitLossAriseFromForeignCurrencyTranslationRelatedToDebt_lbl" xml:lang="en-US" id="id_14165682_3455932_1_1">(Gains) Losses recognized in profit loss arise from foreign currency translation Related to debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_GainsLossesRecognizedInProfitLossAriseFromForeignCurrencyTranslationRelatedToDebt_lbl" xml:lang="en-US" id="id_14165682_3455932_2_1">Net foreign exchange (gains) losses on debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_GainsLossesRecognizedInProfitLossAriseFromForeignCurrencyTranslationRelatedToDebt" xlink:to="tri_GainsLossesRecognizedInProfitLossAriseFromForeignCurrencyTranslationRelatedToDebt_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_GB" xlink:label="country_GB"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_GB_lbl" xml:lang="en-US" id="id_14165682_3420374_1_1">UNITED KINGDOM</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="country_GB_lbl" xml:lang="en-US" id="id_14165682_3420374_2_1">U.K. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_GB" xlink:to="country_GB_lbl"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2017/currency-2017-01-31.xsd#currency_GBP" xlink:label="currency_GBP"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="currency_GBP_lbl" xml:lang="en-US" id="id_14165682_3420153_1_1">United Kingdom, Pounds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="currency_GBP_lbl" xml:lang="en-US" id="id_14165682_3420153_2_1">British Pounds Sterling [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="currency_GBP" xlink:to="currency_GBP_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_GeographicalAreasAxis" xlink:label="ifrs-full_GeographicalAreasAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GeographicalAreasAxis_lbl" xml:lang="en-US" id="id_14165682_3420782_1_1">Geographical areas [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GeographicalAreasAxis_lbl" xml:lang="en-US" id="id_14165682_3420782_2_1">Geographical areas [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_GeographicalAreasMember" xlink:label="ifrs-full_GeographicalAreasMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GeographicalAreasMember_lbl" xml:lang="en-US" id="id_14165682_3420376_1_1">Geographical areas [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GeographicalAreasMember_lbl" xml:lang="en-US" id="id_14165682_3420376_2_1">Geographical areas [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GeographicalAreasMember" xlink:to="ifrs-full_GeographicalAreasMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_GlobalPrintMember" xlink:label="tri_GlobalPrintMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_GlobalPrintMember_lbl" xml:lang="en-US" id="id_14165682_3537219_3_1">Global print.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_GlobalPrintMember_lbl" xml:lang="en-US" id="id_14165682_3537219_1_1">Global Print [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_GlobalPrintMember_lbl" xml:lang="en-US" id="id_14165682_3537219_2_1">Global Print [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_GlobalPrintMember" xlink:to="tri_GlobalPrintMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_GoodsAndServicesExpenses" xlink:label="tri_GoodsAndServicesExpenses"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_GoodsAndServicesExpenses_lbl" xml:lang="en-US" id="id_14165682_3453255_3_1">Professional fees, consulting and outsourcing services, contractors, selling and marketing, and other general and administrative costs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_GoodsAndServicesExpenses_lbl" xml:lang="en-US" id="id_14165682_3453255_1_1">Goods And Services Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_GoodsAndServicesExpenses_lbl" xml:lang="en-US" id="id_14165682_3453255_2_1">Goods and services</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_GoodsAndServicesExpenses" xlink:to="tri_GoodsAndServicesExpenses_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_Goodwill" xlink:label="ifrs-full_Goodwill"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Goodwill_lbl" xml:lang="en-US" id="id_14165682_3420792_1_1">Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_Goodwill_lbl" xml:lang="en-US" id="id_14165682_3420792_4_1">Balance at end of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_Goodwill_lbl" xml:lang="en-US" id="id_14165682_3420792_5_1">Balance at beginning of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_Goodwill_lbl" xml:lang="en-US" id="id_14165682_3420792_2_1">Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_Goodwill_lbl" xml:lang="en-US" id="id_14165682_3420792_14_1">Goodwill</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Goodwill" xlink:to="ifrs-full_Goodwill_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_GoodwillAndOtherIdentifiableIntangibleAssetsMember" xlink:label="tri_GoodwillAndOtherIdentifiableIntangibleAssetsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_GoodwillAndOtherIdentifiableIntangibleAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3509122_3_1">Goodwill and other identifiable intangible assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_GoodwillAndOtherIdentifiableIntangibleAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3509122_1_1">Goodwill And Other Identifiable Intangible Assets [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_GoodwillAndOtherIdentifiableIntangibleAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3509122_2_1">Goodwill and Other Identifiable Intangible Assets [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_GoodwillAndOtherIdentifiableIntangibleAssetsMember" xlink:to="tri_GoodwillAndOtherIdentifiableIntangibleAssetsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" xlink:label="ifrs-full_GoodwillRecognisedAsOfAcquisitionDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GoodwillRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3420794_1_1">Goodwill recognised as of acquisition date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GoodwillRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3420794_2_1">Goodwill</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" xlink:to="ifrs-full_GoodwillRecognisedAsOfAcquisitionDate_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_GovernmentBondsMember" xlink:label="tri_GovernmentBondsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_GovernmentBondsMember_lbl" xml:lang="en-US" id="id_14165682_3478963_3_1">Government bonds.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_GovernmentBondsMember_lbl" xml:lang="en-US" id="id_14165682_3478963_1_1">Government bonds [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_GovernmentBondsMember_lbl" xml:lang="en-US" id="id_14165682_3478963_2_1">Government Bonds [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_GovernmentBondsMember" xlink:to="tri_GovernmentBondsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_GrossCarryingAmountMember" xlink:label="ifrs-full_GrossCarryingAmountMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GrossCarryingAmountMember_lbl" xml:lang="en-US" id="id_14165682_3420576_1_1">Gross carrying amount [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GrossCarryingAmountMember_lbl" xml:lang="en-US" id="id_14165682_3420576_2_1">Gross carrying amount [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GrossCarryingAmountMember" xlink:to="ifrs-full_GrossCarryingAmountMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:label="ifrs-full_GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements_lbl" xml:lang="en-US" id="id_14165682_3420799_1_1">Gross financial assets set off against financial liabilities subject to offsetting, enforceable master netting arrangements or similar agreements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements_lbl" xml:lang="en-US" id="id_14165682_3420799_14_1">Gross Financial Assets Netted Against Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:to="ifrs-full_GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_GrossFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:label="ifrs-full_GrossFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GrossFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements_lbl" xml:lang="en-US" id="id_14165682_3420800_1_1">Gross financial assets subject to offsetting, enforceable master netting arrangements or similar agreements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GrossFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements_lbl" xml:lang="en-US" id="id_14165682_3420800_2_1">Gross Financial Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GrossFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:to="ifrs-full_GrossFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:label="ifrs-full_GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements_lbl" xml:lang="en-US" id="id_14165682_3420171_1_1">Gross financial liabilities set off against financial assets subject to offsetting, enforceable master netting arrangements or similar agreements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements_lbl" xml:lang="en-US" id="id_14165682_3420171_2_1">Gross Financial Liabilities Netted Against Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:to="ifrs-full_GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_GrossFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:label="ifrs-full_GrossFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GrossFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements_lbl" xml:lang="en-US" id="id_14165682_3420387_1_1">Gross financial liabilities subject to offsetting, enforceable master netting arrangements or similar agreements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GrossFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements_lbl" xml:lang="en-US" id="id_14165682_3420387_2_1">Gross Financial Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GrossFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:to="ifrs-full_GrossFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_GrossLoanCommitments" xlink:label="ifrs-full_GrossLoanCommitments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GrossLoanCommitments_lbl" xml:lang="en-US" id="id_14165682_3420388_1_1">Gross loan commitments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_GrossLoanCommitments_lbl" xml:lang="en-US" id="id_14165682_3420388_2_1">Gross loan commitments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GrossLoanCommitments" xlink:to="ifrs-full_GrossLoanCommitments_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_HedgedInterestExpenseMember" xlink:label="tri_HedgedInterestExpenseMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_HedgedInterestExpenseMember_lbl" xml:lang="en-US" id="id_14165682_3546024_3_1">Hedged interest expense.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_HedgedInterestExpenseMember_lbl" xml:lang="en-US" id="id_14165682_3546024_1_1">Hedged Interest Expense [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_HedgedInterestExpenseMember_lbl" xml:lang="en-US" id="id_14165682_3546024_2_1">Hedged interest expense [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_HedgedInterestExpenseMember" xlink:to="tri_HedgedInterestExpenseMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_HedgedItemsAxis" xlink:label="ifrs-full_HedgedItemsAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_HedgedItemsAxis_lbl" xml:lang="en-US" id="id_14165682_3420398_1_1">Hedged items [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_HedgedItemsAxis_lbl" xml:lang="en-US" id="id_14165682_3420398_2_1">Hedged items [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_HedgedItemsAxis" xlink:to="ifrs-full_HedgedItemsAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_HedgedItemsMember" xlink:label="ifrs-full_HedgedItemsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_HedgedItemsMember_lbl" xml:lang="en-US" id="id_14165682_3420181_1_1">Hedged items [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_HedgedItemsMember_lbl" xml:lang="en-US" id="id_14165682_3420181_2_1">Hedged items [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_HedgedItemsMember" xlink:to="ifrs-full_HedgedItemsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" xlink:label="ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed_lbl" xml:lang="en-US" id="id_14165682_3420606_1_1">Identifiable assets acquired (liabilities assumed)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed_lbl" xml:lang="en-US" id="id_14165682_3420606_6_1">Net assets acquired</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" xlink:to="ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate" xlink:label="ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3420413_1_1">Identifiable intangible assets recognised as of acquisition date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3420413_2_1">Identifiable intangible assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate" xlink:to="ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_IFRS16Member" xlink:label="tri_IFRS16Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_IFRS16Member_lbl" xml:lang="en-US" id="id_14165682_3512331_3_1">IFRS 16</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_IFRS16Member_lbl" xml:lang="en-US" id="id_14165682_3512331_1_1">IFRS 16 [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_IFRS16Member_lbl" xml:lang="en-US" id="id_14165682_3512331_2_1">IFRS 16 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_IFRS16Member" xlink:to="tri_IFRS16Member_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ImpactOnEarningsDueToChangesInForeignCurrencyExchangeRatesDueToChangesInForeignCurrencyExchangeRates" xlink:label="tri_ImpactOnEarningsDueToChangesInForeignCurrencyExchangeRatesDueToChangesInForeignCurrencyExchangeRates"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ImpactOnEarningsDueToChangesInForeignCurrencyExchangeRatesDueToChangesInForeignCurrencyExchangeRates_lbl" xml:lang="en-US" id="id_14165682_3433596_3_1">Impact on earnings due to changes in foreign currency exchange rates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ImpactOnEarningsDueToChangesInForeignCurrencyExchangeRatesDueToChangesInForeignCurrencyExchangeRates_lbl" xml:lang="en-US" id="id_14165682_3433596_1_1">Impact On Earnings Due To Changes In Foreign Currency Exchange Rates Due To Changes In Foreign Currency Exchange Rates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ImpactOnEarningsDueToChangesInForeignCurrencyExchangeRatesDueToChangesInForeignCurrencyExchangeRates_lbl" xml:lang="en-US" id="id_14165682_3433596_2_1">Total impact on earnings</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ImpactOnEarningsDueToChangesInForeignCurrencyExchangeRatesDueToChangesInForeignCurrencyExchangeRates" xlink:to="tri_ImpactOnEarningsDueToChangesInForeignCurrencyExchangeRatesDueToChangesInForeignCurrencyExchangeRates_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ImpactOnEarningsFromFinancialAssetsAndLiabilitiesDueToChangesInForeignCurrencyExchangeRates" xlink:label="tri_ImpactOnEarningsFromFinancialAssetsAndLiabilitiesDueToChangesInForeignCurrencyExchangeRates"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ImpactOnEarningsFromFinancialAssetsAndLiabilitiesDueToChangesInForeignCurrencyExchangeRates_lbl" xml:lang="en-US" id="id_14165682_3433594_3_1">Impact on earnings from financial assets and liabilities due to changes in foreign currency exchange rates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ImpactOnEarningsFromFinancialAssetsAndLiabilitiesDueToChangesInForeignCurrencyExchangeRates_lbl" xml:lang="en-US" id="id_14165682_3433594_1_1">Impact On Earnings From Financial Assets And Liabilities Due To Changes In Foreign Currency Exchange Rates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ImpactOnEarningsFromFinancialAssetsAndLiabilitiesDueToChangesInForeignCurrencyExchangeRates_lbl" xml:lang="en-US" id="id_14165682_3433594_2_1">Impact on earnings from financial assets and liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ImpactOnEarningsFromFinancialAssetsAndLiabilitiesDueToChangesInForeignCurrencyExchangeRates" xlink:to="tri_ImpactOnEarningsFromFinancialAssetsAndLiabilitiesDueToChangesInForeignCurrencyExchangeRates_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ImpactOnEarningsFromNonpermanentIntercompanyLoansDueToChangesInForeignCurrencyExchangeRates" xlink:label="tri_ImpactOnEarningsFromNonpermanentIntercompanyLoansDueToChangesInForeignCurrencyExchangeRates"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ImpactOnEarningsFromNonpermanentIntercompanyLoansDueToChangesInForeignCurrencyExchangeRates_lbl" xml:lang="en-US" id="id_14165682_3433595_3_1">Impact on earnings from non-permanent inter-company loans due to changes in foreign currency exchange rates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ImpactOnEarningsFromNonpermanentIntercompanyLoansDueToChangesInForeignCurrencyExchangeRates_lbl" xml:lang="en-US" id="id_14165682_3433595_1_1">Impact On Earnings From Non-Permanent Inter-company Loans Due To Changes In Foreign Currency Exchange Rates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ImpactOnEarningsFromNonpermanentIntercompanyLoansDueToChangesInForeignCurrencyExchangeRates_lbl" xml:lang="en-US" id="id_14165682_3433595_2_1">Impact on earnings from non-permanent intercompany loans</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ImpactOnEarningsFromNonpermanentIntercompanyLoansDueToChangesInForeignCurrencyExchangeRates" xlink:to="tri_ImpactOnEarningsFromNonpermanentIntercompanyLoansDueToChangesInForeignCurrencyExchangeRates_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill_lbl" xml:lang="en-US" id="id_14165682_3420207_1_1">Impairment loss recognised in profit or loss, goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill_lbl" xml:lang="en-US" id="id_14165682_3420207_2_1">Goodwill impairment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" xlink:to="ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncomeApproachMember" xlink:label="ifrs-full_IncomeApproachMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncomeApproachMember_lbl" xml:lang="en-US" id="id_14165682_3420620_1_1">Income approach [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncomeApproachMember_lbl" xml:lang="en-US" id="id_14165682_3420620_2_1">Income approach [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncomeApproachMember" xlink:to="ifrs-full_IncomeApproachMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_IncomeFromServicesProvidedToRelatedParty" xlink:label="tri_IncomeFromServicesProvidedToRelatedParty"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_IncomeFromServicesProvidedToRelatedParty_lbl" xml:lang="en-US" id="id_14165682_3553412_3_1">Income from services provided to related party.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_IncomeFromServicesProvidedToRelatedParty_lbl" xml:lang="en-US" id="id_14165682_3553412_1_1">Income from services provided to related party</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_IncomeFromServicesProvidedToRelatedParty_lbl" xml:lang="en-US" id="id_14165682_3553412_2_1">Provided by Thomson Reuters to Refinitiv Contra-expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_IncomeFromServicesProvidedToRelatedParty" xlink:to="tri_IncomeFromServicesProvidedToRelatedParty_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncomeFromSubleasingRightofuseAssets" xlink:label="ifrs-full_IncomeFromSubleasingRightofuseAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncomeFromSubleasingRightofuseAssets_lbl" xml:lang="en-US" id="id_14165682_3420857_1_1">Income from subleasing right-of-use assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncomeFromSubleasingRightofuseAssets_lbl" xml:lang="en-US" id="id_14165682_3420857_2_1">Sublease payments received</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncomeFromSubleasingRightofuseAssets" xlink:to="ifrs-full_IncomeFromSubleasingRightofuseAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_IncomeLossFromContinuingAndDiscontinuedOperationsLineItems" xlink:label="tri_IncomeLossFromContinuingAndDiscontinuedOperationsLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_IncomeLossFromContinuingAndDiscontinuedOperationsLineItems_lbl" xml:lang="en-US" id="id_14165682_3431896_3_1">Income loss from continuing and discontinued operations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_IncomeLossFromContinuingAndDiscontinuedOperationsLineItems_lbl" xml:lang="en-US" id="id_14165682_3431896_1_1">Income loss from continuing and discontinued operations [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_IncomeLossFromContinuingAndDiscontinuedOperationsLineItems_lbl" xml:lang="en-US" id="id_14165682_3431896_2_1">Income loss from continuing and discontinued operations [line items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_IncomeLossFromContinuingAndDiscontinuedOperationsLineItems" xlink:to="tri_IncomeLossFromContinuingAndDiscontinuedOperationsLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_IncomeLossFromDiscontinuedOperationsAbstract" xlink:label="tri_IncomeLossFromDiscontinuedOperationsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_IncomeLossFromDiscontinuedOperationsAbstract_lbl" xml:lang="en-US" id="id_14165682_3431589_3_1">Income loss from discontinued operations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_IncomeLossFromDiscontinuedOperationsAbstract_lbl" xml:lang="en-US" id="id_14165682_3431589_1_1">Income loss from discontinued operations [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_IncomeLossFromDiscontinuedOperationsAbstract_lbl" xml:lang="en-US" id="id_14165682_3431589_2_1">Income loss from discontinued operations [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_IncomeLossFromDiscontinuedOperationsAbstract" xlink:to="tri_IncomeLossFromDiscontinuedOperationsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_IncomeLossFromDiscontinuedOperationsTable" xlink:label="tri_IncomeLossFromDiscontinuedOperationsTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_IncomeLossFromDiscontinuedOperationsTable_lbl" xml:lang="en-US" id="id_14165682_3474518_3_1">Income Loss From Discontinued Operations [table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_IncomeLossFromDiscontinuedOperationsTable_lbl" xml:lang="en-US" id="id_14165682_3474518_1_1">Income Loss From Discontinued Operations [table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_IncomeLossFromDiscontinuedOperationsTable_lbl" xml:lang="en-US" id="id_14165682_3474518_2_1">Income Loss From Discontinued Operations [table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_IncomeLossFromDiscontinuedOperationsTable" xlink:to="tri_IncomeLossFromDiscontinuedOperationsTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncomeStatementAbstract" xlink:label="ifrs-full_IncomeStatementAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncomeStatementAbstract_lbl" xml:lang="en-US" id="id_14165682_3420627_1_1">Profit or loss [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncomeStatementAbstract_lbl" xml:lang="en-US" id="id_14165682_3420627_2_1">Profit or loss [abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_IncomeStatementAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncomeTaxesPaidRefund" xlink:label="ifrs-full_IncomeTaxesPaidRefund"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncomeTaxesPaidRefund_lbl" xml:lang="en-US" id="id_14165682_3420213_1_1">Income taxes paid (refund)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_IncomeTaxesPaidRefund_lbl" xml:lang="en-US" id="id_14165682_3420213_14_1">Income taxes paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="ifrs-full_IncomeTaxesPaidRefund_lbl" xml:lang="en-US" id="id_14165682_3420213_19_1">Total income taxes paid</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncomeTaxesPaidRefund" xlink:to="ifrs-full_IncomeTaxesPaidRefund_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncomeTaxesPaidRefundAbstract" xlink:label="ifrs-full_IncomeTaxesPaidRefundAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncomeTaxesPaidRefundAbstract_lbl" xml:lang="en-US" id="id_14165682_3420628_1_1">Income taxes paid (refund) [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncomeTaxesPaidRefundAbstract_lbl" xml:lang="en-US" id="id_14165682_3420628_2_1">Income taxes paid (refund) [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncomeTaxesPaidRefundAbstract" xlink:to="ifrs-full_IncomeTaxesPaidRefundAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncomeTaxesPaidRefundClassifiedAsInvestingActivities" xlink:label="ifrs-full_IncomeTaxesPaidRefundClassifiedAsInvestingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncomeTaxesPaidRefundClassifiedAsInvestingActivities_lbl" xml:lang="en-US" id="id_14165682_3420447_1_1">Income taxes paid (refund), classified as investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_IncomeTaxesPaidRefundClassifiedAsInvestingActivities_lbl" xml:lang="en-US" id="id_14165682_3420447_14_1">Investing activities - discontinued operations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncomeTaxesPaidRefundClassifiedAsInvestingActivities" xlink:to="ifrs-full_IncomeTaxesPaidRefundClassifiedAsInvestingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:label="ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities_lbl" xml:lang="en-US" id="id_14165682_3420215_1_1">Income taxes paid (refund), classified as operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities_lbl" xml:lang="en-US" id="id_14165682_3420215_14_1">Operating activities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:to="ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations_lbl" xml:lang="en-US" id="id_14165682_3420859_1_1">Tax expense (income)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations_lbl" xml:lang="en-US" id="id_14165682_3420859_6_1">Total tax expense (benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations_lbl" xml:lang="en-US" id="id_14165682_3420859_14_1">Tax (expense) benefit</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="ifrs-full_IncomeTaxExpenseContinuingOperations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:label="ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome_lbl" xml:lang="en-US" id="id_14165682_3420862_1_1">Income tax relating to components of other comprehensive income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome_lbl" xml:lang="en-US" id="id_14165682_3420862_2_1">Benefit to other comprehensive income</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncomeTaxRelatingToShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLoss" xlink:label="ifrs-full_IncomeTaxRelatingToShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncomeTaxRelatingToShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLoss_lbl" xml:lang="en-US" id="id_14165682_3420224_1_1">Income tax relating to share of other comprehensive income of associates and joint ventures accounted for using equity method that will not be reclassified to profit or loss</label>
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    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_IncreasedDividendsPaidOrdinarySharesPerShare" xlink:label="tri_IncreasedDividendsPaidOrdinarySharesPerShare"/>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseDueToApplicationOfIFRS15Member" xlink:label="ifrs-full_IncreaseDecreaseDueToApplicationOfIFRS15Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseDueToApplicationOfIFRS15Member_lbl" xml:lang="en-US" id="id_14165682_3420637_1_1">Increase (decrease) due to application of IFRS 15 [member]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIFRSsMember" xlink:label="ifrs-full_IncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIFRSsMember"/>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges"/>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption" xlink:label="ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption_lbl" xml:lang="en-US" id="id_14165682_3420229_1_1">Increase (decrease) in defined benefit obligation due to reasonably possible decrease in actuarial assumption</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption" xlink:label="ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption_lbl" xml:lang="en-US" id="id_14165682_3420230_1_1">Increase (decrease) in defined benefit obligation due to reasonably possible increase in actuarial assumption</label>
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    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_IncreaseDecreaseInDividendProposedOrDeclaredPerShare" xlink:label="tri_IncreaseDecreaseInDividendProposedOrDeclaredPerShare"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_IncreaseDecreaseInDividendProposedOrDeclaredPerShare_lbl" xml:lang="en-US" id="id_14165682_3546230_3_1">Increase decrease in dividend proposed or declared per share.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_IncreaseDecreaseInDividendProposedOrDeclaredPerShare_lbl" xml:lang="en-US" id="id_14165682_3546230_2_1">Increase in authorized dividend</label>
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    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_IncreaseDecreaseInEffectiveTaxRate" xlink:label="tri_IncreaseDecreaseInEffectiveTaxRate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_IncreaseDecreaseInEffectiveTaxRate_lbl" xml:lang="en-US" id="id_14165682_3526305_3_1">Percentage increase in effective tax rate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_IncreaseDecreaseInEffectiveTaxRate_lbl" xml:lang="en-US" id="id_14165682_3526305_1_1">Increase decrease in effective tax rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_IncreaseDecreaseInEffectiveTaxRate_lbl" xml:lang="en-US" id="id_14165682_3526305_2_1">Percentage of increase in effective tax rate</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding" xlink:label="ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding_lbl" xml:lang="en-US" id="id_14165682_3420476_1_1">Increase (decrease) in number of shares outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding_lbl" xml:lang="en-US" id="id_14165682_3420476_2_1">Number of common shares redeemed</label>
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    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_IncreaseDecreaseInWorkingCapitalAndOtherItems" xlink:label="tri_IncreaseDecreaseInWorkingCapitalAndOtherItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_IncreaseDecreaseInWorkingCapitalAndOtherItems_lbl" xml:lang="en-US" id="id_14165682_3453127_3_1">Increase (decrease) in working capital and other items to reconcile profit (loss) to net cash flow from (used in) operating activities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_IncreaseDecreaseInWorkingCapitalAndOtherItems_lbl" xml:lang="en-US" id="id_14165682_3453127_1_1">Increase (decrease) in working capital and other items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="tri_IncreaseDecreaseInWorkingCapitalAndOtherItems_lbl" xml:lang="en-US" id="id_14165682_3453127_14_1">Changes in working capital and other items</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseThroughBusinessCombinationsAndDisposalsNetDefinedBenefitLiabilityAsset" xlink:label="ifrs-full_IncreaseDecreaseThroughBusinessCombinationsAndDisposalsNetDefinedBenefitLiabilityAsset"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughBusinessCombinationsAndDisposalsNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3420892_2_1">Disposals of businesses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughBusinessCombinationsAndDisposalsNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3420892_14_1">Disposals of businesses</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset" xlink:label="ifrs-full_IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3420479_1_1">Increase (decrease) through business combinations, deferred tax liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3420479_2_1">Acquisitions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset" xlink:to="ifrs-full_IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset" xlink:label="ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3420894_1_1">Increase (decrease) through changes in foreign exchange rates, net defined benefit liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3420894_2_1">Exchange differences</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3420894_14_1">Exchange differences</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset" xlink:to="ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl" xlink:label="ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl_lbl" xml:lang="en-US" id="id_14165682_3420656_1_1">Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl_lbl" xml:lang="en-US" id="id_14165682_3420656_2_1">Change in ownership interest of subsidiary</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl" xlink:to="ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_IncreaseDecreaseThroughDisposalOfBusinessesAllowanceAccountForCreditLossesOfFinancialAssets" xlink:label="tri_IncreaseDecreaseThroughDisposalOfBusinessesAllowanceAccountForCreditLossesOfFinancialAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_IncreaseDecreaseThroughDisposalOfBusinessesAllowanceAccountForCreditLossesOfFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3545974_3_1">Increase (decrease) through disposal of businesses, allowance account for credit losses of financial assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_IncreaseDecreaseThroughDisposalOfBusinessesAllowanceAccountForCreditLossesOfFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3545974_1_1">Increase (decrease) through disposal of businesses, allowance account for credit losses of financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_IncreaseDecreaseThroughDisposalOfBusinessesAllowanceAccountForCreditLossesOfFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3545974_2_1">Disposals of businesses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_IncreaseDecreaseThroughDisposalOfBusinessesAllowanceAccountForCreditLossesOfFinancialAssets" xlink:to="tri_IncreaseDecreaseThroughDisposalOfBusinessesAllowanceAccountForCreditLossesOfFinancialAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseThroughDisposalOfSubsidiary" xlink:label="ifrs-full_IncreaseDecreaseThroughDisposalOfSubsidiary"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughDisposalOfSubsidiary_lbl" xml:lang="en-US" id="id_14165682_3420488_1_1">Increase (decrease) through disposal of subsidiary, equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughDisposalOfSubsidiary_lbl" xml:lang="en-US" id="id_14165682_3420488_2_1">Proceeds from sale of subsidiary</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughDisposalOfSubsidiary" xlink:to="ifrs-full_IncreaseDecreaseThroughDisposalOfSubsidiary_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities" xlink:label="ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities_lbl" xml:lang="en-US" id="id_14165682_3420899_1_1">Increase (decrease) through effect of changes in foreign exchange rates, liabilities arising from financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities_lbl" xml:lang="en-US" id="id_14165682_3420899_2_1">Foreign exchange movements</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities" xlink:to="ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseThroughLossOfControlOfSubsidiaryDeferredTaxLiabilityAsset" xlink:label="ifrs-full_IncreaseDecreaseThroughLossOfControlOfSubsidiaryDeferredTaxLiabilityAsset"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughLossOfControlOfSubsidiaryDeferredTaxLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3420264_1_1">Increase (decrease) through loss of control of subsidiary, deferred tax liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughLossOfControlOfSubsidiaryDeferredTaxLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3420264_2_1">Disposals of businesses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughLossOfControlOfSubsidiaryDeferredTaxLiabilityAsset" xlink:to="ifrs-full_IncreaseDecreaseThroughLossOfControlOfSubsidiaryDeferredTaxLiabilityAsset_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesAllowanceAccountForCreditLossesOfFinancialAssets" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesAllowanceAccountForCreditLossesOfFinancialAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesAllowanceAccountForCreditLossesOfFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3420266_1_1">Increase (decrease) through net exchange differences, allowance account for credit losses of financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesAllowanceAccountForCreditLossesOfFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3420266_2_1">Translation and other, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesAllowanceAccountForCreditLossesOfFinancialAssets" xlink:to="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesAllowanceAccountForCreditLossesOfFinancialAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3420495_1_1">Increase (decrease) through net exchange differences, deferred tax liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3420495_2_1">Translation and other, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset" xlink:to="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesGoodwill" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesGoodwill"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesGoodwill_lbl" xml:lang="en-US" id="id_14165682_3420912_1_1">Increase (decrease) through net exchange differences, goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesGoodwill_lbl" xml:lang="en-US" id="id_14165682_3420912_2_1">Translation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesGoodwill" xlink:to="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesGoodwill_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill_lbl" xml:lang="en-US" id="id_14165682_3420669_1_1">Increase (decrease) through net exchange differences, intangible assets and goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill_lbl" xml:lang="en-US" id="id_14165682_3420669_2_1">Translation and other, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill" xlink:to="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" id="id_14165682_3420670_1_1">Increase (decrease) through net exchange differences, intangible assets other than goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" id="id_14165682_3420670_2_1">Translation and other, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill" xlink:to="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions_lbl" xml:lang="en-US" id="id_14165682_3420913_1_1">Increase (decrease) through net exchange differences, other provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions_lbl" xml:lang="en-US" id="id_14165682_3420913_2_1">Translation and other, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" xlink:to="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_14165682_3420496_1_1">Increase (decrease) through net exchange differences, property, plant and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_14165682_3420496_2_1">Translation and other, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment" xlink:to="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" xlink:label="ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities_lbl" xml:lang="en-US" id="id_14165682_3420916_1_1">Increase (decrease) through other changes, liabilities arising from financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities_lbl" xml:lang="en-US" id="id_14165682_3420916_2_1">Other, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" xlink:to="ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset" xlink:label="ifrs-full_IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3420270_1_1">Increase (decrease) through other changes, net defined benefit liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3420270_2_1">Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3420270_14_1">Other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset" xlink:to="ifrs-full_IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:label="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_lbl" xml:lang="en-US" id="id_14165682_3420273_1_1">Increase (decrease) through share-based payment transactions, equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_lbl" xml:lang="en-US" id="id_14165682_3420273_2_1">Stock compensation plans</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:to="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xlink:label="ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity_lbl" xml:lang="en-US" id="id_14165682_3420924_1_1">Increase (decrease) through other changes, equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity_lbl" xml:lang="en-US" id="id_14165682_3420924_2_1">Pre-defined share repurchase plan</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xlink:to="ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesGoodwill" xlink:label="ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesGoodwill"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesGoodwill_lbl" xml:lang="en-US" id="id_14165682_3420683_1_1">Increase (decrease) through other changes, goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesGoodwill_lbl" xml:lang="en-US" id="id_14165682_3420683_2_1">Translation and other, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesGoodwill" xlink:to="ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesGoodwill_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xlink:label="ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions_lbl" xml:lang="en-US" id="id_14165682_3421153_1_1">Increase (decrease) through treasury share transactions, equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions_lbl" xml:lang="en-US" id="id_14165682_3421153_2_1">Amount returned to shareholders</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions_lbl" xml:lang="en-US" id="id_14165682_3421153_12_1">Increase (decrease) through treasury share transactions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xlink:to="ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_IncreaseDecreaseThroughTreasuryShareTransactionsEquityCombinedWithShareRepurchaseAgreementAmount" xlink:label="tri_IncreaseDecreaseThroughTreasuryShareTransactionsEquityCombinedWithShareRepurchaseAgreementAmount"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_IncreaseDecreaseThroughTreasuryShareTransactionsEquityCombinedWithShareRepurchaseAgreementAmount_lbl" xml:lang="en-US" id="id_14165682_3550704_3_1">Increase (decrease) through treasury share transactions, equity Combined with share repurchase agreement amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_IncreaseDecreaseThroughTreasuryShareTransactionsEquityCombinedWithShareRepurchaseAgreementAmount_lbl" xml:lang="en-US" id="id_14165682_3550704_1_1">Increase (decrease) through treasury share transactions, equity Combined with share repurchase agreement amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_IncreaseDecreaseThroughTreasuryShareTransactionsEquityCombinedWithShareRepurchaseAgreementAmount_lbl" xml:lang="en-US" id="id_14165682_3550704_2_1">Repurchases of common shares</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_IncreaseDecreaseThroughTreasuryShareTransactionsEquityCombinedWithShareRepurchaseAgreementAmount" xlink:to="tri_IncreaseDecreaseThroughTreasuryShareTransactionsEquityCombinedWithShareRepurchaseAgreementAmount_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_IncreaseDecreaseThroughTreasuryShareTransactionsShares" xlink:label="tri_IncreaseDecreaseThroughTreasuryShareTransactionsShares"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_IncreaseDecreaseThroughTreasuryShareTransactionsShares_lbl" xml:lang="en-US" id="id_14165682_3433068_3_1">Increase (decrease) through treasury share transactions shares.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_IncreaseDecreaseThroughTreasuryShareTransactionsShares_lbl" xml:lang="en-US" id="id_14165682_3433068_1_1">Increase (decrease) through treasury share transactions shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_IncreaseDecreaseThroughTreasuryShareTransactionsShares_lbl" xml:lang="en-US" id="id_14165682_3433068_2_1">Increase (decrease) through treasury share transactions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="tri_IncreaseDecreaseThroughTreasuryShareTransactionsShares_lbl" xml:lang="en-US" id="id_14165682_3433068_12_1">Increase (decrease) through treasury share transactions, number of shares</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_IncreaseDecreaseThroughTreasuryShareTransactionsShares" xlink:to="tri_IncreaseDecreaseThroughTreasuryShareTransactionsShares_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_IncreaseInLifeExpectancy" xlink:label="tri_IncreaseInLifeExpectancy"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_IncreaseInLifeExpectancy_lbl" xml:lang="en-US" id="id_14165682_3472701_3_1">Increase in life expectancy.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_IncreaseInLifeExpectancy_lbl" xml:lang="en-US" id="id_14165682_3472701_1_1">Increase in life expectancy</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_IncreaseInLifeExpectancy_lbl" xml:lang="en-US" id="id_14165682_3472701_2_1">Increase in life expectancy</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_IncreaseInLifeExpectancy" xlink:to="tri_IncreaseInLifeExpectancy_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_IncreaseInReserveForAccountsReceivablePercentage" xlink:label="tri_IncreaseInReserveForAccountsReceivablePercentage"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_IncreaseInReserveForAccountsReceivablePercentage_lbl" xml:lang="en-US" id="id_14165682_3526245_3_1">Percentage increase in total reserves compared to total trade receivables balance.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_IncreaseInReserveForAccountsReceivablePercentage_lbl" xml:lang="en-US" id="id_14165682_3526245_1_1">Increase In Reserve For Accounts Receivable Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_IncreaseInReserveForAccountsReceivablePercentage_lbl" xml:lang="en-US" id="id_14165682_3526245_2_1">Increase in reserves as a percentage of trade receivables</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_IncreaseInReserveForAccountsReceivablePercentage" xlink:to="tri_IncreaseInReserveForAccountsReceivablePercentage_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xlink:label="ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis_lbl" xml:lang="en-US" id="id_14165682_3421158_1_1">Cash-generating units [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis_lbl" xml:lang="en-US" id="id_14165682_3421158_2_1">Cash-generating units [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xlink:to="ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_InsuranceAmountContributedToFairValueOfPlanAssets" xlink:label="tri_InsuranceAmountContributedToFairValueOfPlanAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_InsuranceAmountContributedToFairValueOfPlanAssets_lbl" xml:lang="en-US" id="id_14165682_3433458_3_1">Insurance amount contributed to fair value of plan assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_InsuranceAmountContributedToFairValueOfPlanAssets_lbl" xml:lang="en-US" id="id_14165682_3433458_1_1">Insurance amount contributed to fair value of plan assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_InsuranceAmountContributedToFairValueOfPlanAssets_lbl" xml:lang="en-US" id="id_14165682_3433458_2_1">Insurance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_InsuranceAmountContributedToFairValueOfPlanAssets" xlink:to="tri_InsuranceAmountContributedToFairValueOfPlanAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IntangibleAssetsAndGoodwillMember" xlink:label="ifrs-full_IntangibleAssetsAndGoodwillMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IntangibleAssetsAndGoodwillMember_lbl" xml:lang="en-US" id="id_14165682_3420961_1_1">Intangible assets and goodwill [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IntangibleAssetsAndGoodwillMember_lbl" xml:lang="en-US" id="id_14165682_3420961_2_1">Intangible assets and goodwill [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IntangibleAssetsAndGoodwillMember" xlink:to="ifrs-full_IntangibleAssetsAndGoodwillMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwill"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" id="id_14165682_3421841_1_1">Intangible assets other than goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" id="id_14165682_3421841_4_1">Balance at end of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" id="id_14165682_3421841_5_1">Balance at beginning of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" id="id_14165682_3421841_2_1">Intangible assets carrying amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:to="ifrs-full_IntangibleAssetsOtherThanGoodwill_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwillMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwillMember_lbl" xml:lang="en-US" id="id_14165682_3421843_1_1">Intangible assets other than goodwill [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwillMember_lbl" xml:lang="en-US" id="id_14165682_3421843_2_1">Intangible assets other than goodwill [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:to="ifrs-full_IntangibleAssetsOtherThanGoodwillMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeAxis" xlink:label="ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeAxis_lbl" xml:lang="en-US" id="id_14165682_3420965_1_1">Intangible assets with indefinite useful life [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeAxis_lbl" xml:lang="en-US" id="id_14165682_3420965_2_1">Intangible assets with indefinite useful life [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeAxis" xlink:to="ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember" xlink:label="ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember_lbl" xml:lang="en-US" id="id_14165682_3420966_1_1">Intangible assets with indefinite useful life [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember_lbl" xml:lang="en-US" id="id_14165682_3420966_2_1">Intangible assets with indefinite useful life [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember" xlink:to="ifrs-full_IntangibleAssetsWithIndefiniteUsefulLifeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_InterestCostOnIrrecoverableSurplusNetDefinedBenefitAssetToAssetCeilingNetDefinedBenefitLiabilityAsset" xlink:label="tri_InterestCostOnIrrecoverableSurplusNetDefinedBenefitAssetToAssetCeilingNetDefinedBenefitLiabilityAsset"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_InterestCostOnIrrecoverableSurplusNetDefinedBenefitAssetToAssetCeilingNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3433279_3_1">Interest cost on irrecoverable surplus net defined benefit asset to asset ceiling, net defined benefit liability (asset).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_InterestCostOnIrrecoverableSurplusNetDefinedBenefitAssetToAssetCeilingNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3433279_1_1">Interest Cost On Irrecoverable Surplus Net Defined Benefit Asset To Asset Ceiling, Net Defined Benefit Liability (Asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="tri_InterestCostOnIrrecoverableSurplusNetDefinedBenefitAssetToAssetCeilingNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3433279_14_1">Interest cost on irrecoverable surplus</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_InterestCostOnIrrecoverableSurplusNetDefinedBenefitAssetToAssetCeilingNetDefinedBenefitLiabilityAsset" xlink:to="tri_InterestCostOnIrrecoverableSurplusNetDefinedBenefitAssetToAssetCeilingNetDefinedBenefitLiabilityAsset_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_InterestCostsAbstract" xlink:label="ifrs-full_InterestCostsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestCostsAbstract_lbl" xml:lang="en-US" id="id_14165682_3421375_1_1">Interest costs [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InterestCostsAbstract_lbl" xml:lang="en-US" id="id_14165682_3421375_2_1">Interest expense:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestCostsAbstract" xlink:to="ifrs-full_InterestCostsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xlink:label="ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3421196_1_1">Interest expense (income), net defined benefit liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3421196_2_1">Interest income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3421196_14_1">Interest cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3421196_18_1">Net interest cost</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xlink:to="ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_InterestExpenseOnBorrowings" xlink:label="ifrs-full_InterestExpenseOnBorrowings"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestExpenseOnBorrowings_lbl" xml:lang="en-US" id="id_14165682_3421197_1_1">Interest expense on borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InterestExpenseOnBorrowings_lbl" xml:lang="en-US" id="id_14165682_3421197_2_1">Debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestExpenseOnBorrowings" xlink:to="ifrs-full_InterestExpenseOnBorrowings_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_InterestExpenseOnDerivativeFinancialInstruments" xlink:label="tri_InterestExpenseOnDerivativeFinancialInstruments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_InterestExpenseOnDerivativeFinancialInstruments_lbl" xml:lang="en-US" id="id_14165682_3453307_3_1">Interest expense on derivative financial instruments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_InterestExpenseOnDerivativeFinancialInstruments_lbl" xml:lang="en-US" id="id_14165682_3453307_1_1">Interest Expense On Derivative Financial Instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_InterestExpenseOnDerivativeFinancialInstruments_lbl" xml:lang="en-US" id="id_14165682_3453307_2_1">Derivative financial instruments - hedging activities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_InterestExpenseOnDerivativeFinancialInstruments" xlink:to="tri_InterestExpenseOnDerivativeFinancialInstruments_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_InterestExpenseOnOtherFinancialLiabilities" xlink:label="ifrs-full_InterestExpenseOnOtherFinancialLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestExpenseOnOtherFinancialLiabilities_lbl" xml:lang="en-US" id="id_14165682_3421380_1_1">Interest expense on other financial liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InterestExpenseOnOtherFinancialLiabilities_lbl" xml:lang="en-US" id="id_14165682_3421380_2_1">Other, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestExpenseOnOtherFinancialLiabilities" xlink:to="ifrs-full_InterestExpenseOnOtherFinancialLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_InterestIncomeOnCashAndCashEquivalents" xlink:label="ifrs-full_InterestIncomeOnCashAndCashEquivalents"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestIncomeOnCashAndCashEquivalents_lbl" xml:lang="en-US" id="id_14165682_3420974_1_1">Interest income on cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_InterestIncomeOnCashAndCashEquivalents_lbl" xml:lang="en-US" id="id_14165682_3420974_14_1">Interest income</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestIncomeOnCashAndCashEquivalents" xlink:to="ifrs-full_InterestIncomeOnCashAndCashEquivalents_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_InterestIncomeSensitivity" xlink:label="tri_InterestIncomeSensitivity"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_InterestIncomeSensitivity_lbl" xml:lang="en-US" id="id_14165682_3433329_3_1">Increase in interest income for each whole percentage point increase in interest rates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_InterestIncomeSensitivity_lbl" xml:lang="en-US" id="id_14165682_3433329_1_1">Interest Income Sensitivity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_InterestIncomeSensitivity_lbl" xml:lang="en-US" id="id_14165682_3433329_2_1">Interest Income Sensitivity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_InterestIncomeSensitivity" xlink:to="tri_InterestIncomeSensitivity_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:label="ifrs-full_InterestPaidClassifiedAsOperatingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestPaidClassifiedAsOperatingActivities_lbl" xml:lang="en-US" id="id_14165682_3421854_1_1">Interest paid, classified as operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_InterestPaidClassifiedAsOperatingActivities_lbl" xml:lang="en-US" id="id_14165682_3421854_14_1">Interest paid</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:to="ifrs-full_InterestPaidClassifiedAsOperatingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_InterestRateChange" xlink:label="tri_InterestRateChange"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_InterestRateChange_lbl" xml:lang="en-US" id="id_14165682_3524786_3_1">Percentage point increase or decrease in interest rates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_InterestRateChange_lbl" xml:lang="en-US" id="id_14165682_3524786_1_1">Interest rate change</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_InterestRateChange_lbl" xml:lang="en-US" id="id_14165682_3524786_2_1">Change in interest rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_InterestRateChange" xlink:to="tri_InterestRateChange_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_InterestRateRiskMember" xlink:label="ifrs-full_InterestRateRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestRateRiskMember_lbl" xml:lang="en-US" id="id_14165682_3421384_1_1">Interest rate risk [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InterestRateRiskMember_lbl" xml:lang="en-US" id="id_14165682_3421384_2_1">Interest rate risk [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestRateRiskMember" xlink:to="ifrs-full_InterestRateRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_InterestRateTypesMember" xlink:label="ifrs-full_InterestRateTypesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestRateTypesMember_lbl" xml:lang="en-US" id="id_14165682_3421207_1_1">Interest rate types [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InterestRateTypesMember_lbl" xml:lang="en-US" id="id_14165682_3421207_2_1">Interest rate types [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestRateTypesMember" xlink:to="ifrs-full_InterestRateTypesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xlink:label="ifrs-full_InterestReceivedClassifiedAsOperatingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestReceivedClassifiedAsOperatingActivities_lbl" xml:lang="en-US" id="id_14165682_3420982_1_1">Interest received, classified as operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InterestReceivedClassifiedAsOperatingActivities_lbl" xml:lang="en-US" id="id_14165682_3420982_2_1">Interest received</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xlink:to="ifrs-full_InterestReceivedClassifiedAsOperatingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_InterestRevenueExpense" xlink:label="ifrs-full_InterestRevenueExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestRevenueExpense_lbl" xml:lang="en-US" id="id_14165682_3421856_1_1">Interest income (expense)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InterestRevenueExpense_lbl" xml:lang="en-US" id="id_14165682_3421856_2_1">Net interest expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="ifrs-full_InterestRevenueExpense_lbl" xml:lang="en-US" id="id_14165682_3421856_19_1">Net interest expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestRevenueExpense" xlink:to="ifrs-full_InterestRevenueExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_InternallyGeneratedMember" xlink:label="ifrs-full_InternallyGeneratedMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InternallyGeneratedMember_lbl" xml:lang="en-US" id="id_14165682_3420984_1_1">Internally generated [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InternallyGeneratedMember_lbl" xml:lang="en-US" id="id_14165682_3420984_2_1">Internally generated [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InternallyGeneratedMember" xlink:to="ifrs-full_InternallyGeneratedMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_Inventories" xlink:label="ifrs-full_Inventories"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Inventories_lbl" xml:lang="en-US" id="id_14165682_3421859_1_1">Current inventories</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_Inventories_lbl" xml:lang="en-US" id="id_14165682_3421859_2_1">Inventory</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Inventories" xlink:to="ifrs-full_Inventories_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_InvestmentAccountedForUsingEquityMethod" xlink:label="ifrs-full_InvestmentAccountedForUsingEquityMethod"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InvestmentAccountedForUsingEquityMethod_lbl" xml:lang="en-US" id="id_14165682_3421394_1_1">Investments accounted for using equity method</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="ifrs-full_InvestmentAccountedForUsingEquityMethod_lbl" xml:lang="en-US" id="id_14165682_3421394_32_1">Total equity method investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InvestmentAccountedForUsingEquityMethod_lbl" xml:lang="en-US" id="id_14165682_3421394_2_1">Equity method investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_InvestmentAccountedForUsingEquityMethod_lbl" xml:lang="en-US" id="id_14165682_3421394_12_1">Opening balance 45% equity investment in Refinitiv</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InvestmentAccountedForUsingEquityMethod" xlink:to="ifrs-full_InvestmentAccountedForUsingEquityMethod_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_InvestmentFundsAmountContributedToFairValueOfPlanAssets" xlink:label="ifrs-full_InvestmentFundsAmountContributedToFairValueOfPlanAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InvestmentFundsAmountContributedToFairValueOfPlanAssets_lbl" xml:lang="en-US" id="id_14165682_3421404_1_1">Investment funds, amount contributed to fair value of plan assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InvestmentFundsAmountContributedToFairValueOfPlanAssets_lbl" xml:lang="en-US" id="id_14165682_3421404_2_1">Multi-asset</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InvestmentFundsAmountContributedToFairValueOfPlanAssets" xlink:to="ifrs-full_InvestmentFundsAmountContributedToFairValueOfPlanAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_InvestmentsAccountedForUsingEquityMethodAbstract" xlink:label="ifrs-full_InvestmentsAccountedForUsingEquityMethodAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InvestmentsAccountedForUsingEquityMethodAbstract_lbl" xml:lang="en-US" id="id_14165682_3421414_1_1">Investments accounted for using equity method [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InvestmentsAccountedForUsingEquityMethodAbstract_lbl" xml:lang="en-US" id="id_14165682_3421414_2_1">Investments accounted for using equity method [abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InvestmentsAccountedForUsingEquityMethodAbstract" xlink:to="ifrs-full_InvestmentsAccountedForUsingEquityMethodAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_InvestmentsAccountedForUsingEquityMethodMember" xlink:label="ifrs-full_InvestmentsAccountedForUsingEquityMethodMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InvestmentsAccountedForUsingEquityMethodMember_lbl" xml:lang="en-US" id="id_14165682_3421415_1_1">Investments accounted for using equity method [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_InvestmentsAccountedForUsingEquityMethodMember_lbl" xml:lang="en-US" id="id_14165682_3421415_2_1">Investments accounted for using equity method [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InvestmentsAccountedForUsingEquityMethodMember" xlink:to="ifrs-full_InvestmentsAccountedForUsingEquityMethodMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_InvestmentsInBusinessesRecognisedAsOfAcquisitionDate" xlink:label="tri_InvestmentsInBusinessesRecognisedAsOfAcquisitionDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_InvestmentsInBusinessesRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3453315_3_1">Investments in businesses recognised as of acquisition date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_InvestmentsInBusinessesRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3453315_1_1">Investments In Businesses Recognised As Of Acquisition Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_InvestmentsInBusinessesRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3453315_2_1">Investments in businesses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_InvestmentsInBusinessesRecognisedAsOfAcquisitionDate" xlink:to="tri_InvestmentsInBusinessesRecognisedAsOfAcquisitionDate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_IssuedCapitalMember" xlink:label="ifrs-full_IssuedCapitalMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IssuedCapitalMember_lbl" xml:lang="en-US" id="id_14165682_3421013_1_1">Issued capital [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_IssuedCapitalMember_lbl" xml:lang="en-US" id="id_14165682_3421013_2_1">Stated share capital [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IssuedCapitalMember" xlink:to="ifrs-full_IssuedCapitalMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_JapaneseYenSellMember" xlink:label="tri_JapaneseYenSellMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_JapaneseYenSellMember_lbl" xml:lang="en-US" id="id_14165682_3510289_3_1">Japanese Yen Sell.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_JapaneseYenSellMember_lbl" xml:lang="en-US" id="id_14165682_3510289_1_1">Japanese Yen Sell [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_JapaneseYenSellMember_lbl" xml:lang="en-US" id="id_14165682_3510289_2_1">Japanese Yen Sell [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_JapaneseYenSellMember" xlink:to="tri_JapaneseYenSellMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_KeyManagementPersonnelCompensation" xlink:label="ifrs-full_KeyManagementPersonnelCompensation"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_KeyManagementPersonnelCompensation_lbl" xml:lang="en-US" id="id_14165682_3421270_1_1">Key management personnel compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_KeyManagementPersonnelCompensation_lbl" xml:lang="en-US" id="id_14165682_3421270_6_1">Total compensation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_KeyManagementPersonnelCompensation" xlink:to="ifrs-full_KeyManagementPersonnelCompensation_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:label="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_lbl" xml:lang="en-US" id="id_14165682_3421908_1_1">Key management personnel compensation, share-based payment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_lbl" xml:lang="en-US" id="id_14165682_3421908_2_1">Share-based payments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:to="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:label="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits_lbl" xml:lang="en-US" id="id_14165682_3421022_1_1">Key management personnel compensation, short-term employee benefits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits_lbl" xml:lang="en-US" id="id_14165682_3421022_2_1">Salaries and other benefits</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:to="ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_LandAndBuildingsMember" xlink:label="ifrs-full_LandAndBuildingsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LandAndBuildingsMember_lbl" xml:lang="en-US" id="id_14165682_3421447_1_1">Land and buildings [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LandAndBuildingsMember_lbl" xml:lang="en-US" id="id_14165682_3421447_2_1">Land, buildings and building improvements [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LandAndBuildingsMember" xlink:to="ifrs-full_LandAndBuildingsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_LaterThanFiveYearsMember" xlink:label="ifrs-full_LaterThanFiveYearsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanFiveYearsMember_lbl" xml:lang="en-US" id="id_14165682_3421915_1_1">Later than five years [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LaterThanFiveYearsMember_lbl" xml:lang="en-US" id="id_14165682_3421915_2_1">Later than five years [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanFiveYearsMember" xlink:to="ifrs-full_LaterThanFiveYearsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:label="ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember_lbl" xml:lang="en-US" id="id_14165682_3421917_1_1">Later than four years and not later than five years [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember_lbl" xml:lang="en-US" id="id_14165682_3421917_2_1">Later than four years and not later than five years [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:to="ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember" xlink:label="ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember_lbl" xml:lang="en-US" id="id_14165682_3421918_1_1">Later than one month and not later than two months [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember_lbl" xml:lang="en-US" id="id_14165682_3421918_2_1">Later than one month and not later than two months [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember" xlink:to="ifrs-full_LaterThanOneMonthAndNotLaterThanTwoMonthsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:label="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_lbl" xml:lang="en-US" id="id_14165682_3421288_1_1">Later than one year and not later than two years [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_lbl" xml:lang="en-US" id="id_14165682_3421288_2_1">Later than one year and not later than two years [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:to="ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_LaterThanThreeMonthsMember" xlink:label="ifrs-full_LaterThanThreeMonthsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanThreeMonthsMember_lbl" xml:lang="en-US" id="id_14165682_3421033_1_1">Later than three months [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LaterThanThreeMonthsMember_lbl" xml:lang="en-US" id="id_14165682_3421033_2_1">Later than three months [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanThreeMonthsMember" xlink:to="ifrs-full_LaterThanThreeMonthsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_LaterThanThreeYearMember" xlink:label="tri_LaterThanThreeYearMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_LaterThanThreeYearMember_lbl" xml:lang="en-US" id="id_14165682_3550431_3_1">Later than three year.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_LaterThanThreeYearMember_lbl" xml:lang="en-US" id="id_14165682_3550431_1_1">Later than three year [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_LaterThanThreeYearMember_lbl" xml:lang="en-US" id="id_14165682_3550431_2_1">Later than three year [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_LaterThanThreeYearMember" xlink:to="tri_LaterThanThreeYearMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:label="ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember_lbl" xml:lang="en-US" id="id_14165682_3421292_1_1">Later than three years and not later than four years [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember_lbl" xml:lang="en-US" id="id_14165682_3421292_2_1">Later than three years and not later than four years [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:to="ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_LaterThanThreeYearTo2048Member" xlink:label="tri_LaterThanThreeYearTo2048Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_LaterThanThreeYearTo2048Member_lbl" xml:lang="en-US" id="id_14165682_3549698_3_1">Later than three year to 2048 [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_LaterThanThreeYearTo2048Member_lbl" xml:lang="en-US" id="id_14165682_3549698_1_1">Later than three year to 2048 [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_LaterThanThreeYearTo2048Member_lbl" xml:lang="en-US" id="id_14165682_3549698_2_1">Later than three year to 2048 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_LaterThanThreeYearTo2048Member" xlink:to="tri_LaterThanThreeYearTo2048Member_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember" xlink:label="ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember_lbl" xml:lang="en-US" id="id_14165682_3421921_1_1">Later than two months and not later than three months [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember_lbl" xml:lang="en-US" id="id_14165682_3421921_2_1">Later than two months and not later than three months [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember" xlink:to="ifrs-full_LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:label="ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember_lbl" xml:lang="en-US" id="id_14165682_3421294_1_1">Later than two years and not later than three years [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember_lbl" xml:lang="en-US" id="id_14165682_3421294_2_1">Later than two years and not later than three years [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:to="ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_LeaseAndSubleasePaymentsRecognisedAsExpense" xlink:label="ifrs-full_LeaseAndSubleasePaymentsRecognisedAsExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LeaseAndSubleasePaymentsRecognisedAsExpense_lbl" xml:lang="en-US" id="id_14165682_3421036_1_1">Lease and sublease payments recognised as expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LeaseAndSubleasePaymentsRecognisedAsExpense_lbl" xml:lang="en-US" id="id_14165682_3421036_2_1">Operating lease payments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LeaseAndSubleasePaymentsRecognisedAsExpense" xlink:to="ifrs-full_LeaseAndSubleasePaymentsRecognisedAsExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_LeasesAsLesseeRelatedPartyTransactions" xlink:label="ifrs-full_LeasesAsLesseeRelatedPartyTransactions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LeasesAsLesseeRelatedPartyTransactions_lbl" xml:lang="en-US" id="id_14165682_3421928_1_1">Leases as lessee, related party transactions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LeasesAsLesseeRelatedPartyTransactions_lbl" xml:lang="en-US" id="id_14165682_3421928_2_1">Costs under lease arrangement</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LeasesAsLesseeRelatedPartyTransactions" xlink:to="ifrs-full_LeasesAsLesseeRelatedPartyTransactions_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_LeasesExpirationPeriod" xlink:label="tri_LeasesExpirationPeriod"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_LeasesExpirationPeriod_lbl" xml:lang="en-US" id="id_14165682_3472053_3_1">Leases expiration period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_LeasesExpirationPeriod_lbl" xml:lang="en-US" id="id_14165682_3472053_1_1">Leases Expiration Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_LeasesExpirationPeriod_lbl" xml:lang="en-US" id="id_14165682_3472053_2_1">Lease expiration period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_LeasesExpirationPeriod" xlink:to="tri_LeasesExpirationPeriod_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_LegalAndTaxAndAccountingMember" xlink:label="tri_LegalAndTaxAndAccountingMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_LegalAndTaxAndAccountingMember_lbl" xml:lang="en-US" id="id_14165682_3545991_3_1">Legal and tax and accounting.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_LegalAndTaxAndAccountingMember_lbl" xml:lang="en-US" id="id_14165682_3545991_1_1">Legal and Tax And Accounting [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_LegalAndTaxAndAccountingMember_lbl" xml:lang="en-US" id="id_14165682_3545991_2_1">Legal and Tax &amp; Accounting [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_LegalAndTaxAndAccountingMember" xlink:to="tri_LegalAndTaxAndAccountingMember_lbl"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_LegalEntityAxis_lbl" xml:lang="en-US" id="id_14165682_3421297_1_1">Legal Entity [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_LegalEntityAxis_lbl" xml:lang="en-US" id="id_14165682_3421297_2_1">Legal Entity [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LegalEntityAxis" xlink:to="dei_LegalEntityAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_LegalMember" xlink:label="tri_LegalMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_LegalMember_lbl" xml:lang="en-US" id="id_14165682_3480275_3_1">Legal.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_LegalMember_lbl" xml:lang="en-US" id="id_14165682_3480275_1_1">Legal [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_LegalMember_lbl" xml:lang="en-US" id="id_14165682_3480275_2_1">Legal [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_LegalMember" xlink:to="tri_LegalMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_LegalProfessionalsMember" xlink:label="tri_LegalProfessionalsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_LegalProfessionalsMember_lbl" xml:lang="en-US" id="id_14165682_3537220_3_1">Legal professionals.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_LegalProfessionalsMember_lbl" xml:lang="en-US" id="id_14165682_3537220_1_1">Legal Professionals [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_LegalProfessionalsMember_lbl" xml:lang="en-US" id="id_14165682_3537220_2_1">Legal Professionals [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_LegalProfessionalsMember" xlink:to="tri_LegalProfessionalsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_LessThanOneMonthPastDueMember" xlink:label="tri_LessThanOneMonthPastDueMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_LessThanOneMonthPastDueMember_lbl" xml:lang="en-US" id="id_14165682_3487201_3_1">Less than one month past due.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_LessThanOneMonthPastDueMember_lbl" xml:lang="en-US" id="id_14165682_3487201_1_1">Less Than One Month Past Due [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_LessThanOneMonthPastDueMember_lbl" xml:lang="en-US" id="id_14165682_3487201_2_1">Less Than One Month Past Due [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_LessThanOneMonthPastDueMember" xlink:to="tri_LessThanOneMonthPastDueMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_Level1OfFairValueHierarchyMember" xlink:label="ifrs-full_Level1OfFairValueHierarchyMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Level1OfFairValueHierarchyMember_lbl" xml:lang="en-US" id="id_14165682_3421459_1_1">Level 1 of fair value hierarchy [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_Level1OfFairValueHierarchyMember_lbl" xml:lang="en-US" id="id_14165682_3421459_2_1">Level 1 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Level1OfFairValueHierarchyMember" xlink:to="ifrs-full_Level1OfFairValueHierarchyMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_Level2OfFairValueHierarchyMember" xlink:label="ifrs-full_Level2OfFairValueHierarchyMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Level2OfFairValueHierarchyMember_lbl" xml:lang="en-US" id="id_14165682_3421934_1_1">Level 2 of fair value hierarchy [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_Level2OfFairValueHierarchyMember_lbl" xml:lang="en-US" id="id_14165682_3421934_2_1">Level 2 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Level2OfFairValueHierarchyMember" xlink:to="ifrs-full_Level2OfFairValueHierarchyMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_Level3OfFairValueHierarchyMember" xlink:label="ifrs-full_Level3OfFairValueHierarchyMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Level3OfFairValueHierarchyMember_lbl" xml:lang="en-US" id="id_14165682_3421043_1_1">Level 3 of fair value hierarchy [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_Level3OfFairValueHierarchyMember_lbl" xml:lang="en-US" id="id_14165682_3421043_2_1">Level 3 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Level3OfFairValueHierarchyMember" xlink:to="ifrs-full_Level3OfFairValueHierarchyMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:label="ifrs-full_LevelsOfFairValueHierarchyAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LevelsOfFairValueHierarchyAxis_lbl" xml:lang="en-US" id="id_14165682_3421935_1_1">Levels of fair value hierarchy [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LevelsOfFairValueHierarchyAxis_lbl" xml:lang="en-US" id="id_14165682_3421935_2_1">Levels of fair value hierarchy [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:to="ifrs-full_LevelsOfFairValueHierarchyAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_Liabilities" xlink:label="ifrs-full_Liabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Liabilities_lbl" xml:lang="en-US" id="id_14165682_3421936_1_1">Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_Liabilities_lbl" xml:lang="en-US" id="id_14165682_3421936_2_1">Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_Liabilities_lbl" xml:lang="en-US" id="id_14165682_3421936_6_1">Total liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Liabilities" xlink:to="ifrs-full_Liabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_LiabilitiesAbstract" xlink:label="ifrs-full_LiabilitiesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LiabilitiesAbstract_lbl" xml:lang="en-US" id="id_14165682_3421303_1_1">Liabilities [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LiabilitiesAbstract_lbl" xml:lang="en-US" id="id_14165682_3421303_2_1">Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LiabilitiesAbstract" xlink:to="ifrs-full_LiabilitiesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivities" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivities_lbl" xml:lang="en-US" id="id_14165682_3421304_1_1">Liabilities arising from financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivities_lbl" xml:lang="en-US" id="id_14165682_3421304_4_1">Balance at end of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivities_lbl" xml:lang="en-US" id="id_14165682_3421304_5_1">Balance at beginning of year</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LiabilitiesArisingFromFinancingActivities" xlink:to="ifrs-full_LiabilitiesArisingFromFinancingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis_lbl" xml:lang="en-US" id="id_14165682_3421937_1_1">Liabilities arising from financing activities [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis_lbl" xml:lang="en-US" id="id_14165682_3421937_2_1">Liabilities arising from financing activities [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:to="ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivitiesMember" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivitiesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivitiesMember_lbl" xml:lang="en-US" id="id_14165682_3421463_1_1">Liabilities arising from financing activities [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivitiesMember_lbl" xml:lang="en-US" id="id_14165682_3421463_2_1">Liabilities arising from financing activities [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LiabilitiesArisingFromFinancingActivitiesMember" xlink:to="ifrs-full_LiabilitiesArisingFromFinancingActivitiesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011" xlink:label="ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011_lbl" xml:lang="en-US" id="id_14165682_3421046_1_1">Liabilities from share-based payment transactions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011_lbl" xml:lang="en-US" id="id_14165682_3421046_2_1">Withholding tax liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011" xlink:to="ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_LiabilitiesRecognisedAsOfAcquisitionDate" xlink:label="tri_LiabilitiesRecognisedAsOfAcquisitionDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_LiabilitiesRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3441606_3_1">The amount of total liabilities recognized at acquisition date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_LiabilitiesRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3441606_1_1">Liabilities recognised as of acquisition date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="tri_LiabilitiesRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3441606_19_1">Total liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_LiabilitiesRecognisedAsOfAcquisitionDate" xlink:to="tri_LiabilitiesRecognisedAsOfAcquisitionDate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:label="ifrs-full_LiabilityAssetOfDefinedBenefitPlans"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LiabilityAssetOfDefinedBenefitPlans_lbl" xml:lang="en-US" id="id_14165682_3421467_1_1">Net defined benefit liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_LiabilityAssetOfDefinedBenefitPlans_lbl" xml:lang="en-US" id="id_14165682_3421467_4_1">End of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_LiabilityAssetOfDefinedBenefitPlans_lbl" xml:lang="en-US" id="id_14165682_3421467_5_1">Beginning of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_LiabilityAssetOfDefinedBenefitPlans_lbl" xml:lang="en-US" id="id_14165682_3421467_14_1">Net plan obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:label="ifrs-full_LiabilityAssetOfDefinedBenefitPlans_lbl" xml:lang="en-US" id="id_14165682_3421467_16_1">End of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:label="ifrs-full_LiabilityAssetOfDefinedBenefitPlans_lbl" xml:lang="en-US" id="id_14165682_3421467_17_1">Beginning of period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:to="ifrs-full_LiabilityAssetOfDefinedBenefitPlans_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_LifeExpectationPeriodOfFemaleEmployeesAgeAtFortyAndRetiringAtAgeSixtyFive" xlink:label="tri_LifeExpectationPeriodOfFemaleEmployeesAgeAtFortyAndRetiringAtAgeSixtyFive"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_LifeExpectationPeriodOfFemaleEmployeesAgeAtFortyAndRetiringAtAgeSixtyFive_lbl" xml:lang="en-US" id="id_14165682_3472009_3_1">Life expectation period of female employees age at forty and retiring at age sixty five</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_LifeExpectationPeriodOfFemaleEmployeesAgeAtFortyAndRetiringAtAgeSixtyFive_lbl" xml:lang="en-US" id="id_14165682_3472009_1_1">Life expectation period of female employees age at forty and retiring at age sixty five</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_LifeExpectationPeriodOfFemaleEmployeesAgeAtFortyAndRetiringAtAgeSixtyFive_lbl" xml:lang="en-US" id="id_14165682_3472009_2_1">Female employee age 40 retiring at age 65</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_LifeExpectationPeriodOfFemaleEmployeesAgeAtFortyAndRetiringAtAgeSixtyFive" xlink:to="tri_LifeExpectationPeriodOfFemaleEmployeesAgeAtFortyAndRetiringAtAgeSixtyFive_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_LifeExpectationPeriodOfFemaleEmployeesRetiringAtAgeSixtyFive" xlink:label="tri_LifeExpectationPeriodOfFemaleEmployeesRetiringAtAgeSixtyFive"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_LifeExpectationPeriodOfFemaleEmployeesRetiringAtAgeSixtyFive_lbl" xml:lang="en-US" id="id_14165682_3472007_3_1">Life expectation period of female employees retiring at age sixty five</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_LifeExpectationPeriodOfFemaleEmployeesRetiringAtAgeSixtyFive_lbl" xml:lang="en-US" id="id_14165682_3472007_1_1">Life expectation period of female employees retiring at age sixty five</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_LifeExpectationPeriodOfFemaleEmployeesRetiringAtAgeSixtyFive_lbl" xml:lang="en-US" id="id_14165682_3472007_2_1">Female employee retiring at age 65</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_LifeExpectationPeriodOfFemaleEmployeesRetiringAtAgeSixtyFive" xlink:to="tri_LifeExpectationPeriodOfFemaleEmployeesRetiringAtAgeSixtyFive_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_LifeExpectationPeriodOfMaleEmployeesAgeAtFortyAndRetiringAtAgeSixtyFive" xlink:label="tri_LifeExpectationPeriodOfMaleEmployeesAgeAtFortyAndRetiringAtAgeSixtyFive"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_LifeExpectationPeriodOfMaleEmployeesAgeAtFortyAndRetiringAtAgeSixtyFive_lbl" xml:lang="en-US" id="id_14165682_3472008_3_1">Life expectation period of male employees age at forty and retiring at age sixty five</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_LifeExpectationPeriodOfMaleEmployeesAgeAtFortyAndRetiringAtAgeSixtyFive_lbl" xml:lang="en-US" id="id_14165682_3472008_1_1">Life expectation period of male employees age at forty and retiring at age sixty five</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_LifeExpectationPeriodOfMaleEmployeesAgeAtFortyAndRetiringAtAgeSixtyFive_lbl" xml:lang="en-US" id="id_14165682_3472008_2_1">Male employee age 40 retiring at age 65</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_LifeExpectationPeriodOfMaleEmployeesAgeAtFortyAndRetiringAtAgeSixtyFive" xlink:to="tri_LifeExpectationPeriodOfMaleEmployeesAgeAtFortyAndRetiringAtAgeSixtyFive_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_LifeExpectationPeriodOfMaleEmployeesRetiringAtAgeSixtyFive" xlink:label="tri_LifeExpectationPeriodOfMaleEmployeesRetiringAtAgeSixtyFive"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_LifeExpectationPeriodOfMaleEmployeesRetiringAtAgeSixtyFive_lbl" xml:lang="en-US" id="id_14165682_3472006_3_1">Life expectation period of male employees retiring at age sixty five.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_LifeExpectationPeriodOfMaleEmployeesRetiringAtAgeSixtyFive_lbl" xml:lang="en-US" id="id_14165682_3472006_1_1">Life expectation period of male employees retiring at age sixty five</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_LifeExpectationPeriodOfMaleEmployeesRetiringAtAgeSixtyFive_lbl" xml:lang="en-US" id="id_14165682_3472006_2_1">Male employee retiring at age 65</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_LifeExpectationPeriodOfMaleEmployeesRetiringAtAgeSixtyFive" xlink:to="tri_LifeExpectationPeriodOfMaleEmployeesRetiringAtAgeSixtyFive_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_LondonInterbankOfferedRateLIBOR1Member" xlink:label="tri_LondonInterbankOfferedRateLIBOR1Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_LondonInterbankOfferedRateLIBOR1Member_lbl" xml:lang="en-US" id="id_14165682_3480153_3_1">London interbank offered rate (LIBOR).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_LondonInterbankOfferedRateLIBOR1Member_lbl" xml:lang="en-US" id="id_14165682_3480153_1_1">London interbank offered rate (LIBOR) 1 [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_LondonInterbankOfferedRateLIBOR1Member_lbl" xml:lang="en-US" id="id_14165682_3480153_2_1">London Interbank Offered Rate (LIBOR) [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_LondonInterbankOfferedRateLIBOR1Member" xlink:to="tri_LondonInterbankOfferedRateLIBOR1Member_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_Long1Member" xlink:label="tri_Long1Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_Long1Member_lbl" xml:lang="en-US" id="id_14165682_3511522_3_1">Long1 [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_Long1Member_lbl" xml:lang="en-US" id="id_14165682_3511522_1_1">Long1 [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_Long1Member_lbl" xml:lang="en-US" id="id_14165682_3511522_2_1">Long1 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_Long1Member" xlink:to="tri_Long1Member_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_LongtermBorrowings" xlink:label="ifrs-full_LongtermBorrowings"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LongtermBorrowings_lbl" xml:lang="en-US" id="id_14165682_3421479_1_1">Non-current portion of non-current borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_LongtermBorrowings_lbl" xml:lang="en-US" id="id_14165682_3421479_2_1">Long-term indebtedness</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_LongtermBorrowings_lbl" xml:lang="en-US" id="id_14165682_3421479_12_1">Long-term portion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_LongtermBorrowings_lbl" xml:lang="en-US" id="id_14165682_3421479_14_1">Long-term indebtedness</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LongtermBorrowings" xlink:to="ifrs-full_LongtermBorrowings_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_LossesFromRedemptionOfDebtSecurities" xlink:label="tri_LossesFromRedemptionOfDebtSecurities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_LossesFromRedemptionOfDebtSecurities_lbl" xml:lang="en-US" id="id_14165682_3447019_3_1">Losses from redemption of debt securities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_LossesFromRedemptionOfDebtSecurities_lbl" xml:lang="en-US" id="id_14165682_3447019_1_1">Losses from redemption of debt securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_LossesFromRedemptionOfDebtSecurities_lbl" xml:lang="en-US" id="id_14165682_3447019_2_1">Losses from redemption of debt securities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_LossesFromRedemptionOfDebtSecurities" xlink:to="tri_LossesFromRedemptionOfDebtSecurities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract" xlink:label="ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract_lbl" xml:lang="en-US" id="id_14165682_3421961_1_1">Major components of tax expense (income) [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract_lbl" xml:lang="en-US" id="id_14165682_3421961_2_1">Major components of tax expense (income) [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract" xlink:to="ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_MajorOrdinaryShareTransactionsMember" xlink:label="ifrs-full_MajorOrdinaryShareTransactionsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MajorOrdinaryShareTransactionsMember_lbl" xml:lang="en-US" id="id_14165682_3421490_1_1">Major ordinary share transactions [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_MajorOrdinaryShareTransactionsMember_lbl" xml:lang="en-US" id="id_14165682_3421490_2_1">Major Ordinary Share Transactions [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MajorOrdinaryShareTransactionsMember" xlink:to="ifrs-full_MajorOrdinaryShareTransactionsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_MajorPurchasesOfAssetsMember" xlink:label="ifrs-full_MajorPurchasesOfAssetsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MajorPurchasesOfAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3421083_1_1">Major purchases of assets [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_MajorPurchasesOfAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3421083_2_1">Major purchases of assets [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MajorPurchasesOfAssetsMember" xlink:to="ifrs-full_MajorPurchasesOfAssetsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_MarketApproachMember" xlink:label="ifrs-full_MarketApproachMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MarketApproachMember_lbl" xml:lang="en-US" id="id_14165682_3421085_1_1">Market approach [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_MarketApproachMember_lbl" xml:lang="en-US" id="id_14165682_3421085_2_1">Market approach [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MarketApproachMember" xlink:to="ifrs-full_MarketApproachMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_MaterialDefinedBenefitPlansMember" xlink:label="tri_MaterialDefinedBenefitPlansMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_MaterialDefinedBenefitPlansMember_lbl" xml:lang="en-US" id="id_14165682_3477565_3_1">Material defined benefit plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_MaterialDefinedBenefitPlansMember_lbl" xml:lang="en-US" id="id_14165682_3477565_1_1">Material defined benefit plans [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_MaterialDefinedBenefitPlansMember_lbl" xml:lang="en-US" id="id_14165682_3477565_2_1">Material defined benefit plans [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_MaterialDefinedBenefitPlansMember" xlink:to="tri_MaterialDefinedBenefitPlansMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_MaterialIncomeAndExpenseAbstract" xlink:label="ifrs-full_MaterialIncomeAndExpenseAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MaterialIncomeAndExpenseAbstract_lbl" xml:lang="en-US" id="id_14165682_3421497_1_1">Material income and expense [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_MaterialIncomeAndExpenseAbstract_lbl" xml:lang="en-US" id="id_14165682_3421497_2_1">Material income and expense [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MaterialIncomeAndExpenseAbstract" xlink:to="ifrs-full_MaterialIncomeAndExpenseAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_MaturityAxis" xlink:label="ifrs-full_MaturityAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MaturityAxis_lbl" xml:lang="en-US" id="id_14165682_3421968_1_1">Maturity [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_MaturityAxis_lbl" xml:lang="en-US" id="id_14165682_3421968_2_1">Maturity [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MaturityAxis" xlink:to="ifrs-full_MaturityAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_MaximumExposureToPriceRisk" xlink:label="tri_MaximumExposureToPriceRisk"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_MaximumExposureToPriceRisk_lbl" xml:lang="en-US" id="id_14165682_3433379_3_1">Maximum exposure to price risk.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_MaximumExposureToPriceRisk_lbl" xml:lang="en-US" id="id_14165682_3433379_1_1">Maximum exposure to price risk</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_MaximumExposureToPriceRisk_lbl" xml:lang="en-US" id="id_14165682_3433379_2_1">Exposure to Price Risk</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_MaximumExposureToPriceRisk" xlink:to="tri_MaximumExposureToPriceRisk_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_MaximumGrossLoanCommitmentUponRequest" xlink:label="tri_MaximumGrossLoanCommitmentUponRequest"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_MaximumGrossLoanCommitmentUponRequest_lbl" xml:lang="en-US" id="id_14165682_3444978_3_1">Maximum gross loan commitment upon request to and approval from lenders.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_MaximumGrossLoanCommitmentUponRequest_lbl" xml:lang="en-US" id="id_14165682_3444978_1_1">Maximum gross loan commitment upon request</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_MaximumGrossLoanCommitmentUponRequest_lbl" xml:lang="en-US" id="id_14165682_3444978_2_1">Maximum gross loan commitment upon request</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_MaximumGrossLoanCommitmentUponRequest" xlink:to="tri_MaximumGrossLoanCommitmentUponRequest_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_MaximumNumberOfCommonSharesAvailableForGrant" xlink:label="tri_MaximumNumberOfCommonSharesAvailableForGrant"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_MaximumNumberOfCommonSharesAvailableForGrant_lbl" xml:lang="en-US" id="id_14165682_3432748_3_1">Maximum number of common shares available for grant.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_MaximumNumberOfCommonSharesAvailableForGrant_lbl" xml:lang="en-US" id="id_14165682_3432748_1_1">Maximum number of common shares available for grant</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_MaximumNumberOfCommonSharesAvailableForGrant_lbl" xml:lang="en-US" id="id_14165682_3432748_2_1">Maximum number of common shares available for grant</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_MaximumNumberOfCommonSharesAvailableForGrant" xlink:to="tri_MaximumNumberOfCommonSharesAvailableForGrant_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_MaximumPayrollDeductionAllowedForEmployeeStockPurchasePlan" xlink:label="tri_MaximumPayrollDeductionAllowedForEmployeeStockPurchasePlan"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_MaximumPayrollDeductionAllowedForEmployeeStockPurchasePlan_lbl" xml:lang="en-US" id="id_14165682_3445066_3_1">Maximum payroll deduction allowed for employee stock purchase plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_MaximumPayrollDeductionAllowedForEmployeeStockPurchasePlan_lbl" xml:lang="en-US" id="id_14165682_3445066_1_1">Maximum Payroll Deduction Allowed For Employee Stock Purchase Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_MaximumPayrollDeductionAllowedForEmployeeStockPurchasePlan_lbl" xml:lang="en-US" id="id_14165682_3445066_2_1">Maximum payroll deduction allowed</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_MaximumPayrollDeductionAllowedForEmployeeStockPurchasePlan" xlink:to="tri_MaximumPayrollDeductionAllowedForEmployeeStockPurchasePlan_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_MaximumSharesAllowedToBePurchasedForEmployeeStockPurchasePlan" xlink:label="tri_MaximumSharesAllowedToBePurchasedForEmployeeStockPurchasePlan"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_MaximumSharesAllowedToBePurchasedForEmployeeStockPurchasePlan_lbl" xml:lang="en-US" id="id_14165682_3468495_3_1">Maximum shares allowed to be purchased for employee stock purchase plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_MaximumSharesAllowedToBePurchasedForEmployeeStockPurchasePlan_lbl" xml:lang="en-US" id="id_14165682_3468495_1_1">Maximum Shares Allowed To Be Purchased For Employee Stock Purchase Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_MaximumSharesAllowedToBePurchasedForEmployeeStockPurchasePlan_lbl" xml:lang="en-US" id="id_14165682_3468495_2_1">Maximum shares to be purchased through plan</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_MaximumSharesAllowedToBePurchasedForEmployeeStockPurchasePlan" xlink:to="tri_MaximumSharesAllowedToBePurchasedForEmployeeStockPurchasePlan_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_MeasurementAxis" xlink:label="ifrs-full_MeasurementAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MeasurementAxis_lbl" xml:lang="en-US" id="id_14165682_3421501_1_1">Measurement [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_MeasurementAxis_lbl" xml:lang="en-US" id="id_14165682_3421501_2_1">Measurement [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MeasurementAxis" xlink:to="ifrs-full_MeasurementAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_MethodsOfGenerationAxis" xlink:label="ifrs-full_MethodsOfGenerationAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MethodsOfGenerationAxis_lbl" xml:lang="en-US" id="id_14165682_3421507_1_1">Methods of generation [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_MethodsOfGenerationAxis_lbl" xml:lang="en-US" id="id_14165682_3421507_2_1">Methods of generation [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MethodsOfGenerationAxis" xlink:to="ifrs-full_MethodsOfGenerationAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_MethodsOfGenerationMember" xlink:label="ifrs-full_MethodsOfGenerationMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MethodsOfGenerationMember_lbl" xml:lang="en-US" id="id_14165682_3421975_1_1">Methods of generation [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_MethodsOfGenerationMember_lbl" xml:lang="en-US" id="id_14165682_3421975_2_1">Methods of generation [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MethodsOfGenerationMember" xlink:to="ifrs-full_MethodsOfGenerationMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease" xlink:label="ifrs-full_MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease_lbl" xml:lang="en-US" id="id_14165682_3421108_1_1">Minimum lease payments payable under non-cancellable operating lease</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease_lbl" xml:lang="en-US" id="id_14165682_3421108_2_1">Future aggregate minimum lease payments under non-cancellable operating leases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease_lbl" xml:lang="en-US" id="id_14165682_3421108_12_1">Minimum lease payments payable under non-cancellable operating lease</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease" xlink:to="ifrs-full_MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_MiscellaneousOtherProvisionsMember" xlink:label="ifrs-full_MiscellaneousOtherProvisionsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MiscellaneousOtherProvisionsMember_lbl" xml:lang="en-US" id="id_14165682_3421521_1_1">Miscellaneous other provisions [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_MiscellaneousOtherProvisionsMember_lbl" xml:lang="en-US" id="id_14165682_3421521_2_1">Other [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MiscellaneousOtherProvisionsMember" xlink:to="ifrs-full_MiscellaneousOtherProvisionsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_MoodysMember" xlink:label="tri_MoodysMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_MoodysMember_lbl" xml:lang="en-US" id="id_14165682_3509342_3_1">Moodys.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_MoodysMember_lbl" xml:lang="en-US" id="id_14165682_3509342_1_1">Moodys [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_MoodysMember_lbl" xml:lang="en-US" id="id_14165682_3509342_2_1">Moodys [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_MoodysMember" xlink:to="tri_MoodysMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_MultiAssetMember" xlink:label="tri_MultiAssetMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_MultiAssetMember_lbl" xml:lang="en-US" id="id_14165682_3477554_3_1">Multi-asset.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_MultiAssetMember_lbl" xml:lang="en-US" id="id_14165682_3477554_1_1">Multi-asset [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_MultiAssetMember_lbl" xml:lang="en-US" id="id_14165682_3477554_2_1">Multi-Asset [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_MultiAssetMember" xlink:to="tri_MultiAssetMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_NetActuarialGainsAndLosses" xlink:label="tri_NetActuarialGainsAndLosses"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_NetActuarialGainsAndLosses_lbl" xml:lang="en-US" id="id_14165682_3445203_3_1">Remeasurement gains and losses, and return on plan assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_NetActuarialGainsAndLosses_lbl" xml:lang="en-US" id="id_14165682_3445203_1_1">Net actuarial gains and losses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_NetActuarialGainsAndLosses_lbl" xml:lang="en-US" id="id_14165682_3445203_2_1">Net actuarial losses (gains) recognized in the year</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_NetActuarialGainsAndLosses" xlink:to="tri_NetActuarialGainsAndLosses_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NetAssetsLiabilities" xlink:label="ifrs-full_NetAssetsLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NetAssetsLiabilities_lbl" xml:lang="en-US" id="id_14165682_3422458_1_1">Assets (liabilities)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_NetAssetsLiabilities_lbl" xml:lang="en-US" id="id_14165682_3422458_4_1">Net assets attributable to Refinitiv, Ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_NetAssetsLiabilities_lbl" xml:lang="en-US" id="id_14165682_3422458_5_1">Net assets attributable to Refinitiv, Beginning balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="ifrs-full_NetAssetsLiabilities_lbl" xml:lang="en-US" id="id_14165682_3422458_19_1">Net assets disposed</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NetAssetsLiabilities" xlink:to="ifrs-full_NetAssetsLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NetDebt" xlink:label="ifrs-full_NetDebt"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NetDebt_lbl" xml:lang="en-US" id="id_14165682_3421566_1_1">Net debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_NetDebt_lbl" xml:lang="en-US" id="id_14165682_3421566_6_1">Net debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NetDebt" xlink:to="ifrs-full_NetDebt_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_NetDebtRatio" xlink:label="tri_NetDebtRatio"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_NetDebtRatio_lbl" xml:lang="en-US" id="id_14165682_3523506_3_1">Ratio net debt to EBITDA, as defined in credit agreement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_NetDebtRatio_lbl" xml:lang="en-US" id="id_14165682_3523506_1_1">Net Debt Ratio</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_NetDebtRatio_lbl" xml:lang="en-US" id="id_14165682_3523506_2_1">Net debt ratio</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_NetDebtRatio" xlink:to="tri_NetDebtRatio_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NetDeferredTaxLiabilities" xlink:label="ifrs-full_NetDeferredTaxLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NetDeferredTaxLiabilities_lbl" xml:lang="en-US" id="id_14165682_3421568_1_1">Net deferred tax liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_NetDeferredTaxLiabilities_lbl" xml:lang="en-US" id="id_14165682_3421568_6_1">Net deferred tax liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_NetDeferredTaxLiabilities_lbl" xml:lang="en-US" id="id_14165682_3421568_14_1">Net deferred liability</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NetDeferredTaxLiabilities" xlink:to="ifrs-full_NetDeferredTaxLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NetDefinedBenefitLiabilityAssetAxis" xlink:label="ifrs-full_NetDefinedBenefitLiabilityAssetAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NetDefinedBenefitLiabilityAssetAxis_lbl" xml:lang="en-US" id="id_14165682_3421612_1_1">Net defined benefit liability (asset) [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NetDefinedBenefitLiabilityAssetAxis_lbl" xml:lang="en-US" id="id_14165682_3421612_2_1">Net defined benefit liability (asset) [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NetDefinedBenefitLiabilityAssetAxis" xlink:to="ifrs-full_NetDefinedBenefitLiabilityAssetAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NetDefinedBenefitLiabilityAssetMember" xlink:label="ifrs-full_NetDefinedBenefitLiabilityAssetMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NetDefinedBenefitLiabilityAssetMember_lbl" xml:lang="en-US" id="id_14165682_3421569_1_1">Net defined benefit liability (asset) [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NetDefinedBenefitLiabilityAssetMember_lbl" xml:lang="en-US" id="id_14165682_3421569_2_1">Net defined benefit liability (asset) [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NetDefinedBenefitLiabilityAssetMember" xlink:to="ifrs-full_NetDefinedBenefitLiabilityAssetMember_lbl"/>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition" xlink:label="ifrs-full_NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition_lbl" xml:lang="en-US" id="id_14165682_3422309_2_1">Net Financial Assets in the Consolidated Statement of Financial Position</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:label="ifrs-full_NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements_lbl" xml:lang="en-US" id="id_14165682_3422462_1_1">Net financial liabilities subject to offsetting, enforceable master netting arrangements or similar agreements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements_lbl" xml:lang="en-US" id="id_14165682_3422462_6_1">Net Amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:to="ifrs-full_NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition" xlink:label="ifrs-full_NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition_lbl" xml:lang="en-US" id="id_14165682_3422310_1_1">Net financial liabilities subject to offsetting, enforceable master netting arrangements or similar agreements in statement of financial position</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition_lbl" xml:lang="en-US" id="id_14165682_3422310_6_1">Net Financial Liabilities in the Consolidated Statement of Financial Position</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition" xlink:to="ifrs-full_NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_NetInterestExpenseFromDebtAndOther" xlink:label="tri_NetInterestExpenseFromDebtAndOther"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_NetInterestExpenseFromDebtAndOther_lbl" xml:lang="en-US" id="id_14165682_3453327_3_1">Net interest expense from debt and other.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_NetInterestExpenseFromDebtAndOther_lbl" xml:lang="en-US" id="id_14165682_3453327_1_1">Net Interest Expense From Debt And Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="tri_NetInterestExpenseFromDebtAndOther_lbl" xml:lang="en-US" id="id_14165682_3453327_6_1">Net interest expense - debt and other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_NetInterestExpenseFromDebtAndOther" xlink:to="tri_NetInterestExpenseFromDebtAndOther_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_NetInterestExpenseFromPensionAndOtherPostEmploymentBenefitPlans" xlink:label="tri_NetInterestExpenseFromPensionAndOtherPostEmploymentBenefitPlans"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_NetInterestExpenseFromPensionAndOtherPostEmploymentBenefitPlans_lbl" xml:lang="en-US" id="id_14165682_3453324_3_1">Net interest expense from pension and other post employment benefit plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_NetInterestExpenseFromPensionAndOtherPostEmploymentBenefitPlans_lbl" xml:lang="en-US" id="id_14165682_3453324_1_1">Net Interest Expense From Pension And Other Post Employment Benefit Plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_NetInterestExpenseFromPensionAndOtherPostEmploymentBenefitPlans_lbl" xml:lang="en-US" id="id_14165682_3453324_2_1">Net interest expense - pension and other post-employment benefit plans</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_NetInterestExpenseFromPensionAndOtherPostEmploymentBenefitPlans" xlink:to="tri_NetInterestExpenseFromPensionAndOtherPostEmploymentBenefitPlans_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_NewsAndEditorialMember" xlink:label="tri_NewsAndEditorialMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_NewsAndEditorialMember_lbl" xml:lang="en-US" id="id_14165682_3537294_3_1">news and editorial [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_NewsAndEditorialMember_lbl" xml:lang="en-US" id="id_14165682_3537294_1_1">news and editorial [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_NewsAndEditorialMember_lbl" xml:lang="en-US" id="id_14165682_3537294_2_1">news and editorial [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_NewsAndEditorialMember" xlink:to="tri_NewsAndEditorialMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:label="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_lbl" xml:lang="en-US" id="id_14165682_3421584_1_1">Non-adjusting events after reporting period [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_lbl" xml:lang="en-US" id="id_14165682_3421584_2_1">Non-adjusting events after reporting period [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:to="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NonadjustingEventsMember" xlink:label="ifrs-full_NonadjustingEventsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NonadjustingEventsMember_lbl" xml:lang="en-US" id="id_14165682_3421585_1_1">Non-adjusting events after reporting period [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NonadjustingEventsMember_lbl" xml:lang="en-US" id="id_14165682_3421585_2_1">Non-adjusting events after reporting period [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NonadjustingEventsMember" xlink:to="ifrs-full_NonadjustingEventsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NoncontrollingInterests" xlink:label="ifrs-full_NoncontrollingInterests"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncontrollingInterests_lbl" xml:lang="en-US" id="id_14165682_3421633_1_1">Non-controlling interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncontrollingInterests_lbl" xml:lang="en-US" id="id_14165682_3421633_2_1">Non-controlling interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NoncontrollingInterests_lbl" xml:lang="en-US" id="id_14165682_3421633_12_1">Non-controlling interests disposed</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_NoncontrollingInterests_lbl" xml:lang="en-US" id="id_14165682_3421633_14_1">Non-controlling interests</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncontrollingInterests" xlink:to="ifrs-full_NoncontrollingInterests_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_NonControllingInterestsAbstract" xlink:label="tri_NonControllingInterestsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_NonControllingInterestsAbstract_lbl" xml:lang="en-US" id="id_14165682_3431022_3_1">Non Controlling Interests [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_NonControllingInterestsAbstract_lbl" xml:lang="en-US" id="id_14165682_3431022_1_1">Non Controlling Interests [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_NonControllingInterestsAbstract_lbl" xml:lang="en-US" id="id_14165682_3431022_2_1">Non-controlling interests</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_NonControllingInterestsAbstract" xlink:to="tri_NonControllingInterestsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NoncontrollingInterestsMember" xlink:label="ifrs-full_NoncontrollingInterestsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncontrollingInterestsMember_lbl" xml:lang="en-US" id="id_14165682_3421587_1_1">Non-controlling interests [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncontrollingInterestsMember_lbl" xml:lang="en-US" id="id_14165682_3421587_2_1">Non-controlling interests [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncontrollingInterestsMember" xlink:to="ifrs-full_NoncontrollingInterestsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NoncurrentAssets" xlink:label="ifrs-full_NoncurrentAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentAssets_lbl" xml:lang="en-US" id="id_14165682_3421635_1_1">Non-current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentAssets_lbl" xml:lang="en-US" id="id_14165682_3421635_2_1">Non-current assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentAssets" xlink:to="ifrs-full_NoncurrentAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts" xlink:label="ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts_lbl" xml:lang="en-US" id="id_14165682_3422328_1_1">Non-current assets other than financial instruments, deferred tax assets, post-employment benefit assets, and rights arising under insurance contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts_lbl" xml:lang="en-US" id="id_14165682_3422328_2_1">Non-Current Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts" xlink:to="ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NoncurrentDerivativeFinancialLiabilities" xlink:label="ifrs-full_NoncurrentDerivativeFinancialLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentDerivativeFinancialLiabilities_lbl" xml:lang="en-US" id="id_14165682_3422482_1_1">Non-current derivative financial liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentDerivativeFinancialLiabilities_lbl" xml:lang="en-US" id="id_14165682_3422482_2_1">Derivative instrument liability, Long-term portion</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentDerivativeFinancialLiabilities" xlink:to="ifrs-full_NoncurrentDerivativeFinancialLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NoncurrentLiabilities" xlink:label="ifrs-full_NoncurrentLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentLiabilities_lbl" xml:lang="en-US" id="id_14165682_3422493_1_1">Non-current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentLiabilities_lbl" xml:lang="en-US" id="id_14165682_3422493_2_1">Non-current liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentLiabilities" xlink:to="ifrs-full_NoncurrentLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NoncurrentProvisions" xlink:label="ifrs-full_NoncurrentProvisions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentProvisions_lbl" xml:lang="en-US" id="id_14165682_3422499_1_1">Non-current provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NoncurrentProvisions_lbl" xml:lang="en-US" id="id_14165682_3422499_2_1">Long-term provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NoncurrentProvisions_lbl" xml:lang="en-US" id="id_14165682_3422499_12_1">Provisions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentProvisions" xlink:to="ifrs-full_NoncurrentProvisions_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_NormalCourseIssuerBidMember" xlink:label="tri_NormalCourseIssuerBidMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_NormalCourseIssuerBidMember_lbl" xml:lang="en-US" id="id_14165682_3480237_3_1">Normal course issuer bid.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_NormalCourseIssuerBidMember_lbl" xml:lang="en-US" id="id_14165682_3480237_1_1">Normal Course Issuer Bid [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_NormalCourseIssuerBidMember_lbl" xml:lang="en-US" id="id_14165682_3480237_2_1">NCIB [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_NormalCourseIssuerBidMember" xlink:to="tri_NormalCourseIssuerBidMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_NormalRetirementAge" xlink:label="tri_NormalRetirementAge"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_NormalRetirementAge_lbl" xml:lang="en-US" id="id_14165682_3472704_3_1">Normal retirement age.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_NormalRetirementAge_lbl" xml:lang="en-US" id="id_14165682_3472704_1_1">Normal Retirement Age</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_NormalRetirementAge_lbl" xml:lang="en-US" id="id_14165682_3472704_2_1">Normal Retirement Age</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_NormalRetirementAge" xlink:to="tri_NormalRetirementAge_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_NotesAndDebenturesMember" xlink:label="tri_NotesAndDebenturesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_NotesAndDebenturesMember_lbl" xml:lang="en-US" id="id_14165682_3494848_3_1">Notes and debentures.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_NotesAndDebenturesMember_lbl" xml:lang="en-US" id="id_14165682_3494848_1_1">Notes And Debentures [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_NotesAndDebenturesMember_lbl" xml:lang="en-US" id="id_14165682_3494848_2_1">Notes and Debentures [Member]</label>
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    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_NotesDebenturesAndCommercialPaperMember" xlink:label="tri_NotesDebenturesAndCommercialPaperMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_NotesDebenturesAndCommercialPaperMember_lbl" xml:lang="en-US" id="id_14165682_3511506_3_1">Notes, Debentures And Commercial Paper [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_NotesDebenturesAndCommercialPaperMember_lbl" xml:lang="en-US" id="id_14165682_3511506_1_1">Notes, Debentures And Commercial Paper [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_NotesDebenturesAndCommercialPaperMember_lbl" xml:lang="en-US" id="id_14165682_3511506_2_1">Notes, Debentures and Commercial Paper [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_NotesDebenturesAndCommercialPaperMember" xlink:to="tri_NotesDebenturesAndCommercialPaperMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NotInternallyGeneratedMember" xlink:label="ifrs-full_NotInternallyGeneratedMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NotInternallyGeneratedMember_lbl" xml:lang="en-US" id="id_14165682_3422053_1_1">Not internally generated [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NotInternallyGeneratedMember_lbl" xml:lang="en-US" id="id_14165682_3422053_2_1">Not internally generated [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NotInternallyGeneratedMember" xlink:to="ifrs-full_NotInternallyGeneratedMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NotionalAmount" xlink:label="ifrs-full_NotionalAmount"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NotionalAmount_lbl" xml:lang="en-US" id="id_14165682_3421667_1_1">Notional amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NotionalAmount_lbl" xml:lang="en-US" id="id_14165682_3421667_2_1">Debt instrument, principal amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NotionalAmount_lbl" xml:lang="en-US" id="id_14165682_3421667_12_1">Notional amounts of contracts outstanding</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NotionalAmount" xlink:to="ifrs-full_NotionalAmount_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NotLaterThanOneYearMember" xlink:label="ifrs-full_NotLaterThanOneYearMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NotLaterThanOneYearMember_lbl" xml:lang="en-US" id="id_14165682_3422054_1_1">Not later than one year [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NotLaterThanOneYearMember_lbl" xml:lang="en-US" id="id_14165682_3422054_2_1">Not later than one year [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NotLaterThanOneYearMember" xlink:to="ifrs-full_NotLaterThanOneYearMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_NumberOfAntidilutiveShareOptionsOutstanding" xlink:label="tri_NumberOfAntidilutiveShareOptionsOutstanding"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_NumberOfAntidilutiveShareOptionsOutstanding_lbl" xml:lang="en-US" id="id_14165682_3432406_3_1">The number of antidilutive share options that were excluded from the diluted earnings per share computation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_NumberOfAntidilutiveShareOptionsOutstanding_lbl" xml:lang="en-US" id="id_14165682_3432406_1_1">Number of antidilutive share options outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_NumberOfAntidilutiveShareOptionsOutstanding_lbl" xml:lang="en-US" id="id_14165682_3432406_2_1">Anti-dilutive share-based compensation awards outstanding</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_NumberOfAntidilutiveShareOptionsOutstanding" xlink:to="tri_NumberOfAntidilutiveShareOptionsOutstanding_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_NumberOfCommonSharesAvailableForGrant" xlink:label="tri_NumberOfCommonSharesAvailableForGrant"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_NumberOfCommonSharesAvailableForGrant_lbl" xml:lang="en-US" id="id_14165682_3432746_3_1">Number of common shares available for grant.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_NumberOfCommonSharesAvailableForGrant_lbl" xml:lang="en-US" id="id_14165682_3432746_1_1">Number of common shares available for grant</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_NumberOfCommonSharesAvailableForGrant_lbl" xml:lang="en-US" id="id_14165682_3432746_2_1">Number of common shares available for grant</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_NumberOfCommonSharesAvailableForGrant" xlink:to="tri_NumberOfCommonSharesAvailableForGrant_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_NumberOfCommonSharesPurchased" xlink:label="tri_NumberOfCommonSharesPurchased"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_NumberOfCommonSharesPurchased_lbl" xml:lang="en-US" id="id_14165682_3536681_3_1">Number of common shares Thomas Reuters purchased.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_NumberOfCommonSharesPurchased_lbl" xml:lang="en-US" id="id_14165682_3536681_1_1">Number Of Common Shares Purchased</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_NumberOfCommonSharesPurchased_lbl" xml:lang="en-US" id="id_14165682_3536681_2_1">Number of shares repurchased</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_NumberOfCommonSharesPurchased" xlink:to="tri_NumberOfCommonSharesPurchased_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:label="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_lbl" xml:lang="en-US" id="id_14165682_3422508_1_1">Number of other equity instruments granted in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_lbl" xml:lang="en-US" id="id_14165682_3422508_2_1">Granted</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted" xlink:to="ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3422056_1_1">Number of other equity instruments exercisable in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3422056_2_1">Exercisable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3421677_1_1">Number of other equity instruments exercised or vested in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3421677_14_1">Exercised</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3421678_1_1">Number of other equity instruments forfeited in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3421678_14_1">Forfeited</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3422353_1_1">Number of other equity instruments outstanding in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3422353_4_1">Ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3422353_5_1">Beginning balance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NumberOfOutstandingShareOptions" xlink:label="ifrs-full_NumberOfOutstandingShareOptions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfOutstandingShareOptions_lbl" xml:lang="en-US" id="id_14165682_3421679_1_1">Number of share options outstanding in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_NumberOfOutstandingShareOptions_lbl" xml:lang="en-US" id="id_14165682_3421679_4_1">Ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_NumberOfOutstandingShareOptions_lbl" xml:lang="en-US" id="id_14165682_3421679_5_1">Beginning balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NumberOfOutstandingShareOptions_lbl" xml:lang="en-US" id="id_14165682_3421679_2_1">Number Oustanding</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfOutstandingShareOptions" xlink:to="ifrs-full_NumberOfOutstandingShareOptions_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:label="ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3422355_1_1">Number of share options exercisable in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3422355_2_1">Exercisable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3422355_12_1">Number Exercisable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:label="ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3422356_1_1">Number of share options exercised in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3422356_14_1">Exercised</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:label="ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3421682_1_1">Number of share options forfeited in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3421682_14_1">Forfeited</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:label="ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3422057_1_1">Number of share options granted in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3422057_2_1">Granted</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:to="ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NumberOfSharesAuthorised" xlink:label="ifrs-full_NumberOfSharesAuthorised"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfSharesAuthorised_lbl" xml:lang="en-US" id="id_14165682_3421683_1_1">Number of shares authorised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NumberOfSharesAuthorised_lbl" xml:lang="en-US" id="id_14165682_3421683_2_1">Number of shares authorized</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfSharesAuthorised" xlink:to="ifrs-full_NumberOfSharesAuthorised_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_NumberOfSharesIssuedThroughStockCompensationPlans" xlink:label="tri_NumberOfSharesIssuedThroughStockCompensationPlans"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_NumberOfSharesIssuedThroughStockCompensationPlans_lbl" xml:lang="en-US" id="id_14165682_3468515_3_1">Number of shares issued through stock compensation plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_NumberOfSharesIssuedThroughStockCompensationPlans_lbl" xml:lang="en-US" id="id_14165682_3468515_1_1">Number Of Shares Issued Through Stock Compensation Plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_NumberOfSharesIssuedThroughStockCompensationPlans_lbl" xml:lang="en-US" id="id_14165682_3468515_2_1">Stock compensation plans, number of shares</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_NumberOfSharesIssuedThroughStockCompensationPlans" xlink:to="tri_NumberOfSharesIssuedThroughStockCompensationPlans_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_NumberOfSharesIssuedUnderDividendReinvestmentPlan" xlink:label="tri_NumberOfSharesIssuedUnderDividendReinvestmentPlan"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_NumberOfSharesIssuedUnderDividendReinvestmentPlan_lbl" xml:lang="en-US" id="id_14165682_3468514_3_1">Number of shares issued under dividend reinvestment plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_NumberOfSharesIssuedUnderDividendReinvestmentPlan_lbl" xml:lang="en-US" id="id_14165682_3468514_1_1">Number Of Shares Issued Under Dividend Reinvestment Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_NumberOfSharesIssuedUnderDividendReinvestmentPlan_lbl" xml:lang="en-US" id="id_14165682_3468514_2_1">Shares issued under DRIP, number of shares</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_NumberOfSharesIssuedUnderDividendReinvestmentPlan" xlink:to="tri_NumberOfSharesIssuedUnderDividendReinvestmentPlan_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_NumberOfSharesOutstanding" xlink:label="ifrs-full_NumberOfSharesOutstanding"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfSharesOutstanding_lbl" xml:lang="en-US" id="id_14165682_3422357_1_1">Number of shares outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_NumberOfSharesOutstanding_lbl" xml:lang="en-US" id="id_14165682_3422357_4_1">Ending balance, number of shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_NumberOfSharesOutstanding_lbl" xml:lang="en-US" id="id_14165682_3422357_5_1">Beginning balance, number of shares</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfSharesOutstanding" xlink:to="ifrs-full_NumberOfSharesOutstanding_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_NumberOfSharesTendered" xlink:label="tri_NumberOfSharesTendered"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_NumberOfSharesTendered_lbl" xml:lang="en-US" id="id_14165682_3468487_3_1">Number of shares tendered.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_NumberOfSharesTendered_lbl" xml:lang="en-US" id="id_14165682_3468487_1_1">Number of shares tendered.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_NumberOfSharesTendered_lbl" xml:lang="en-US" id="id_14165682_3468487_2_1">Number of shares sold through proportoinate tender</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_NumberOfSharesTendered" xlink:to="tri_NumberOfSharesTendered_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_NumberOfTransactions" xlink:label="tri_NumberOfTransactions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_NumberOfTransactions_lbl" xml:lang="en-US" id="id_14165682_3471595_3_1">Total number of transactions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_NumberOfTransactions_lbl" xml:lang="en-US" id="id_14165682_3471595_1_1">Number Of Transactions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="tri_NumberOfTransactions_lbl" xml:lang="en-US" id="id_14165682_3471595_6_1">Total number of transactions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_NumberOfTransactions" xlink:to="tri_NumberOfTransactions_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_NumberOfTransactionsBusinessesAcquired" xlink:label="tri_NumberOfTransactionsBusinessesAcquired"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_NumberOfTransactionsBusinessesAcquired_lbl" xml:lang="en-US" id="id_14165682_3471593_3_1">Number of transactions businesses acquired.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_NumberOfTransactionsBusinessesAcquired_lbl" xml:lang="en-US" id="id_14165682_3471593_1_1">Number Of Transactions Businesses Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_NumberOfTransactionsBusinessesAcquired_lbl" xml:lang="en-US" id="id_14165682_3471593_2_1">Businesses acquired</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_NumberOfTransactionsBusinessesAcquired" xlink:to="tri_NumberOfTransactionsBusinessesAcquired_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_NumberOfTransactionsInvestmentsInBusinesses" xlink:label="tri_NumberOfTransactionsInvestmentsInBusinesses"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_NumberOfTransactionsInvestmentsInBusinesses_lbl" xml:lang="en-US" id="id_14165682_3471594_3_1">Number of transactions investments in businesses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_NumberOfTransactionsInvestmentsInBusinesses_lbl" xml:lang="en-US" id="id_14165682_3471594_1_1">Number Of Transactions Investments In Businesses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_NumberOfTransactionsInvestmentsInBusinesses_lbl" xml:lang="en-US" id="id_14165682_3471594_2_1">Investments in businesses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_NumberOfTransactionsInvestmentsInBusinesses" xlink:to="tri_NumberOfTransactionsInvestmentsInBusinesses_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_OnePointSixFiveNotesDueTwoThousandSeventeenMember" xlink:label="tri_OnePointSixFiveNotesDueTwoThousandSeventeenMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_OnePointSixFiveNotesDueTwoThousandSeventeenMember_lbl" xml:lang="en-US" id="id_14165682_3509167_3_1">One point six five notes due two thousand seventeen.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_OnePointSixFiveNotesDueTwoThousandSeventeenMember_lbl" xml:lang="en-US" id="id_14165682_3509167_1_1">One Point Six Five Notes Due Two Thousand Seventeen [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_OnePointSixFiveNotesDueTwoThousandSeventeenMember_lbl" xml:lang="en-US" id="id_14165682_3509167_2_1">1.65% Notes, Due 2017 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_OnePointSixFiveNotesDueTwoThousandSeventeenMember" xlink:to="tri_OnePointSixFiveNotesDueTwoThousandSeventeenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_OnePointThreeZeroNotesDueTwoThousandSeventeenMember" xlink:label="tri_OnePointThreeZeroNotesDueTwoThousandSeventeenMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_OnePointThreeZeroNotesDueTwoThousandSeventeenMember_lbl" xml:lang="en-US" id="id_14165682_3509166_3_1">One point three zero notes due two thousand seventeen.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_OnePointThreeZeroNotesDueTwoThousandSeventeenMember_lbl" xml:lang="en-US" id="id_14165682_3509166_1_1">One Point Three Zero Notes Due Two Thousand Seventeen [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_OnePointThreeZeroNotesDueTwoThousandSeventeenMember_lbl" xml:lang="en-US" id="id_14165682_3509166_2_1">1.30% Notes, Due 2017 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_OnePointThreeZeroNotesDueTwoThousandSeventeenMember" xlink:to="tri_OnePointThreeZeroNotesDueTwoThousandSeventeenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_OPEBMember" xlink:label="tri_OPEBMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_OPEBMember_lbl" xml:lang="en-US" id="id_14165682_3480317_3_1">OPEB.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_OPEBMember_lbl" xml:lang="en-US" id="id_14165682_3480317_1_1">O P E B [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_OPEBMember_lbl" xml:lang="en-US" id="id_14165682_3480317_2_1">OPEB [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_OPEBMember" xlink:to="tri_OPEBMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_OperatingExpenseExcludingDepreciationAmortizationAndOther" xlink:label="tri_OperatingExpenseExcludingDepreciationAmortizationAndOther"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_OperatingExpenseExcludingDepreciationAmortizationAndOther_lbl" xml:lang="en-US" id="id_14165682_3546429_3_1">Operating expense, excluding depreciation, amortization, and other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_OperatingExpenseExcludingDepreciationAmortizationAndOther_lbl" xml:lang="en-US" id="id_14165682_3546429_1_1">Operating expense, excluding depreciation, amortization, and other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="tri_OperatingExpenseExcludingDepreciationAmortizationAndOther_lbl" xml:lang="en-US" id="id_14165682_3546429_6_1">Total operating expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="tri_OperatingExpenseExcludingDepreciationAmortizationAndOther_lbl" xml:lang="en-US" id="id_14165682_3546429_14_1">Operating expenses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_OperatingExpenseExcludingDepreciationAmortizationAndOther" xlink:to="tri_OperatingExpenseExcludingDepreciationAmortizationAndOther_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_OperatingExpenses1Abstract" xlink:label="tri_OperatingExpenses1Abstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_OperatingExpenses1Abstract_lbl" xml:lang="en-US" id="id_14165682_3430977_3_1">Operating Expenses 1 [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_OperatingExpenses1Abstract_lbl" xml:lang="en-US" id="id_14165682_3430977_1_1">Operating Expenses 1 [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_OperatingExpenses1Abstract_lbl" xml:lang="en-US" id="id_14165682_3430977_2_1">Operating Expenses 1 [abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_OperatingExpenses1Abstract" xlink:to="tri_OperatingExpenses1Abstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OperatingSegmentsMember" xlink:label="ifrs-full_OperatingSegmentsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OperatingSegmentsMember_lbl" xml:lang="en-US" id="id_14165682_3422370_1_1">Operating segments [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OperatingSegmentsMember_lbl" xml:lang="en-US" id="id_14165682_3422370_2_1">Operating segments [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OperatingSegmentsMember" xlink:to="ifrs-full_OperatingSegmentsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OrdinarySharesMember" xlink:label="ifrs-full_OrdinarySharesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OrdinarySharesMember_lbl" xml:lang="en-US" id="id_14165682_3422519_1_1">Ordinary shares [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OrdinarySharesMember_lbl" xml:lang="en-US" id="id_14165682_3422519_2_1">Number of common shares [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OrdinarySharesMember" xlink:to="ifrs-full_OrdinarySharesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherAdjustmentsForNoncashItems" xlink:label="ifrs-full_OtherAdjustmentsForNoncashItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherAdjustmentsForNoncashItems_lbl" xml:lang="en-US" id="id_14165682_3422074_1_1">Other adjustments for non-cash items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherAdjustmentsForNoncashItems_lbl" xml:lang="en-US" id="id_14165682_3422074_2_1">Other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherAdjustmentsForNoncashItems" xlink:to="ifrs-full_OtherAdjustmentsForNoncashItems_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_OtherAdjustmentsRelatedToPriorYears" xlink:label="tri_OtherAdjustmentsRelatedToPriorYears"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_OtherAdjustmentsRelatedToPriorYears_lbl" xml:lang="en-US" id="id_14165682_3454526_3_1">Other adjustments related to prior years.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_OtherAdjustmentsRelatedToPriorYears_lbl" xml:lang="en-US" id="id_14165682_3454526_1_1">Other Adjustments Related To Prior Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_OtherAdjustmentsRelatedToPriorYears_lbl" xml:lang="en-US" id="id_14165682_3454526_2_1">Other adjustments related to prior years</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_OtherAdjustmentsRelatedToPriorYears" xlink:to="tri_OtherAdjustmentsRelatedToPriorYears_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xlink:label="ifrs-full_OtherAdjustmentsToReconcileProfitLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherAdjustmentsToReconcileProfitLoss_lbl" xml:lang="en-US" id="id_14165682_3421703_1_1">Other adjustments to reconcile profit (loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherAdjustmentsToReconcileProfitLoss_lbl" xml:lang="en-US" id="id_14165682_3421703_2_1">Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherAdjustmentsToReconcileProfitLoss_lbl" xml:lang="en-US" id="id_14165682_3421703_6_1">Total</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xlink:to="ifrs-full_OtherAdjustmentsToReconcileProfitLoss_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherAssetsAmountContributedToFairValueOfPlanAssets" xlink:label="ifrs-full_OtherAssetsAmountContributedToFairValueOfPlanAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherAssetsAmountContributedToFairValueOfPlanAssets_lbl" xml:lang="en-US" id="id_14165682_3422521_1_1">Other assets, amount contributed to fair value of plan assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherAssetsAmountContributedToFairValueOfPlanAssets_lbl" xml:lang="en-US" id="id_14165682_3422521_2_1">Other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherAssetsAmountContributedToFairValueOfPlanAssets" xlink:to="ifrs-full_OtherAssetsAmountContributedToFairValueOfPlanAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_OtherAssociatesAndJointVenturesMember" xlink:label="tri_OtherAssociatesAndJointVenturesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_OtherAssociatesAndJointVenturesMember_lbl" xml:lang="en-US" id="id_14165682_3491973_3_1">Other associates and joint ventures.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_OtherAssociatesAndJointVenturesMember_lbl" xml:lang="en-US" id="id_14165682_3491973_1_1">Other associates and joint ventures [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_OtherAssociatesAndJointVenturesMember_lbl" xml:lang="en-US" id="id_14165682_3491973_2_1">Other associates and joint ventures [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_OtherAssociatesAndJointVenturesMember" xlink:to="tri_OtherAssociatesAndJointVenturesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_OtherAttributesAndCreditsMember" xlink:label="tri_OtherAttributesAndCreditsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_OtherAttributesAndCreditsMember_lbl" xml:lang="en-US" id="id_14165682_3513946_3_1">Other attributes and credits.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_OtherAttributesAndCreditsMember_lbl" xml:lang="en-US" id="id_14165682_3513946_1_1">Other attributes and credits [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_OtherAttributesAndCreditsMember_lbl" xml:lang="en-US" id="id_14165682_3513946_2_1">Other attributes and credits [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_OtherAttributesAndCreditsMember" xlink:to="tri_OtherAttributesAndCreditsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherComprehensiveIncome" xlink:label="ifrs-full_OtherComprehensiveIncome"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherComprehensiveIncome_lbl" xml:lang="en-US" id="id_14165682_3422081_1_1">Other comprehensive income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherComprehensiveIncome_lbl" xml:lang="en-US" id="id_14165682_3422081_2_1">Other comprehensive (loss) income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherComprehensiveIncome_lbl" xml:lang="en-US" id="id_14165682_3422081_6_1">Other comprehensive income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherComprehensiveIncome_lbl" xml:lang="en-US" id="id_14165682_3422081_12_1">Other comprehensive loss</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherComprehensiveIncome" xlink:to="ifrs-full_OtherComprehensiveIncome_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherComprehensiveIncomeAbstract" xlink:label="ifrs-full_OtherComprehensiveIncomeAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherComprehensiveIncomeAbstract_lbl" xml:lang="en-US" id="id_14165682_3422082_1_1">Other comprehensive income [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherComprehensiveIncomeAbstract_lbl" xml:lang="en-US" id="id_14165682_3422082_2_1">Other comprehensive income (loss):</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ifrs-full_OtherComprehensiveIncomeAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_OtherComprehensiveIncomeBeforeTaxActuarialLossesGainsOnDefinedBenefitPlans" xlink:label="tri_OtherComprehensiveIncomeBeforeTaxActuarialLossesGainsOnDefinedBenefitPlans"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_OtherComprehensiveIncomeBeforeTaxActuarialLossesGainsOnDefinedBenefitPlans_lbl" xml:lang="en-US" id="id_14165682_3433273_3_1">Other comprehensive income, before tax, actuarial losses (gains) on defined benefit plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_OtherComprehensiveIncomeBeforeTaxActuarialLossesGainsOnDefinedBenefitPlans_lbl" xml:lang="en-US" id="id_14165682_3433273_1_1">Other comprehensive income, before tax, actuarial losses (gains) on defined benefit plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_OtherComprehensiveIncomeBeforeTaxActuarialLossesGainsOnDefinedBenefitPlans_lbl" xml:lang="en-US" id="id_14165682_3433273_2_1">Total accumulated comprehensive loss (income) at December 31</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_OtherComprehensiveIncomeBeforeTaxActuarialLossesGainsOnDefinedBenefitPlans" xlink:to="tri_OtherComprehensiveIncomeBeforeTaxActuarialLossesGainsOnDefinedBenefitPlans_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:label="ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans_lbl" xml:lang="en-US" id="id_14165682_3421711_1_1">Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans_lbl" xml:lang="en-US" id="id_14165682_3421711_2_1">Remeasurement on defined benefit pension plans</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:to="ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xlink:label="ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation_lbl" xml:lang="en-US" id="id_14165682_3422537_1_1">Other comprehensive income, net of tax, exchange differences on translation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation_lbl" xml:lang="en-US" id="id_14165682_3422537_2_1">Foreign currency translation adjustments to equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation_lbl" xml:lang="en-US" id="id_14165682_3422537_12_1">Foreign currency translation adjustments to OCI</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xlink:to="ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:label="ifrs-full_OtherComprehensiveIncomeNetOfTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherComprehensiveIncomeNetOfTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome_lbl" xml:lang="en-US" id="id_14165682_3422386_1_1">Other comprehensive income, net of tax, financial assets measured at fair value through other comprehensive income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherComprehensiveIncomeNetOfTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome_lbl" xml:lang="en-US" id="id_14165682_3422386_2_1">Fair value adjustments on financial assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherComprehensiveIncomeNetOfTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:to="ifrs-full_OtherComprehensiveIncomeNetOfTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:label="ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax_lbl" xml:lang="en-US" id="id_14165682_3422093_1_1">Other comprehensive income that will be reclassified to profit or loss, net of tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax_lbl" xml:lang="en-US" id="id_14165682_3422093_6_1">Other comprehensive income that will be reclassified to profit or loss, net of tax</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:to="ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:label="ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax_lbl" xml:lang="en-US" id="id_14165682_3422392_1_1">Other comprehensive income that will not be reclassified to profit or loss, net of tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax_lbl" xml:lang="en-US" id="id_14165682_3422392_6_1">Other comprehensive income that will not be reclassified to profit or loss, net of tax</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:to="ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_OtherCountriesMember" xlink:label="tri_OtherCountriesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_OtherCountriesMember_lbl" xml:lang="en-US" id="id_14165682_3476143_3_1">Other countries.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_OtherCountriesMember_lbl" xml:lang="en-US" id="id_14165682_3476143_1_1">Other Countries [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_OtherCountriesMember_lbl" xml:lang="en-US" id="id_14165682_3476143_2_1">Other Countries [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_OtherCountriesMember" xlink:to="tri_OtherCountriesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_OtherCurrenciesMember" xlink:label="tri_OtherCurrenciesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_OtherCurrenciesMember_lbl" xml:lang="en-US" id="id_14165682_3477170_3_1">Other currencies.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_OtherCurrenciesMember_lbl" xml:lang="en-US" id="id_14165682_3477170_1_1">Other Currencies [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_OtherCurrenciesMember_lbl" xml:lang="en-US" id="id_14165682_3477170_2_1">Other Currencies [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_OtherCurrenciesMember" xlink:to="tri_OtherCurrenciesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherCurrentAssets" xlink:label="ifrs-full_OtherCurrentAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherCurrentAssets_lbl" xml:lang="en-US" id="id_14165682_3422393_1_1">Other current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherCurrentAssets_lbl" xml:lang="en-US" id="id_14165682_3422393_2_1">Other current assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherCurrentAssets" xlink:to="ifrs-full_OtherCurrentAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherCurrentFinancialAssets" xlink:label="ifrs-full_OtherCurrentFinancialAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherCurrentFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3421721_1_1">Other current financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherCurrentFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3421721_2_1">Other financial assets - current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_OtherCurrentFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3421721_14_1">Other financial assets - current</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherCurrentFinancialAssets" xlink:to="ifrs-full_OtherCurrentFinancialAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherCurrentFinancialLiabilities" xlink:label="ifrs-full_OtherCurrentFinancialLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherCurrentFinancialLiabilities_lbl" xml:lang="en-US" id="id_14165682_3422394_1_1">Other current financial liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherCurrentFinancialLiabilities_lbl" xml:lang="en-US" id="id_14165682_3422394_2_1">Other financial liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherCurrentFinancialLiabilities_lbl" xml:lang="en-US" id="id_14165682_3422394_12_1">Other financial liabilities - current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_OtherCurrentFinancialLiabilities_lbl" xml:lang="en-US" id="id_14165682_3422394_14_1">Other financial liabilities - current</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherCurrentFinancialLiabilities" xlink:to="ifrs-full_OtherCurrentFinancialLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherCurrentLiabilities" xlink:label="ifrs-full_OtherCurrentLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherCurrentLiabilities_lbl" xml:lang="en-US" id="id_14165682_3422544_1_1">Other current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherCurrentLiabilities_lbl" xml:lang="en-US" id="id_14165682_3422544_2_1">Other current liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherCurrentLiabilities" xlink:to="ifrs-full_OtherCurrentLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherCurrentNonfinancialAssets" xlink:label="ifrs-full_OtherCurrentNonfinancialAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherCurrentNonfinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3422545_1_1">Other current non-financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherCurrentNonfinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3422545_2_1">Prepaid expenses and other current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_OtherCurrentNonfinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3422545_14_1">Prepaid expenses and other current assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherCurrentNonfinancialAssets" xlink:to="ifrs-full_OtherCurrentNonfinancialAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_OtherEquityMethodInvestmentsMember" xlink:label="tri_OtherEquityMethodInvestmentsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_OtherEquityMethodInvestmentsMember_lbl" xml:lang="en-US" id="id_14165682_3537367_3_1">Other equity method investments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_OtherEquityMethodInvestmentsMember_lbl" xml:lang="en-US" id="id_14165682_3537367_1_1">Other equity method investments [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_OtherEquityMethodInvestmentsMember_lbl" xml:lang="en-US" id="id_14165682_3537367_2_1">Other equity method investments [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_OtherEquityMethodInvestmentsMember" xlink:to="tri_OtherEquityMethodInvestmentsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherFinanceCost" xlink:label="ifrs-full_OtherFinanceCost"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherFinanceCost_lbl" xml:lang="en-US" id="id_14165682_3422559_1_1">Other finance cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherFinanceCost_lbl" xml:lang="en-US" id="id_14165682_3422559_2_1">Other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherFinanceCost" xlink:to="ifrs-full_OtherFinanceCost_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherFinanceIncomeCost" xlink:label="ifrs-full_OtherFinanceIncomeCost"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherFinanceIncomeCost_lbl" xml:lang="en-US" id="id_14165682_3422560_1_1">Other finance income (cost)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherFinanceIncomeCost_lbl" xml:lang="en-US" id="id_14165682_3422560_2_1">Other finance income (costs)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="ifrs-full_OtherFinanceIncomeCost_lbl" xml:lang="en-US" id="id_14165682_3422560_19_1">Other finance (income) costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherFinanceIncomeCost" xlink:to="ifrs-full_OtherFinanceIncomeCost_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherFinancialAssets" xlink:label="ifrs-full_OtherFinancialAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3422403_1_1">Other financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3422403_2_1">Other financial assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherFinancialAssets" xlink:to="ifrs-full_OtherFinancialAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherFinancialLiabilities" xlink:label="ifrs-full_OtherFinancialLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherFinancialLiabilities_lbl" xml:lang="en-US" id="id_14165682_3421726_1_1">Other financial liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherFinancialLiabilities_lbl" xml:lang="en-US" id="id_14165682_3421726_2_1">Other financial liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherFinancialLiabilities" xlink:to="ifrs-full_OtherFinancialLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_OtherFinancialLiabilities1Member" xlink:label="tri_OtherFinancialLiabilities1Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_OtherFinancialLiabilities1Member_lbl" xml:lang="en-US" id="id_14165682_3514398_3_1">Other Financial Liabilities 1.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_OtherFinancialLiabilities1Member_lbl" xml:lang="en-US" id="id_14165682_3514398_1_1">Other Financial Liabilities 1 [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_OtherFinancialLiabilities1Member_lbl" xml:lang="en-US" id="id_14165682_3514398_2_1">Other Financial Liabilities 1 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_OtherFinancialLiabilities1Member" xlink:to="tri_OtherFinancialLiabilities1Member_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_OtherFixedIncomeMember" xlink:label="tri_OtherFixedIncomeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_OtherFixedIncomeMember_lbl" xml:lang="en-US" id="id_14165682_3482972_3_1">Other fixed income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_OtherFixedIncomeMember_lbl" xml:lang="en-US" id="id_14165682_3482972_1_1">Other Fixed Income [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_OtherFixedIncomeMember_lbl" xml:lang="en-US" id="id_14165682_3482972_2_1">Other Fixed Income [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_OtherFixedIncomeMember" xlink:to="tri_OtherFixedIncomeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherGainsLosses" xlink:label="ifrs-full_OtherGainsLosses"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherGainsLosses_lbl" xml:lang="en-US" id="id_14165682_3422098_1_1">Other gains (losses)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherGainsLosses_lbl" xml:lang="en-US" id="id_14165682_3422098_2_1">Other operating gains, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherGainsLosses" xlink:to="ifrs-full_OtherGainsLosses_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities" xlink:label="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities_lbl" xml:lang="en-US" id="id_14165682_3422561_1_1">Other inflows (outflows) of cash, classified as financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities_lbl" xml:lang="en-US" id="id_14165682_3422561_2_1">Other financing activities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities" xlink:to="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities" xlink:label="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities_lbl" xml:lang="en-US" id="id_14165682_3422100_1_1">Other inflows (outflows) of cash, classified as investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities_lbl" xml:lang="en-US" id="id_14165682_3422100_2_1">Other investing activities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities" xlink:to="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities" xlink:label="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities_lbl" xml:lang="en-US" id="id_14165682_3422101_1_1">Other inflows (outflows) of cash, classified as operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities_lbl" xml:lang="en-US" id="id_14165682_3422101_2_1">Pension contribution</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities" xlink:to="ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherIntangibleAssets" xlink:label="ifrs-full_OtherIntangibleAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherIntangibleAssets_lbl" xml:lang="en-US" id="id_14165682_3422407_1_1">Other intangible assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherIntangibleAssets_lbl" xml:lang="en-US" id="id_14165682_3422407_2_1">Other identifiable intangible assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherIntangibleAssets_lbl" xml:lang="en-US" id="id_14165682_3422407_12_1">Other identifiable intangible assets, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_OtherIntangibleAssets_lbl" xml:lang="en-US" id="id_14165682_3422407_14_1">Other identifiable intangible assets, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherIntangibleAssets" xlink:to="ifrs-full_OtherIntangibleAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherIntangibleAssetsMember" xlink:label="ifrs-full_OtherIntangibleAssetsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherIntangibleAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3422562_1_1">Other intangible assets [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherIntangibleAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3422562_2_1">Other identifiable intangible assets [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherIntangibleAssetsMember" xlink:to="ifrs-full_OtherIntangibleAssetsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_OtherJurisdictionsMember" xlink:label="tri_OtherJurisdictionsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_OtherJurisdictionsMember_lbl" xml:lang="en-US" id="id_14165682_3480420_3_1">Other jurisdictions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_OtherJurisdictionsMember_lbl" xml:lang="en-US" id="id_14165682_3480420_1_1">Other jurisdictions [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_OtherJurisdictionsMember_lbl" xml:lang="en-US" id="id_14165682_3480420_2_1">Other Jurisdictions [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_OtherJurisdictionsMember" xlink:to="tri_OtherJurisdictionsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_OtherMember" xlink:label="tri_OtherMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_OtherMember_lbl" xml:lang="en-US" id="id_14165682_3478856_3_1">Other.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_OtherMember_lbl" xml:lang="en-US" id="id_14165682_3478856_1_1">Other [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_OtherMember_lbl" xml:lang="en-US" id="id_14165682_3478856_2_1">Other [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_OtherMember" xlink:to="tri_OtherMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherNoncurrentAssets" xlink:label="ifrs-full_OtherNoncurrentAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherNoncurrentAssets_lbl" xml:lang="en-US" id="id_14165682_3421733_1_1">Other non-current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherNoncurrentAssets_lbl" xml:lang="en-US" id="id_14165682_3421733_2_1">Other non-current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherNoncurrentAssets_lbl" xml:lang="en-US" id="id_14165682_3421733_6_1">Total other non-current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_OtherNoncurrentAssets_lbl" xml:lang="en-US" id="id_14165682_3421733_14_1">Other non-current assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherNoncurrentAssets" xlink:to="ifrs-full_OtherNoncurrentAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_OtherNoncurrentAssetsAbstract" xlink:label="tri_OtherNoncurrentAssetsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_OtherNoncurrentAssetsAbstract_lbl" xml:lang="en-US" id="id_14165682_3428202_3_1">Other noncurrent assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_OtherNoncurrentAssetsAbstract_lbl" xml:lang="en-US" id="id_14165682_3428202_1_1">Other Noncurrent Assets [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_OtherNoncurrentAssetsAbstract_lbl" xml:lang="en-US" id="id_14165682_3428202_2_1">Other Noncurrent Assets [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_OtherNoncurrentAssetsAbstract" xlink:to="tri_OtherNoncurrentAssetsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_OtherNoncurrentAssetsMember" xlink:label="tri_OtherNoncurrentAssetsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_OtherNoncurrentAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3533753_3_1">Other Noncurrent Assets [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_OtherNoncurrentAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3533753_1_1">Other Noncurrent Assets [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_OtherNoncurrentAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3533753_2_1">Other Noncurrent Assets [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_OtherNoncurrentAssetsMember" xlink:to="tri_OtherNoncurrentAssetsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherNoncurrentFinancialAssets" xlink:label="ifrs-full_OtherNoncurrentFinancialAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherNoncurrentFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3422411_1_1">Other non-current financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherNoncurrentFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3422411_2_1">Other financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherNoncurrentFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3422411_12_1">Other financial assets - non-current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_OtherNoncurrentFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3422411_14_1">Other financial assets - non-current</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherNoncurrentFinancialAssets" xlink:to="ifrs-full_OtherNoncurrentFinancialAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherNoncurrentFinancialLiabilities" xlink:label="ifrs-full_OtherNoncurrentFinancialLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherNoncurrentFinancialLiabilities_lbl" xml:lang="en-US" id="id_14165682_3422412_1_1">Other non-current financial liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherNoncurrentFinancialLiabilities_lbl" xml:lang="en-US" id="id_14165682_3422412_2_1">Other financial liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherNoncurrentFinancialLiabilities_lbl" xml:lang="en-US" id="id_14165682_3422412_12_1">Other financial liabilities - non-current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_OtherNoncurrentFinancialLiabilities_lbl" xml:lang="en-US" id="id_14165682_3422412_14_1">Other financial liabilities - non-current</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherNoncurrentFinancialLiabilities" xlink:to="ifrs-full_OtherNoncurrentFinancialLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherNoncurrentLiabilities" xlink:label="ifrs-full_OtherNoncurrentLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherNoncurrentLiabilities_lbl" xml:lang="en-US" id="id_14165682_3421734_1_1">Other non-current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherNoncurrentLiabilities_lbl" xml:lang="en-US" id="id_14165682_3421734_2_1">Other non-current liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherNoncurrentLiabilities" xlink:to="ifrs-full_OtherNoncurrentLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherNoncurrentNonfinancialAssets" xlink:label="ifrs-full_OtherNoncurrentNonfinancialAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherNoncurrentNonfinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3422107_1_1">Other non-current non-financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherNoncurrentNonfinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3422107_2_1">Other non-current assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherNoncurrentNonfinancialAssets" xlink:to="ifrs-full_OtherNoncurrentNonfinancialAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherNoncurrentPayables" xlink:label="ifrs-full_OtherNoncurrentPayables"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherNoncurrentPayables_lbl" xml:lang="en-US" id="id_14165682_3421735_1_1">Other non-current payables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherNoncurrentPayables_lbl" xml:lang="en-US" id="id_14165682_3421735_2_1">Provisions and other non-current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_OtherNoncurrentPayables_lbl" xml:lang="en-US" id="id_14165682_3421735_6_1">Total provisions and other non-current liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherNoncurrentPayables" xlink:to="ifrs-full_OtherNoncurrentPayables_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_OtherOperatingGainsNetMember" xlink:label="tri_OtherOperatingGainsNetMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_OtherOperatingGainsNetMember_lbl" xml:lang="en-US" id="id_14165682_3546180_3_1">Other operating gains, net.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_OtherOperatingGainsNetMember_lbl" xml:lang="en-US" id="id_14165682_3546180_1_1">Other operating gains, net [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_OtherOperatingGainsNetMember_lbl" xml:lang="en-US" id="id_14165682_3546180_2_1">Other operating gains, net [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_OtherOperatingGainsNetMember" xlink:to="tri_OtherOperatingGainsNetMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_OtherOperatingIncomeAbstract" xlink:label="tri_OtherOperatingIncomeAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_OtherOperatingIncomeAbstract_lbl" xml:lang="en-US" id="id_14165682_3431029_3_1">Other operating income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_OtherOperatingIncomeAbstract_lbl" xml:lang="en-US" id="id_14165682_3431029_1_1">Other Operating Income [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_OtherOperatingIncomeAbstract_lbl" xml:lang="en-US" id="id_14165682_3431029_2_1">Other Operating Income [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_OtherOperatingIncomeAbstract" xlink:to="tri_OtherOperatingIncomeAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherOperatingIncomeExpense" xlink:label="ifrs-full_OtherOperatingIncomeExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherOperatingIncomeExpense_lbl" xml:lang="en-US" id="id_14165682_3422108_1_1">Other operating income (expense)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherOperatingIncomeExpense_lbl" xml:lang="en-US" id="id_14165682_3422108_2_1">Other operating (losses) gains, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_OtherOperatingIncomeExpense_lbl" xml:lang="en-US" id="id_14165682_3422108_12_1">Other operating gains, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherOperatingIncomeExpense" xlink:to="ifrs-full_OtherOperatingIncomeExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_OtherOperatingIncomeExpenseAxis" xlink:label="tri_OtherOperatingIncomeExpenseAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_OtherOperatingIncomeExpenseAxis_lbl" xml:lang="en-US" id="id_14165682_3475676_3_1">Other operating income (expense).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_OtherOperatingIncomeExpenseAxis_lbl" xml:lang="en-US" id="id_14165682_3475676_1_1">Other Operating Income Expense [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_OtherOperatingIncomeExpenseAxis_lbl" xml:lang="en-US" id="id_14165682_3475676_2_1">Other Operating Income Expense [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_OtherOperatingIncomeExpenseAxis" xlink:to="tri_OtherOperatingIncomeExpenseAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_OtherOperatingIncomeExpenseDomain" xlink:label="tri_OtherOperatingIncomeExpenseDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_OtherOperatingIncomeExpenseDomain_lbl" xml:lang="en-US" id="id_14165682_3485229_3_1">Other operating income (expense) [domain].</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_OtherOperatingIncomeExpenseDomain_lbl" xml:lang="en-US" id="id_14165682_3485229_1_1">Other Operating Income Expense [domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_OtherOperatingIncomeExpenseDomain_lbl" xml:lang="en-US" id="id_14165682_3485229_2_1">Other Operating Income Expense [domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_OtherOperatingIncomeExpenseDomain" xlink:to="tri_OtherOperatingIncomeExpenseDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_OtherPostEmploymentBenefitsMember" xlink:label="tri_OtherPostEmploymentBenefitsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_OtherPostEmploymentBenefitsMember_lbl" xml:lang="en-US" id="id_14165682_3479637_3_1">Other post employment benefits.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_OtherPostEmploymentBenefitsMember_lbl" xml:lang="en-US" id="id_14165682_3479637_1_1">Other post employment benefits [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_OtherPostEmploymentBenefitsMember_lbl" xml:lang="en-US" id="id_14165682_3479637_2_1">Other Post Employment Benefits [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_OtherPostEmploymentBenefitsMember" xlink:to="tri_OtherPostEmploymentBenefitsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherProvisions" xlink:label="ifrs-full_OtherProvisions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherProvisions_lbl" xml:lang="en-US" id="id_14165682_3422109_1_1">Other provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_OtherProvisions_lbl" xml:lang="en-US" id="id_14165682_3422109_4_1">Other provisions at end of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_OtherProvisions_lbl" xml:lang="en-US" id="id_14165682_3422109_5_1">Other provisions at beginning of period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherProvisions" xlink:to="ifrs-full_OtherProvisions_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherProvisionsMember" xlink:label="ifrs-full_OtherProvisionsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherProvisionsMember_lbl" xml:lang="en-US" id="id_14165682_3422111_1_1">Other provisions [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherProvisionsMember_lbl" xml:lang="en-US" id="id_14165682_3422111_2_1">Other provisions [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherProvisionsMember" xlink:to="ifrs-full_OtherProvisionsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherReceivables" xlink:label="ifrs-full_OtherReceivables"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherReceivables_lbl" xml:lang="en-US" id="id_14165682_3422568_1_1">Other receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherReceivables_lbl" xml:lang="en-US" id="id_14165682_3422568_2_1">Other receivables</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherReceivables" xlink:to="ifrs-full_OtherReceivables_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_OthersMember" xlink:label="tri_OthersMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_OthersMember_lbl" xml:lang="en-US" id="id_14165682_3478952_3_1">Others.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_OthersMember_lbl" xml:lang="en-US" id="id_14165682_3478952_1_1">Others [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_OthersMember_lbl" xml:lang="en-US" id="id_14165682_3478952_2_1">Other [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_OthersMember" xlink:to="tri_OthersMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:label="ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome_lbl" xml:lang="en-US" id="id_14165682_3422570_1_1">Other tax effects for reconciliation between accounting profit and tax expense (income)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome_lbl" xml:lang="en-US" id="id_14165682_3422570_2_1">Other differences</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:to="ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_OtherTemporaryDifferencesMember" xlink:label="ifrs-full_OtherTemporaryDifferencesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherTemporaryDifferencesMember_lbl" xml:lang="en-US" id="id_14165682_3422116_1_1">Other temporary differences [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_OtherTemporaryDifferencesMember_lbl" xml:lang="en-US" id="id_14165682_3422116_2_1">Other deductible temporary differences [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherTemporaryDifferencesMember" xlink:to="ifrs-full_OtherTemporaryDifferencesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PartialRedemptionMember" xlink:label="tri_PartialRedemptionMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PartialRedemptionMember_lbl" xml:lang="en-US" id="id_14165682_3541824_3_1">Partial redemption.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PartialRedemptionMember_lbl" xml:lang="en-US" id="id_14165682_3541824_1_1">Partial Redemption [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PartialRedemptionMember_lbl" xml:lang="en-US" id="id_14165682_3541824_2_1">Partial Redemption [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PartialRedemptionMember" xlink:to="tri_PartialRedemptionMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_PastDueStatusAxis" xlink:label="ifrs-full_PastDueStatusAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PastDueStatusAxis_lbl" xml:lang="en-US" id="id_14165682_3421750_1_1">Past due status [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PastDueStatusAxis_lbl" xml:lang="en-US" id="id_14165682_3421750_2_1">Past due status [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PastDueStatusAxis" xlink:to="ifrs-full_PastDueStatusAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_PastDueStatusMember" xlink:label="ifrs-full_PastDueStatusMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PastDueStatusMember_lbl" xml:lang="en-US" id="id_14165682_3422574_1_1">Past due status [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PastDueStatusMember_lbl" xml:lang="en-US" id="id_14165682_3422574_2_1">Past due status [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PastDueStatusMember" xlink:to="ifrs-full_PastDueStatusMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PastServiceCost" xlink:label="tri_PastServiceCost"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PastServiceCost_lbl" xml:lang="en-US" id="id_14165682_3458624_3_1">Past service cost.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PastServiceCost_lbl" xml:lang="en-US" id="id_14165682_3458624_1_1">Past Service Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PastServiceCost_lbl" xml:lang="en-US" id="id_14165682_3458624_2_1">Enhanced benefits, recognized</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PastServiceCost" xlink:to="tri_PastServiceCost_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset" xlink:label="ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3422125_1_1">Past service cost and gains (losses) arising from settlements, net defined benefit liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3422125_2_1">Curtailment gain</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3422125_12_1">Curtailment gains</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3422125_14_1">Curtailment gain</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset" xlink:to="ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_PastServiceCostNetDefinedBenefitLiabilityAsset" xlink:label="ifrs-full_PastServiceCostNetDefinedBenefitLiabilityAsset"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PastServiceCostNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3422423_1_1">Past service cost, net defined benefit liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PastServiceCostNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3422423_14_1">Curtailment gain (loss)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PastServiceCostNetDefinedBenefitLiabilityAsset" xlink:to="ifrs-full_PastServiceCostNetDefinedBenefitLiabilityAsset_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset" xlink:label="ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3422128_1_1">Payments from plan, net defined benefit liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3422128_2_1">Benefits paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3422128_14_1">Benefits paid</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset" xlink:to="ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PaymentsToAcquireAnnuityContractsFromThirdParty" xlink:label="tri_PaymentsToAcquireAnnuityContractsFromThirdParty"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PaymentsToAcquireAnnuityContractsFromThirdParty_lbl" xml:lang="en-US" id="id_14165682_3447016_3_1">Payments to acquire annuity contracts from third party.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PaymentsToAcquireAnnuityContractsFromThirdParty_lbl" xml:lang="en-US" id="id_14165682_3447016_1_1">Payments to acquire annuity contracts from third party</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PaymentsToAcquireAnnuityContractsFromThirdParty_lbl" xml:lang="en-US" id="id_14165682_3447016_2_1">Payment to acquire annuity contract from third party</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PaymentsToAcquireAnnuityContractsFromThirdParty" xlink:to="tri_PaymentsToAcquireAnnuityContractsFromThirdParty_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" xlink:label="ifrs-full_PaymentsToAcquireOrRedeemEntitysShares"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PaymentsToAcquireOrRedeemEntitysShares_lbl" xml:lang="en-US" id="id_14165682_3421754_1_1">Payments to acquire or redeem entity's shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PaymentsToAcquireOrRedeemEntitysShares_lbl" xml:lang="en-US" id="id_14165682_3421754_2_1">Amount returned to shareholders</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_PaymentsToAcquireOrRedeemEntitysShares_lbl" xml:lang="en-US" id="id_14165682_3421754_12_1">Share repurchases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PaymentsToAcquireOrRedeemEntitysShares_lbl" xml:lang="en-US" id="id_14165682_3421754_14_1">Payments on common shares</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" xlink:to="ifrs-full_PaymentsToAcquireOrRedeemEntitysShares_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PensionContribution" xlink:label="tri_PensionContribution"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PensionContribution_lbl" xml:lang="en-US" id="id_14165682_3453271_3_1">Portion of total pension contribution made to US plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PensionContribution_lbl" xml:lang="en-US" id="id_14165682_3453271_1_1">Pension Contribution</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PensionContribution_lbl" xml:lang="en-US" id="id_14165682_3453271_2_1">Pension contribution</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PensionContribution" xlink:to="tri_PensionContribution_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PensionContributionAnnouncementMember" xlink:label="tri_PensionContributionAnnouncementMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PensionContributionAnnouncementMember_lbl" xml:lang="en-US" id="id_14165682_3549718_3_1">Pension contribution announcement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PensionContributionAnnouncementMember_lbl" xml:lang="en-US" id="id_14165682_3549718_1_1">Pension contribution announcement [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PensionContributionAnnouncementMember_lbl" xml:lang="en-US" id="id_14165682_3549718_2_1">Pension contribution announcement [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PensionContributionAnnouncementMember" xlink:to="tri_PensionContributionAnnouncementMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PercentageChangeInRevenuesDueToChangeInForeignExchangeRates" xlink:label="tri_PercentageChangeInRevenuesDueToChangeInForeignExchangeRates"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PercentageChangeInRevenuesDueToChangeInForeignExchangeRates_lbl" xml:lang="en-US" id="id_14165682_3529574_3_1">Percentage change in revenues due to change in foreign exchange rates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PercentageChangeInRevenuesDueToChangeInForeignExchangeRates_lbl" xml:lang="en-US" id="id_14165682_3529574_1_1">Percentage change in revenues due to change in foreign exchange rates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PercentageChangeInRevenuesDueToChangeInForeignExchangeRates_lbl" xml:lang="en-US" id="id_14165682_3529574_2_1">Consolidated revenue</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PercentageChangeInRevenuesDueToChangeInForeignExchangeRates" xlink:to="tri_PercentageChangeInRevenuesDueToChangeInForeignExchangeRates_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PercentageOfAllowanceAccountForCreditLossesOfFinancialAssets" xlink:label="tri_PercentageOfAllowanceAccountForCreditLossesOfFinancialAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PercentageOfAllowanceAccountForCreditLossesOfFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3525736_3_1">Percentage of allowance account for credit losses of financial assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PercentageOfAllowanceAccountForCreditLossesOfFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3525736_1_1">Percentage Of Allowance Account For Credit Losses Of Financial Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PercentageOfAllowanceAccountForCreditLossesOfFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3525736_2_1">Combined allowances, percentage of trade receivables</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PercentageOfAllowanceAccountForCreditLossesOfFinancialAssets" xlink:to="tri_PercentageOfAllowanceAccountForCreditLossesOfFinancialAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PercentageOfCashAndCashEquivalentsAtAMinusOrAboveRatedInstitutions" xlink:label="tri_PercentageOfCashAndCashEquivalentsAtAMinusOrAboveRatedInstitutions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PercentageOfCashAndCashEquivalentsAtAMinusOrAboveRatedInstitutions_lbl" xml:lang="en-US" id="id_14165682_3526071_3_1">Percentage of cash and cash equivalents deposited at A- or above rated institutions. Rating must have been provided by at least one major credit rating agency.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PercentageOfCashAndCashEquivalentsAtAMinusOrAboveRatedInstitutions_lbl" xml:lang="en-US" id="id_14165682_3526071_1_1">Percentage of cash and cash equivalents at A minus or above rated institutions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PercentageOfCashAndCashEquivalentsAtAMinusOrAboveRatedInstitutions_lbl" xml:lang="en-US" id="id_14165682_3526071_2_1">Percentage of cash and cash equivalents at A- or above rated institutions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PercentageOfCashAndCashEquivalentsAtAMinusOrAboveRatedInstitutions" xlink:to="tri_PercentageOfCashAndCashEquivalentsAtAMinusOrAboveRatedInstitutions_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PercentageOfDefinedBenefitObligationAttributableToActiveEmployees" xlink:label="tri_PercentageOfDefinedBenefitObligationAttributableToActiveEmployees"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PercentageOfDefinedBenefitObligationAttributableToActiveEmployees_lbl" xml:lang="en-US" id="id_14165682_3526164_3_1">Percentage of defined benefit obligation attributable to active employees.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PercentageOfDefinedBenefitObligationAttributableToActiveEmployees_lbl" xml:lang="en-US" id="id_14165682_3526164_1_1">Percentage Of Defined Benefit Obligation Attributable to Active Employees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PercentageOfDefinedBenefitObligationAttributableToActiveEmployees_lbl" xml:lang="en-US" id="id_14165682_3526164_2_1">Percentage attributable to active employees</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PercentageOfDefinedBenefitObligationAttributableToActiveEmployees" xlink:to="tri_PercentageOfDefinedBenefitObligationAttributableToActiveEmployees_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PercentageOfDefinedBenefitObligationAttributableToFormerEmployeesNotRetired" xlink:label="tri_PercentageOfDefinedBenefitObligationAttributableToFormerEmployeesNotRetired"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PercentageOfDefinedBenefitObligationAttributableToFormerEmployeesNotRetired_lbl" xml:lang="en-US" id="id_14165682_3523616_3_1">Percentage of defined benefit obligation attributable to former employees not retired.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PercentageOfDefinedBenefitObligationAttributableToFormerEmployeesNotRetired_lbl" xml:lang="en-US" id="id_14165682_3523616_1_1">Percentage Of Defined Benefit Obligation Attributable to Former Employees Not Retired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PercentageOfDefinedBenefitObligationAttributableToFormerEmployeesNotRetired_lbl" xml:lang="en-US" id="id_14165682_3523616_2_1">Percentage attributable to deferred (former employees)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PercentageOfDefinedBenefitObligationAttributableToFormerEmployeesNotRetired" xlink:to="tri_PercentageOfDefinedBenefitObligationAttributableToFormerEmployeesNotRetired_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PercentageOfDefinedBenefitObligationAttributableToParticipantsByGeography" xlink:label="tri_PercentageOfDefinedBenefitObligationAttributableToParticipantsByGeography"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PercentageOfDefinedBenefitObligationAttributableToParticipantsByGeography_lbl" xml:lang="en-US" id="id_14165682_3523618_3_1">Percentage of defined benefit obligation attributable to participants by geography.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PercentageOfDefinedBenefitObligationAttributableToParticipantsByGeography_lbl" xml:lang="en-US" id="id_14165682_3523618_1_1">Percentage Of Defined Benefit Obligation Attributable to Participants by Geography</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PercentageOfDefinedBenefitObligationAttributableToParticipantsByGeography_lbl" xml:lang="en-US" id="id_14165682_3523618_2_1">Employee participation percentage</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PercentageOfDefinedBenefitObligationAttributableToParticipantsByGeography" xlink:to="tri_PercentageOfDefinedBenefitObligationAttributableToParticipantsByGeography_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PercentageOfDefinedBenefitObligationAttributableToRetiredEmployees" xlink:label="tri_PercentageOfDefinedBenefitObligationAttributableToRetiredEmployees"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PercentageOfDefinedBenefitObligationAttributableToRetiredEmployees_lbl" xml:lang="en-US" id="id_14165682_3523617_3_1">Percentage of defined benefit obligation attributable to retired employees.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PercentageOfDefinedBenefitObligationAttributableToRetiredEmployees_lbl" xml:lang="en-US" id="id_14165682_3523617_1_1">Percentage Of Defined Benefit Obligation Attributable to Retired Employees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PercentageOfDefinedBenefitObligationAttributableToRetiredEmployees_lbl" xml:lang="en-US" id="id_14165682_3523617_2_1">Percentage attributable to retirees</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PercentageOfDefinedBenefitObligationAttributableToRetiredEmployees" xlink:to="tri_PercentageOfDefinedBenefitObligationAttributableToRetiredEmployees_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PercentageOfDiscountAllowedForEmployeeStockPurchasePlan" xlink:label="tri_PercentageOfDiscountAllowedForEmployeeStockPurchasePlan"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PercentageOfDiscountAllowedForEmployeeStockPurchasePlan_lbl" xml:lang="en-US" id="id_14165682_3526079_3_1">Percentage of discount allowed for employee stock purchase plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PercentageOfDiscountAllowedForEmployeeStockPurchasePlan_lbl" xml:lang="en-US" id="id_14165682_3526079_1_1">Percentage Of Discount Allowed For Employee Stock Purchase Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PercentageOfDiscountAllowedForEmployeeStockPurchasePlan_lbl" xml:lang="en-US" id="id_14165682_3526079_2_1">Percentage of discount allowed for purchase of shares</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PercentageOfDiscountAllowedForEmployeeStockPurchasePlan" xlink:to="tri_PercentageOfDiscountAllowedForEmployeeStockPurchasePlan_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PercentageOfFinancialAndRiskBusiness" xlink:label="tri_PercentageOfFinancialAndRiskBusiness"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PercentageOfFinancialAndRiskBusiness_lbl" xml:lang="en-US" id="id_14165682_3546006_3_1">Percentage of financial and risk business.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PercentageOfFinancialAndRiskBusiness_lbl" xml:lang="en-US" id="id_14165682_3546006_1_1">Percentage of Financial and Risk Business</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PercentageOfFinancialAndRiskBusiness_lbl" xml:lang="en-US" id="id_14165682_3546006_2_1">Percentage of financial and risk business</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PercentageOfFinancialAndRiskBusiness" xlink:to="tri_PercentageOfFinancialAndRiskBusiness_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PercentageOfOtherEquityInstrumentVested" xlink:label="tri_PercentageOfOtherEquityInstrumentVested"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PercentageOfOtherEquityInstrumentVested_lbl" xml:lang="en-US" id="id_14165682_3526235_3_1">Percentage of other equity instrument vested.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PercentageOfOtherEquityInstrumentVested_lbl" xml:lang="en-US" id="id_14165682_3526235_1_1">Percentage Of Other Equity Instrument Vested</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PercentageOfOtherEquityInstrumentVested_lbl" xml:lang="en-US" id="id_14165682_3526235_2_1">Percentage of options vested</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PercentageOfOtherEquityInstrumentVested" xlink:to="tri_PercentageOfOtherEquityInstrumentVested_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PercentageOfOwnershipHeldByRelatedParty" xlink:label="tri_PercentageOfOwnershipHeldByRelatedParty"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PercentageOfOwnershipHeldByRelatedParty_lbl" xml:lang="en-US" id="id_14165682_3526303_3_1">Percentage of ownership held by related party.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PercentageOfOwnershipHeldByRelatedParty_lbl" xml:lang="en-US" id="id_14165682_3526303_1_1">Percentage of ownership held by related party</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PercentageOfOwnershipHeldByRelatedParty_lbl" xml:lang="en-US" id="id_14165682_3526303_2_1">Beneficial ownership of shares</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PercentageOfOwnershipHeldByRelatedParty" xlink:to="tri_PercentageOfOwnershipHeldByRelatedParty_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PercentageOfOwnershipInterest" xlink:label="tri_PercentageOfOwnershipInterest"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PercentageOfOwnershipInterest_lbl" xml:lang="en-US" id="id_14165682_3531211_3_1">Percentage of ownership Interest.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PercentageOfOwnershipInterest_lbl" xml:lang="en-US" id="id_14165682_3531211_1_1">Percentage of Ownership Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PercentageOfOwnershipInterest_lbl" xml:lang="en-US" id="id_14165682_3531211_2_1">Ownership interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PercentageOfOwnershipInterest" xlink:to="tri_PercentageOfOwnershipInterest_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PercentageOfOwnershipSold" xlink:label="tri_PercentageOfOwnershipSold"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PercentageOfOwnershipSold_lbl" xml:lang="en-US" id="id_14165682_3525748_3_1">Percentage of ownership sold.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PercentageOfOwnershipSold_lbl" xml:lang="en-US" id="id_14165682_3525748_1_1">Percentage Of Ownership Sold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PercentageOfOwnershipSold_lbl" xml:lang="en-US" id="id_14165682_3525748_2_1">Percentage of ownership sold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="tri_PercentageOfOwnershipSold_lbl" xml:lang="en-US" id="id_14165682_3525748_12_1">Percentage of ownership stake sold</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PercentageOfOwnershipSold" xlink:to="tri_PercentageOfOwnershipSold_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PercentageOfParticipantsInDefinedBenefitsPlans" xlink:label="tri_PercentageOfParticipantsInDefinedBenefitsPlans"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PercentageOfParticipantsInDefinedBenefitsPlans_lbl" xml:lang="en-US" id="id_14165682_3526163_3_1">Percentage of participants in defined benefits plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PercentageOfParticipantsInDefinedBenefitsPlans_lbl" xml:lang="en-US" id="id_14165682_3526163_1_1">Percentage Of Participants In Defined Benefits Plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="tri_PercentageOfParticipantsInDefinedBenefitsPlans_lbl" xml:lang="en-US" id="id_14165682_3526163_6_1">Total participation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PercentageOfParticipantsInDefinedBenefitsPlans" xlink:to="tri_PercentageOfParticipantsInDefinedBenefitsPlans_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PercentageOfParticipantsInDefinedBenefitsPlansMember" xlink:label="tri_PercentageOfParticipantsInDefinedBenefitsPlansMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PercentageOfParticipantsInDefinedBenefitsPlansMember_lbl" xml:lang="en-US" id="id_14165682_3490314_3_1">Percentage of participants in defined benefits plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PercentageOfParticipantsInDefinedBenefitsPlansMember_lbl" xml:lang="en-US" id="id_14165682_3490314_1_1">Percentage Of Participants In Defined Benefits Plans [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PercentageOfParticipantsInDefinedBenefitsPlansMember_lbl" xml:lang="en-US" id="id_14165682_3490314_2_1">Percentage of Participants in Defined Benefits Plans [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PercentageOfParticipantsInDefinedBenefitsPlansMember" xlink:to="tri_PercentageOfParticipantsInDefinedBenefitsPlansMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_PercentageOfReasonablyPossibleDecreaseInActuarialAssumption" xlink:label="ifrs-full_PercentageOfReasonablyPossibleDecreaseInActuarialAssumption"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PercentageOfReasonablyPossibleDecreaseInActuarialAssumption_lbl" xml:lang="en-US" id="id_14165682_3422591_1_1">Percentage of reasonably possible decrease in actuarial assumption</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PercentageOfReasonablyPossibleDecreaseInActuarialAssumption_lbl" xml:lang="en-US" id="id_14165682_3422591_2_1">Percentage of reasonably possible change in actuarial assumption</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PercentageOfReasonablyPossibleDecreaseInActuarialAssumption" xlink:to="ifrs-full_PercentageOfReasonablyPossibleDecreaseInActuarialAssumption_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_PercentageOfReasonablyPossibleIncreaseInActuarialAssumption" xlink:label="ifrs-full_PercentageOfReasonablyPossibleIncreaseInActuarialAssumption"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PercentageOfReasonablyPossibleIncreaseInActuarialAssumption_lbl" xml:lang="en-US" id="id_14165682_3422592_1_1">Percentage of reasonably possible increase in actuarial assumption</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PercentageOfReasonablyPossibleIncreaseInActuarialAssumption_lbl" xml:lang="en-US" id="id_14165682_3422592_2_1">Percentage of reasonably possible change in actuarial assumption</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PercentageOfReasonablyPossibleIncreaseInActuarialAssumption" xlink:to="ifrs-full_PercentageOfReasonablyPossibleIncreaseInActuarialAssumption_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PercentageOfShareRecognisedInProfitOrLoss" xlink:label="tri_PercentageOfShareRecognisedInProfitOrLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PercentageOfShareRecognisedInProfitOrLoss_lbl" xml:lang="en-US" id="id_14165682_3526893_3_1">Percentage of share recognised in profit or loss.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PercentageOfShareRecognisedInProfitOrLoss_lbl" xml:lang="en-US" id="id_14165682_3526893_1_1">Percentage Of Share Recognised In Profit Or Loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PercentageOfShareRecognisedInProfitOrLoss_lbl" xml:lang="en-US" id="id_14165682_3526893_2_1">Thomson Reuters % share</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PercentageOfShareRecognisedInProfitOrLoss" xlink:to="tri_PercentageOfShareRecognisedInProfitOrLoss_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PercentageOfValuationTechniques" xlink:label="tri_PercentageOfValuationTechniques"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PercentageOfValuationTechniques_lbl" xml:lang="en-US" id="id_14165682_3526311_3_1">Percentage weighting of valuation technique.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PercentageOfValuationTechniques_lbl" xml:lang="en-US" id="id_14165682_3526311_1_1">Percentage of valuation techniques</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PercentageOfValuationTechniques_lbl" xml:lang="en-US" id="id_14165682_3526311_2_1">Percentage of valuation technique</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PercentageOfValuationTechniques" xlink:to="tri_PercentageOfValuationTechniques_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:label="ifrs-full_PercentageOfVotingEquityInterestsAcquired"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PercentageOfVotingEquityInterestsAcquired_lbl" xml:lang="en-US" id="id_14165682_3422429_1_1">Percentage of voting equity interests acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PercentageOfVotingEquityInterestsAcquired_lbl" xml:lang="en-US" id="id_14165682_3422429_2_1">Percentage of voting equity interests acquired</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:to="ifrs-full_PercentageOfVotingEquityInterestsAcquired_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PercentageOfVotingEquityInterestsRetained" xlink:label="tri_PercentageOfVotingEquityInterestsRetained"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PercentageOfVotingEquityInterestsRetained_lbl" xml:lang="en-US" id="id_14165682_3537261_3_1">Percentage of voting equity interests retained.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PercentageOfVotingEquityInterestsRetained_lbl" xml:lang="en-US" id="id_14165682_3537261_1_1">Percentage of voting equity interests retained</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PercentageOfVotingEquityInterestsRetained_lbl" xml:lang="en-US" id="id_14165682_3537261_2_1">Stake retained</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PercentageOfVotingEquityInterestsRetained" xlink:to="tri_PercentageOfVotingEquityInterestsRetained_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PerformanceRestrictedShareUnitMember" xlink:label="tri_PerformanceRestrictedShareUnitMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PerformanceRestrictedShareUnitMember_lbl" xml:lang="en-US" id="id_14165682_3480253_3_1">Performance restricted share unit.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PerformanceRestrictedShareUnitMember_lbl" xml:lang="en-US" id="id_14165682_3480253_1_1">Performance Restricted Share Unit [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PerformanceRestrictedShareUnitMember_lbl" xml:lang="en-US" id="id_14165682_3480253_2_1">PRSUs [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PerformanceRestrictedShareUnitMember" xlink:to="tri_PerformanceRestrictedShareUnitMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PlanAmendmentsDefinedBenefitLiabilityAsset" xlink:label="tri_PlanAmendmentsDefinedBenefitLiabilityAsset"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PlanAmendmentsDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3549391_3_1">Plan Amendments Defined Benefit Liability Asset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PlanAmendmentsDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3549391_1_1">Plan Amendments Defined Benefit Liability Asset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PlanAmendmentsDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3549391_2_1">Plan amendments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PlanAmendmentsDefinedBenefitLiabilityAsset" xlink:to="tri_PlanAmendmentsDefinedBenefitLiabilityAsset_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_PlanAssetsAtFairValue" xlink:label="ifrs-full_PlanAssetsAtFairValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PlanAssetsAtFairValue_lbl" xml:lang="en-US" id="id_14165682_3422597_1_1">Plan assets, at fair value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PlanAssetsAtFairValue_lbl" xml:lang="en-US" id="id_14165682_3422597_2_1">Fair value of plan assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_PlanAssetsAtFairValue_lbl" xml:lang="en-US" id="id_14165682_3422597_6_1">Total</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PlanAssetsAtFairValue" xlink:to="ifrs-full_PlanAssetsAtFairValue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_PlanAssetsMember" xlink:label="ifrs-full_PlanAssetsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PlanAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3422437_1_1">Plan assets [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PlanAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3422437_2_1">Fair Value of Plan Assets [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PlanAssetsMember" xlink:to="ifrs-full_PlanAssetsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PlanExpenseBenefitRecognizedInIncomeStatementAbstract" xlink:label="tri_PlanExpenseBenefitRecognizedInIncomeStatementAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PlanExpenseBenefitRecognizedInIncomeStatementAbstract_lbl" xml:lang="en-US" id="id_14165682_3426248_3_1">Plan expense benefit recognized in income statement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PlanExpenseBenefitRecognizedInIncomeStatementAbstract_lbl" xml:lang="en-US" id="id_14165682_3426248_1_1">Plan Expense Benefit Recognized In Income Statement [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PlanExpenseBenefitRecognizedInIncomeStatementAbstract_lbl" xml:lang="en-US" id="id_14165682_3426248_2_1">Plan expense recognized in income statement:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PlanExpenseBenefitRecognizedInIncomeStatementAbstract" xlink:to="tri_PlanExpenseBenefitRecognizedInIncomeStatementAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PledgedAssets" xlink:label="tri_PledgedAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PledgedAssets_lbl" xml:lang="en-US" id="id_14165682_3433382_3_1">Pledged assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PledgedAssets_lbl" xml:lang="en-US" id="id_14165682_3433382_1_1">Pledged Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PledgedAssets_lbl" xml:lang="en-US" id="id_14165682_3433382_2_1">Pledged Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PledgedAssets" xlink:to="tri_PledgedAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_PortionOfConsiderationPaidReceivedConsistingOfCashAndCashEquivalents" xlink:label="ifrs-full_PortionOfConsiderationPaidReceivedConsistingOfCashAndCashEquivalents"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PortionOfConsiderationPaidReceivedConsistingOfCashAndCashEquivalents_lbl" xml:lang="en-US" id="id_14165682_3421768_1_1">Portion of consideration paid (received) consisting of cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PortionOfConsiderationPaidReceivedConsistingOfCashAndCashEquivalents_lbl" xml:lang="en-US" id="id_14165682_3421768_2_1">Consideration received - cash and cash equivalents</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PortionOfConsiderationPaidReceivedConsistingOfCashAndCashEquivalents" xlink:to="ifrs-full_PortionOfConsiderationPaidReceivedConsistingOfCashAndCashEquivalents_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_Position1Axis" xlink:label="tri_Position1Axis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_Position1Axis_lbl" xml:lang="en-US" id="id_14165682_3475734_3_1">Position1 [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_Position1Axis_lbl" xml:lang="en-US" id="id_14165682_3475734_1_1">Position1 [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_Position1Axis_lbl" xml:lang="en-US" id="id_14165682_3475734_2_1">Position1 [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_Position1Axis" xlink:to="tri_Position1Axis_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_Position1Domain" xlink:label="tri_Position1Domain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_Position1Domain_lbl" xml:lang="en-US" id="id_14165682_3511507_3_1">Position1 [domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_Position1Domain_lbl" xml:lang="en-US" id="id_14165682_3511507_1_1">Position1 [domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_Position1Domain_lbl" xml:lang="en-US" id="id_14165682_3511507_2_1">Position1 [domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_Position1Domain" xlink:to="tri_Position1Domain_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PostEmploymentBenefitExpense" xlink:label="tri_PostEmploymentBenefitExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PostEmploymentBenefitExpense_lbl" xml:lang="en-US" id="id_14165682_3439685_3_1">The amount of post-employment benefit expense relating to all benefit plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PostEmploymentBenefitExpense_lbl" xml:lang="en-US" id="id_14165682_3439685_1_1">Post Employment Benefit Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PostEmploymentBenefitExpense_lbl" xml:lang="en-US" id="id_14165682_3439685_2_1">Post-employment benefits</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PostEmploymentBenefitExpense" xlink:to="tri_PostEmploymentBenefitExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PostemploymentBenefitExpenseDefinedBenefitMaterialPlans" xlink:label="tri_PostemploymentBenefitExpenseDefinedBenefitMaterialPlans"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PostemploymentBenefitExpenseDefinedBenefitMaterialPlans_lbl" xml:lang="en-US" id="id_14165682_3550894_3_1">Post-employment benefit expense, defined benefit material plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PostemploymentBenefitExpenseDefinedBenefitMaterialPlans_lbl" xml:lang="en-US" id="id_14165682_3550894_1_1">Post-employment benefit expense, defined benefit material plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PostemploymentBenefitExpenseDefinedBenefitMaterialPlans_lbl" xml:lang="en-US" id="id_14165682_3550894_2_1">Defined benefit plan expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PostemploymentBenefitExpenseDefinedBenefitMaterialPlans" xlink:to="tri_PostemploymentBenefitExpenseDefinedBenefitMaterialPlans_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans" xlink:label="ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans_lbl" xml:lang="en-US" id="id_14165682_3421770_1_1">Post-employment benefit expense, defined benefit plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans_lbl" xml:lang="en-US" id="id_14165682_3421770_14_1">Plan expense benefit recognized in income statement</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans" xlink:to="ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans" xlink:label="ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans_lbl" xml:lang="en-US" id="id_14165682_3422602_1_1">Post-employment benefit expense, defined contribution plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans_lbl" xml:lang="en-US" id="id_14165682_3422602_2_1">Post-employment benefit expense, defined contribution plans</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans" xlink:to="ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PotentialRepurchaseOfCommonShares" xlink:label="tri_PotentialRepurchaseOfCommonShares"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PotentialRepurchaseOfCommonShares_lbl" xml:lang="en-US" id="id_14165682_3468496_3_1">Potential repurchase of common shares.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PotentialRepurchaseOfCommonShares_lbl" xml:lang="en-US" id="id_14165682_3468496_1_1">Potential repurchase of common shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PotentialRepurchaseOfCommonShares_lbl" xml:lang="en-US" id="id_14165682_3468496_2_1">Potential repurchase of common shares</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PotentialRepurchaseOfCommonShares" xlink:to="tri_PotentialRepurchaseOfCommonShares_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PredefinedShareRepurchasePlan" xlink:label="tri_PredefinedShareRepurchasePlan"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PredefinedShareRepurchasePlan_lbl" xml:lang="en-US" id="id_14165682_3453174_3_1">Pre-defined plan with broker to allow for the repurchase of shares at times when the Company ordinarily would not be active in the market.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PredefinedShareRepurchasePlan_lbl" xml:lang="en-US" id="id_14165682_3453174_1_1">Pre-defined share repurchase plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PredefinedShareRepurchasePlan_lbl" xml:lang="en-US" id="id_14165682_3453174_2_1">Pre-defnied share repurchase plan</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PredefinedShareRepurchasePlan" xlink:to="tri_PredefinedShareRepurchasePlan_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PredefinedShareRepurchasePlanLiability" xlink:label="tri_PredefinedShareRepurchasePlanLiability"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PredefinedShareRepurchasePlanLiability_lbl" xml:lang="en-US" id="id_14165682_3530151_3_1">Pre-defined share repurchase plan, liability.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PredefinedShareRepurchasePlanLiability_lbl" xml:lang="en-US" id="id_14165682_3530151_1_1">Pre-defined share repurchase plan, liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PredefinedShareRepurchasePlanLiability_lbl" xml:lang="en-US" id="id_14165682_3530151_2_1">Share repurchase commitment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PredefinedShareRepurchasePlanLiability" xlink:to="tri_PredefinedShareRepurchasePlanLiability_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PreferenceSharesDividendsIncomeStatementImpact" xlink:label="tri_PreferenceSharesDividendsIncomeStatementImpact"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PreferenceSharesDividendsIncomeStatementImpact_lbl" xml:lang="en-US" id="id_14165682_3439919_3_1">Preference shares dividends, income statement impact.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PreferenceSharesDividendsIncomeStatementImpact_lbl" xml:lang="en-US" id="id_14165682_3439919_1_1">Preference Shares Dividends, Income Statement Impact</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="tri_PreferenceSharesDividendsIncomeStatementImpact_lbl" xml:lang="en-US" id="id_14165682_3439919_14_1">Less: Dividends declared on preference shares</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PreferenceSharesDividendsIncomeStatementImpact" xlink:to="tri_PreferenceSharesDividendsIncomeStatementImpact_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_PreferenceSharesMember" xlink:label="ifrs-full_PreferenceSharesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PreferenceSharesMember_lbl" xml:lang="en-US" id="id_14165682_3421773_1_1">Preference shares [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PreferenceSharesMember_lbl" xml:lang="en-US" id="id_14165682_3421773_2_1">Preference shares [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PreferenceSharesMember" xlink:to="ifrs-full_PreferenceSharesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PreferredSharesAndOtherExcludedAdditionalPaidInCapital" xlink:label="tri_PreferredSharesAndOtherExcludedAdditionalPaidInCapital"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PreferredSharesAndOtherExcludedAdditionalPaidInCapital_lbl" xml:lang="en-US" id="id_14165682_3549368_3_1">Preferred shares and other excluded additional paid in capital.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PreferredSharesAndOtherExcludedAdditionalPaidInCapital_lbl" xml:lang="en-US" id="id_14165682_3549368_1_1">Preferred shares and other excluded additional paid in capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="tri_PreferredSharesAndOtherExcludedAdditionalPaidInCapital_lbl" xml:lang="en-US" id="id_14165682_3549368_14_1">Preference shares and other excluded additional paid in capital</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PreferredSharesAndOtherExcludedAdditionalPaidInCapital" xlink:to="tri_PreferredSharesAndOtherExcludedAdditionalPaidInCapital_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PrepaidExpensesAndOtherCurrentAssetsAbstract" xlink:label="tri_PrepaidExpensesAndOtherCurrentAssetsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PrepaidExpensesAndOtherCurrentAssetsAbstract_lbl" xml:lang="en-US" id="id_14165682_3428288_3_1">Prepaid Expenses and Other Current Assets [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PrepaidExpensesAndOtherCurrentAssetsAbstract_lbl" xml:lang="en-US" id="id_14165682_3428288_1_1">Prepaid Expenses and Other Current Assets [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PrepaidExpensesAndOtherCurrentAssetsAbstract_lbl" xml:lang="en-US" id="id_14165682_3428288_2_1">Prepaid Expenses and Other Current Assets [abstract]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PrepaidExpensesAndOtherCurrentAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3537240_3_1">Prepaid expenses and other current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PrepaidExpensesAndOtherCurrentAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3537240_1_1">Prepaid expenses and other current assets [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PrepaidExpensesAndOtherCurrentAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3537240_2_1">Prepaid expenses and other current assets [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PrepaidExpensesAndOtherCurrentAssetsMember" xlink:to="tri_PrepaidExpensesAndOtherCurrentAssetsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PrepaidExpensesAndOtherCurrentAssetsRecognisedAsOfAcquisitionDate" xlink:label="tri_PrepaidExpensesAndOtherCurrentAssetsRecognisedAsOfAcquisitionDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PrepaidExpensesAndOtherCurrentAssetsRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3453412_3_1">Prepaid expenses and other current assets recognised as of acquisition date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PrepaidExpensesAndOtherCurrentAssetsRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3453412_1_1">Prepaid Expenses And Other Current Assets Recognised As Of Acquisition Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PrepaidExpensesAndOtherCurrentAssetsRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3453412_2_1">Prepaid expenses and other current assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PrepaidExpensesAndOtherCurrentAssetsRecognisedAsOfAcquisitionDate" xlink:to="tri_PrepaidExpensesAndOtherCurrentAssetsRecognisedAsOfAcquisitionDate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_PresentValueOfDefinedBenefitObligationMember" xlink:label="ifrs-full_PresentValueOfDefinedBenefitObligationMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PresentValueOfDefinedBenefitObligationMember_lbl" xml:lang="en-US" id="id_14165682_3422145_1_1">Present value of defined benefit obligation [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PresentValueOfDefinedBenefitObligationMember_lbl" xml:lang="en-US" id="id_14165682_3422145_2_1">Present Value of Defined Benefit Obligation [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PresentValueOfDefinedBenefitObligationMember" xlink:to="ifrs-full_PresentValueOfDefinedBenefitObligationMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PrimaryDebtInstrumentsMember" xlink:label="tri_PrimaryDebtInstrumentsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PrimaryDebtInstrumentsMember_lbl" xml:lang="en-US" id="id_14165682_3509378_3_1">Primary debt instruments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PrimaryDebtInstrumentsMember_lbl" xml:lang="en-US" id="id_14165682_3509378_1_1">Primary Debt Instruments [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PrimaryDebtInstrumentsMember_lbl" xml:lang="en-US" id="id_14165682_3509378_2_1">Primary debt instruments [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PrimaryDebtInstrumentsMember" xlink:to="tri_PrimaryDebtInstrumentsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PrivateShareRepurchaseAgreementMember" xlink:label="tri_PrivateShareRepurchaseAgreementMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PrivateShareRepurchaseAgreementMember_lbl" xml:lang="en-US" id="id_14165682_3514324_3_1">Private Share Repurchase Agreement [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PrivateShareRepurchaseAgreementMember_lbl" xml:lang="en-US" id="id_14165682_3514324_1_1">Private Share Repurchase Agreement [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PrivateShareRepurchaseAgreementMember_lbl" xml:lang="en-US" id="id_14165682_3514324_2_1">Private Share Repurchase Agreement [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PrivateShareRepurchaseAgreementMember" xlink:to="tri_PrivateShareRepurchaseAgreementMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:label="ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" id="id_14165682_3422615_1_1">Proceeds from borrowings, classified as financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" id="id_14165682_3422615_2_1">Proceeds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" id="id_14165682_3422615_12_1">Proceeds from debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:to="ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" xlink:label="ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations_lbl" xml:lang="en-US" id="id_14165682_3421779_1_1">Proceeds from disposal of non-current assets or disposal groups classified as held for sale and discontinued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations_lbl" xml:lang="en-US" id="id_14165682_3421779_2_1">Proceeds from sale of Financial &amp; Risk</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" xlink:to="ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:label="ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_lbl" xml:lang="en-US" id="id_14165682_3421787_1_1">Proceeds from sales of property, plant and equipment, classified as investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_lbl" xml:lang="en-US" id="id_14165682_3421787_2_1">Proceeds from disposals of property and equipment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:to="ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ProductsAndServicesAxis" xlink:label="ifrs-full_ProductsAndServicesAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProductsAndServicesAxis_lbl" xml:lang="en-US" id="id_14165682_3422620_1_1">Products and services [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProductsAndServicesAxis_lbl" xml:lang="en-US" id="id_14165682_3422620_2_1">Products and services [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProductsAndServicesAxis" xlink:to="ifrs-full_ProductsAndServicesAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ProductsAndServicesMember" xlink:label="ifrs-full_ProductsAndServicesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProductsAndServicesMember_lbl" xml:lang="en-US" id="id_14165682_3423108_1_1">Products and services [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProductsAndServicesMember_lbl" xml:lang="en-US" id="id_14165682_3423108_2_1">Recurring [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProductsAndServicesMember" xlink:to="ifrs-full_ProductsAndServicesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ProfitLoss" xlink:label="ifrs-full_ProfitLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLoss_lbl" xml:lang="en-US" id="id_14165682_3423110_1_1">Profit (loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProfitLoss_lbl" xml:lang="en-US" id="id_14165682_3423110_2_1">Net earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_ProfitLoss_lbl" xml:lang="en-US" id="id_14165682_3423110_6_1">Net earnings</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_ProfitLoss_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ProfitLossAbstract" xlink:label="ifrs-full_ProfitLossAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossAbstract_lbl" xml:lang="en-US" id="id_14165682_3423111_1_1">Profit (loss) [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProfitLossAbstract_lbl" xml:lang="en-US" id="id_14165682_3423111_2_1">CONTINUING OPERATIONS</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossAbstract" xlink:to="ifrs-full_ProfitLossAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ProfitLossAfterTaxDiscontinuedOperations" xlink:label="tri_ProfitLossAfterTaxDiscontinuedOperations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ProfitLossAfterTaxDiscontinuedOperations_lbl" xml:lang="en-US" id="id_14165682_3450748_3_1">Profit (loss), net of tax, before gain on sale of discontinued operation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ProfitLossAfterTaxDiscontinuedOperations_lbl" xml:lang="en-US" id="id_14165682_3450748_1_1">Profit (loss) after tax, discontinued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="tri_ProfitLossAfterTaxDiscontinuedOperations_lbl" xml:lang="en-US" id="id_14165682_3450748_6_1">Earnings from discontinued operations after income tax</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ProfitLossAfterTaxDiscontinuedOperations" xlink:to="tri_ProfitLossAfterTaxDiscontinuedOperations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ProfitLossAttributableToAbstract" xlink:label="ifrs-full_ProfitLossAttributableToAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossAttributableToAbstract_lbl" xml:lang="en-US" id="id_14165682_3423112_1_1">Profit (loss), attributable to [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProfitLossAttributableToAbstract_lbl" xml:lang="en-US" id="id_14165682_3423112_2_1">Earnings attributable to:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossAttributableToAbstract" xlink:to="ifrs-full_ProfitLossAttributableToAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:label="ifrs-full_ProfitLossAttributableToNoncontrollingInterests"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossAttributableToNoncontrollingInterests_lbl" xml:lang="en-US" id="id_14165682_3423113_1_1">Profit (loss), attributable to non-controlling interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProfitLossAttributableToNoncontrollingInterests_lbl" xml:lang="en-US" id="id_14165682_3423113_2_1">Net earnings attributable to non-controlling interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ProfitLossAttributableToNoncontrollingInterests_lbl" xml:lang="en-US" id="id_14165682_3423113_12_1">Non-controlling interests</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:to="ifrs-full_ProfitLossAttributableToNoncontrollingInterests_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:label="ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity_lbl" xml:lang="en-US" id="id_14165682_3422160_1_1">Profit (loss), attributable to ordinary equity holders of parent entity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity_lbl" xml:lang="en-US" id="id_14165682_3422160_6_1">Earnings used in consolidated earnings per share</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:to="ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:label="ifrs-full_ProfitLossAttributableToOwnersOfParent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossAttributableToOwnersOfParent_lbl" xml:lang="en-US" id="id_14165682_3421790_1_1">Profit (loss), attributable to owners of parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProfitLossAttributableToOwnersOfParent_lbl" xml:lang="en-US" id="id_14165682_3421790_2_1">Common shareholders</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ProfitLossAttributableToOwnersOfParent_lbl" xml:lang="en-US" id="id_14165682_3421790_12_1">Earnings attributable to common shareholders</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:to="ifrs-full_ProfitLossAttributableToOwnersOfParent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="ifrs-full_ProfitLossBeforeTax"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossBeforeTax_lbl" xml:lang="en-US" id="id_14165682_3422161_1_1">Profit (loss) before tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_ProfitLossBeforeTax_lbl" xml:lang="en-US" id="id_14165682_3422161_6_1">Earnings from discontinued operations before income tax</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="ifrs-full_ProfitLossBeforeTax_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ProfitLossFromContinuingOperations" xlink:label="ifrs-full_ProfitLossFromContinuingOperations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossFromContinuingOperations_lbl" xml:lang="en-US" id="id_14165682_3422163_1_1">Profit (loss) from continuing operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProfitLossFromContinuingOperations_lbl" xml:lang="en-US" id="id_14165682_3422163_2_1">Earnings from continuing operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_ProfitLossFromContinuingOperations_lbl" xml:lang="en-US" id="id_14165682_3422163_6_1">Earnings from continuing operations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossFromContinuingOperations" xlink:to="ifrs-full_ProfitLossFromContinuingOperations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:label="ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity_lbl" xml:lang="en-US" id="id_14165682_3423114_1_1">Profit (loss) from continuing operations attributable to ordinary equity holders of parent entity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity_lbl" xml:lang="en-US" id="id_14165682_3423114_6_1">Earnings used in earnings per share from continuing operations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:to="ifrs-full_ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ProfitLossFromContinuingOperationsBeforeIncomeTaxExpenseOrIncomeAndBeforeTheCompanyShareOfPosttaxEarningsOrLossesFromEquitymethodInvestments" xlink:label="tri_ProfitLossFromContinuingOperationsBeforeIncomeTaxExpenseOrIncomeAndBeforeTheCompanyShareOfPosttaxEarningsOrLossesFromEquitymethodInvestments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ProfitLossFromContinuingOperationsBeforeIncomeTaxExpenseOrIncomeAndBeforeTheCompanyShareOfPosttaxEarningsOrLossesFromEquitymethodInvestments_lbl" xml:lang="en-US" id="id_14165682_3454581_3_1">Profit (loss) from continuing operations before income tax expense or income and before the company's share of post-tax earnings or losses from equity-method investments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ProfitLossFromContinuingOperationsBeforeIncomeTaxExpenseOrIncomeAndBeforeTheCompanyShareOfPosttaxEarningsOrLossesFromEquitymethodInvestments_lbl" xml:lang="en-US" id="id_14165682_3454581_1_1">Profit (loss) from continuing operations before income tax expense or income and before the company's share of post-tax earnings or losses from equity-method investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="tri_ProfitLossFromContinuingOperationsBeforeIncomeTaxExpenseOrIncomeAndBeforeTheCompanyShareOfPosttaxEarningsOrLossesFromEquitymethodInvestments_lbl" xml:lang="en-US" id="id_14165682_3454581_6_1">Income before tax and equity method investments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ProfitLossFromContinuingOperationsBeforeIncomeTaxExpenseOrIncomeAndBeforeTheCompanyShareOfPosttaxEarningsOrLossesFromEquitymethodInvestments" xlink:to="tri_ProfitLossFromContinuingOperationsBeforeIncomeTaxExpenseOrIncomeAndBeforeTheCompanyShareOfPosttaxEarningsOrLossesFromEquitymethodInvestments_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ProfitLossFromDiscontinuedOperations" xlink:label="ifrs-full_ProfitLossFromDiscontinuedOperations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossFromDiscontinuedOperations_lbl" xml:lang="en-US" id="id_14165682_3422166_1_1">Profit (loss) from discontinued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProfitLossFromDiscontinuedOperations_lbl" xml:lang="en-US" id="id_14165682_3422166_2_1">Earnings from discontinued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_ProfitLossFromDiscontinuedOperations_lbl" xml:lang="en-US" id="id_14165682_3422166_6_1">Earnings from discontinued operations, net of tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ProfitLossFromDiscontinuedOperations_lbl" xml:lang="en-US" id="id_14165682_3422166_12_1">Earnings from discontinued operations, net of tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ProfitLossFromDiscontinuedOperations_lbl" xml:lang="en-US" id="id_14165682_3422166_14_1">Less: Earnings from discontinued operations, net of tax</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossFromDiscontinuedOperations" xlink:to="ifrs-full_ProfitLossFromDiscontinuedOperations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ProfitLossFromDiscontinuedOperationsAttributableToNoncontrollingInterests" xlink:label="ifrs-full_ProfitLossFromDiscontinuedOperationsAttributableToNoncontrollingInterests"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossFromDiscontinuedOperationsAttributableToNoncontrollingInterests_lbl" xml:lang="en-US" id="id_14165682_3423115_1_1">Profit (loss) from discontinued operations attributable to non-controlling interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProfitLossFromDiscontinuedOperationsAttributableToNoncontrollingInterests_lbl" xml:lang="en-US" id="id_14165682_3423115_2_1">Remove: Non-controlling interests from discontinued operations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossFromDiscontinuedOperationsAttributableToNoncontrollingInterests" xlink:to="ifrs-full_ProfitLossFromDiscontinuedOperationsAttributableToNoncontrollingInterests_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ProfitLossFromOperatingActivities" xlink:label="ifrs-full_ProfitLossFromOperatingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossFromOperatingActivities_lbl" xml:lang="en-US" id="id_14165682_3422167_1_1">Profit (loss) from operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_ProfitLossFromOperatingActivities_lbl" xml:lang="en-US" id="id_14165682_3422167_6_1">Operating profit</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossFromOperatingActivities" xlink:to="ifrs-full_ProfitLossFromOperatingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PropertiesLeasedMember" xlink:label="tri_PropertiesLeasedMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PropertiesLeasedMember_lbl" xml:lang="en-US" id="id_14165682_3549691_3_1">Properties leased.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PropertiesLeasedMember_lbl" xml:lang="en-US" id="id_14165682_3549691_1_1">Properties leased [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PropertiesLeasedMember_lbl" xml:lang="en-US" id="id_14165682_3549691_2_1">Properties leased [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PropertiesLeasedMember" xlink:to="tri_PropertiesLeasedMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_PropertyAmountContributedToFairValueOfPlanAssets" xlink:label="ifrs-full_PropertyAmountContributedToFairValueOfPlanAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PropertyAmountContributedToFairValueOfPlanAssets_lbl" xml:lang="en-US" id="id_14165682_3421794_1_1">Real estate, amount contributed to fair value of plan assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PropertyAmountContributedToFairValueOfPlanAssets_lbl" xml:lang="en-US" id="id_14165682_3421794_2_1">Property</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PropertyAmountContributedToFairValueOfPlanAssets" xlink:to="ifrs-full_PropertyAmountContributedToFairValueOfPlanAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_PropertyPlantAndEquipment" xlink:label="ifrs-full_PropertyPlantAndEquipment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_14165682_3423123_1_1">Property, plant and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_PropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_14165682_3423123_4_1">Ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_PropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_14165682_3423123_5_1">Beginning balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_14165682_3423123_2_1">Computer hardware and other property, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_14165682_3423123_14_1">Computer hardware and other property, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PropertyPlantAndEquipment" xlink:to="ifrs-full_PropertyPlantAndEquipment_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_PropertyPlantAndEquipmentMember" xlink:label="ifrs-full_PropertyPlantAndEquipmentMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PropertyPlantAndEquipmentMember_lbl" xml:lang="en-US" id="id_14165682_3422628_1_1">Property, plant and equipment [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PropertyPlantAndEquipmentMember_lbl" xml:lang="en-US" id="id_14165682_3422628_2_1">Property, plant and equipment [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PropertyPlantAndEquipmentMember" xlink:to="ifrs-full_PropertyPlantAndEquipmentMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate" xlink:label="ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3422173_1_1">Property, plant and equipment recognised as of acquisition date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3422173_2_1">Computer hardware and other property</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate" xlink:to="ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ProportionOfOwnershipInterestInAssociate" xlink:label="ifrs-full_ProportionOfOwnershipInterestInAssociate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProportionOfOwnershipInterestInAssociate_lbl" xml:lang="en-US" id="id_14165682_3422176_1_1">Proportion of ownership interest in associate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="ifrs-full_ProportionOfOwnershipInterestInAssociate_lbl" xml:lang="en-US" id="id_14165682_3422176_32_1">Stake retained</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ProportionOfOwnershipInterestInAssociate_lbl" xml:lang="en-US" id="id_14165682_3422176_2_1">Ownership interest retained percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ProportionOfOwnershipInterestInAssociate_lbl" xml:lang="en-US" id="id_14165682_3422176_12_1">Percentage of ownership held</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProportionOfOwnershipInterestInAssociate" xlink:to="ifrs-full_ProportionOfOwnershipInterestInAssociate_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ProvisionForUncertainTaxPositions" xlink:label="tri_ProvisionForUncertainTaxPositions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ProvisionForUncertainTaxPositions_lbl" xml:lang="en-US" id="id_14165682_3453404_3_1">Provision for uncertain tax positions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ProvisionForUncertainTaxPositions_lbl" xml:lang="en-US" id="id_14165682_3453404_1_1">Provision for uncertain tax positions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ProvisionForUncertainTaxPositions_lbl" xml:lang="en-US" id="id_14165682_3453404_2_1">Provision for uncertain tax provisions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ProvisionForUncertainTaxPositions" xlink:to="tri_ProvisionForUncertainTaxPositions_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ProvisionUsedOtherProvisions" xlink:label="ifrs-full_ProvisionUsedOtherProvisions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProvisionUsedOtherProvisions_lbl" xml:lang="en-US" id="id_14165682_3423147_1_1">Provision used, other provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ProvisionUsedOtherProvisions_lbl" xml:lang="en-US" id="id_14165682_3423147_14_1">Utilization</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProvisionUsedOtherProvisions" xlink:to="ifrs-full_ProvisionUsedOtherProvisions_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_PurchaseOfAnnuityInsuranceContractLiability" xlink:label="tri_PurchaseOfAnnuityInsuranceContractLiability"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_PurchaseOfAnnuityInsuranceContractLiability_lbl" xml:lang="en-US" id="id_14165682_3447017_3_1">Purchase of annuity insurance contract liability.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_PurchaseOfAnnuityInsuranceContractLiability_lbl" xml:lang="en-US" id="id_14165682_3447017_1_1">Purchase of annuity insurance contract liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_PurchaseOfAnnuityInsuranceContractLiability_lbl" xml:lang="en-US" id="id_14165682_3447017_2_1">Purchase of annuity insurance contract liability</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_PurchaseOfAnnuityInsuranceContractLiability" xlink:to="tri_PurchaseOfAnnuityInsuranceContractLiability_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:label="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_lbl" xml:lang="en-US" id="id_14165682_3422688_1_1">Purchase of property, plant and equipment, classified as investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_lbl" xml:lang="en-US" id="id_14165682_3422688_14_1">Capital expenditures</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:to="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_PurchaseOfTreasuryShares" xlink:label="ifrs-full_PurchaseOfTreasuryShares"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PurchaseOfTreasuryShares_lbl" xml:lang="en-US" id="id_14165682_3422690_1_1">Purchase of treasury shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_PurchaseOfTreasuryShares_lbl" xml:lang="en-US" id="id_14165682_3422690_2_1">Repurchase of common share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_PurchaseOfTreasuryShares_lbl" xml:lang="en-US" id="id_14165682_3422690_12_1">Repurchase of common shares</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PurchaseOfTreasuryShares" xlink:to="ifrs-full_PurchaseOfTreasuryShares_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_QuarterlyDividendMember" xlink:label="tri_QuarterlyDividendMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_QuarterlyDividendMember_lbl" xml:lang="en-US" id="id_14165682_3477436_3_1">Quarterly dividend [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_QuarterlyDividendMember_lbl" xml:lang="en-US" id="id_14165682_3477436_1_1">Quarterly dividend [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_QuarterlyDividendMember_lbl" xml:lang="en-US" id="id_14165682_3477436_2_1">Quarterly dividend [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_QuarterlyDividendMember" xlink:to="tri_QuarterlyDividendMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_QuotedPlanAssetsMember" xlink:label="tri_QuotedPlanAssetsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_QuotedPlanAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3508920_3_1">Quoted plan assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_QuotedPlanAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3508920_1_1">Quoted Plan Assets [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_QuotedPlanAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3508920_2_1">Quoted Plan Assets [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_QuotedPlanAssetsMember" xlink:to="tri_QuotedPlanAssetsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_RangeAxis" xlink:label="ifrs-full_RangeAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RangeAxis_lbl" xml:lang="en-US" id="id_14165682_3422662_1_1">Range [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RangeAxis_lbl" xml:lang="en-US" id="id_14165682_3422662_2_1">Range [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RangeAxis" xlink:to="ifrs-full_RangeAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_RangeFourMember" xlink:label="tri_RangeFourMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_RangeFourMember_lbl" xml:lang="en-US" id="id_14165682_3480431_3_1">Range four.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_RangeFourMember_lbl" xml:lang="en-US" id="id_14165682_3480431_1_1">Range Four [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_RangeFourMember_lbl" xml:lang="en-US" id="id_14165682_3480431_2_1">40.01 - 45.00 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_RangeFourMember" xlink:to="tri_RangeFourMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_RangeOneMember" xlink:label="tri_RangeOneMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_RangeOneMember_lbl" xml:lang="en-US" id="id_14165682_3480441_3_1">Range one.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_RangeOneMember_lbl" xml:lang="en-US" id="id_14165682_3480441_1_1">Range One [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_RangeOneMember_lbl" xml:lang="en-US" id="id_14165682_3480441_2_1">0.00-30.00 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_RangeOneMember" xlink:to="tri_RangeOneMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_RangesMember" xlink:label="ifrs-full_RangesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RangesMember_lbl" xml:lang="en-US" id="id_14165682_3422700_1_1">Ranges [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RangesMember_lbl" xml:lang="en-US" id="id_14165682_3422700_2_1">Ranges [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RangesMember" xlink:to="ifrs-full_RangesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis" xlink:label="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis_lbl" xml:lang="en-US" id="id_14165682_3422192_1_1">Ranges of exercise prices for outstanding share options [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis_lbl" xml:lang="en-US" id="id_14165682_3422192_2_1">Ranges of exercise prices for outstanding share options [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis" xlink:to="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember" xlink:label="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember_lbl" xml:lang="en-US" id="id_14165682_3422193_1_1">Ranges of exercise prices for outstanding share options [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember_lbl" xml:lang="en-US" id="id_14165682_3422193_2_1">Ranges of exercise prices for outstanding share options [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember" xlink:to="ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_RangeThreeMember" xlink:label="tri_RangeThreeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_RangeThreeMember_lbl" xml:lang="en-US" id="id_14165682_3480440_3_1">Range three.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_RangeThreeMember_lbl" xml:lang="en-US" id="id_14165682_3480440_1_1">Range Three [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_RangeThreeMember_lbl" xml:lang="en-US" id="id_14165682_3480440_2_1">35.01 - 40.00 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_RangeThreeMember" xlink:to="tri_RangeThreeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_RangeTwoMember" xlink:label="tri_RangeTwoMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_RangeTwoMember_lbl" xml:lang="en-US" id="id_14165682_3480439_3_1">Range two.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_RangeTwoMember_lbl" xml:lang="en-US" id="id_14165682_3480439_1_1">Range Two [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_RangeTwoMember_lbl" xml:lang="en-US" id="id_14165682_3480439_2_1">30.01 - 35.00 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_RangeTwoMember" xlink:to="tri_RangeTwoMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_RealEstateExpense" xlink:label="tri_RealEstateExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_RealEstateExpense_lbl" xml:lang="en-US" id="id_14165682_3453257_3_1">Real estate expense.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_RealEstateExpense_lbl" xml:lang="en-US" id="id_14165682_3453257_1_1">Real Estate Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_RealEstateExpense_lbl" xml:lang="en-US" id="id_14165682_3453257_2_1">Real estate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_RealEstateExpense" xlink:to="tri_RealEstateExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ReceiptsForNewsAndContent" xlink:label="tri_ReceiptsForNewsAndContent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ReceiptsForNewsAndContent_lbl" xml:lang="en-US" id="id_14165682_3553447_3_1">The cash inflow to supply news to related parties.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ReceiptsForNewsAndContent_lbl" xml:lang="en-US" id="id_14165682_3553447_1_1">Receipts for news and content</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ReceiptsForNewsAndContent_lbl" xml:lang="en-US" id="id_14165682_3553447_2_1">Receipts for news and content</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ReceiptsForNewsAndContent" xlink:to="tri_ReceiptsForNewsAndContent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax" xlink:label="ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax_lbl" xml:lang="en-US" id="id_14165682_3422206_1_1">Reclassification adjustments on cash flow hedges, net of tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax_lbl" xml:lang="en-US" id="id_14165682_3422206_14_1">Cash flow hedges adjustments to net earnings</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax" xlink:to="ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTaxForeignExchange" xlink:label="tri_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTaxForeignExchange"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTaxForeignExchange_lbl" xml:lang="en-US" id="id_14165682_3550935_3_1">Reclassification adjustments on cash flow hedges, net of tax foreign exchange</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTaxForeignExchange_lbl" xml:lang="en-US" id="id_14165682_3550935_1_1">Reclassification adjustments on cash flow hedges, net of tax foreign exchange</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTaxForeignExchange_lbl" xml:lang="en-US" id="id_14165682_3550935_2_1">Cash flow hedges, transfer from equity (see note 20)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTaxForeignExchange" xlink:to="tri_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTaxForeignExchange_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax" xlink:label="ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax_lbl" xml:lang="en-US" id="id_14165682_3422718_1_1">Reclassification adjustments on exchange differences on translation, net of tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax_lbl" xml:lang="en-US" id="id_14165682_3422718_2_1">Foreign currency translation adjustments to Income Statement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax_lbl" xml:lang="en-US" id="id_14165682_3422718_14_1">Cumulative foreign currency translation adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax_lbl" xml:lang="en-US" id="id_14165682_3422718_18_1">Reclassification of foreign currency translation adjustments on disposal of business</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax" xlink:to="ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_RecognisedAssetsDefinedBenefitPlan" xlink:label="ifrs-full_RecognisedAssetsDefinedBenefitPlan"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RecognisedAssetsDefinedBenefitPlan_lbl" xml:lang="en-US" id="id_14165682_3423559_1_1">Net defined benefit asset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RecognisedAssetsDefinedBenefitPlan_lbl" xml:lang="en-US" id="id_14165682_3423559_2_1">Net defined benefit plan surpluses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_RecognisedAssetsDefinedBenefitPlan_lbl" xml:lang="en-US" id="id_14165682_3423559_12_1">Net plan surpluses recognized in non-current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_RecognisedAssetsDefinedBenefitPlan_lbl" xml:lang="en-US" id="id_14165682_3423559_14_1">Net plan surpluses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RecognisedAssetsDefinedBenefitPlan" xlink:to="ifrs-full_RecognisedAssetsDefinedBenefitPlan_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan" xlink:label="ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan_lbl" xml:lang="en-US" id="id_14165682_3423561_1_1">Net defined benefit liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan_lbl" xml:lang="en-US" id="id_14165682_3423561_2_1">Net defined benefit plan obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan_lbl" xml:lang="en-US" id="id_14165682_3423561_14_1">Net plan obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan_lbl" xml:lang="en-US" id="id_14165682_3423561_18_1">Net plan obligations recognized in non-current liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan" xlink:to="ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_RecognitionOfPriorTaxLosses" xlink:label="tri_RecognitionOfPriorTaxLosses"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_RecognitionOfPriorTaxLosses_lbl" xml:lang="en-US" id="id_14165682_3549374_3_1">Recognition of prior tax losses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_RecognitionOfPriorTaxLosses_lbl" xml:lang="en-US" id="id_14165682_3549374_1_1">Recognition Of Prior Tax Losses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="tri_RecognitionOfPriorTaxLosses_lbl" xml:lang="en-US" id="id_14165682_3549374_14_1">Recognition of tax losses that arose in prior years</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_RecognitionOfPriorTaxLosses" xlink:to="tri_RecognitionOfPriorTaxLosses_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_RecognitionOfPriorYearDeferredTaxAssets" xlink:label="tri_RecognitionOfPriorYearDeferredTaxAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_RecognitionOfPriorYearDeferredTaxAssets_lbl" xml:lang="en-US" id="id_14165682_3549379_3_1">Recognition of prior year deferred tax assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_RecognitionOfPriorYearDeferredTaxAssets_lbl" xml:lang="en-US" id="id_14165682_3549379_1_1">Recognition of prior year deferred tax assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_RecognitionOfPriorYearDeferredTaxAssets_lbl" xml:lang="en-US" id="id_14165682_3549379_2_1">Recognition of prior year deferred tax assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_RecognitionOfPriorYearDeferredTaxAssets" xlink:to="tri_RecognitionOfPriorYearDeferredTaxAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract" xlink:label="ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract_lbl" xml:lang="en-US" id="id_14165682_3422228_1_1">Reconciliation of accounting profit multiplied by applicable tax rates [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract_lbl" xml:lang="en-US" id="id_14165682_3422228_2_1">Reconciliation of accounting profit multiplied by applicable tax rates [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract" xlink:to="ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ReconciliationOfAverageEffectiveTaxRateAndApplicableTaxRateAbstract" xlink:label="ifrs-full_ReconciliationOfAverageEffectiveTaxRateAndApplicableTaxRateAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReconciliationOfAverageEffectiveTaxRateAndApplicableTaxRateAbstract_lbl" xml:lang="en-US" id="id_14165682_3422229_1_1">Reconciliation of average effective tax rate and applicable tax rate [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ReconciliationOfAverageEffectiveTaxRateAndApplicableTaxRateAbstract_lbl" xml:lang="en-US" id="id_14165682_3422229_2_1">Reconciliation of average effective tax rate and applicable tax rate [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReconciliationOfAverageEffectiveTaxRateAndApplicableTaxRateAbstract" xlink:to="ifrs-full_ReconciliationOfAverageEffectiveTaxRateAndApplicableTaxRateAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract" xlink:label="ifrs-full_ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract_lbl" xml:lang="en-US" id="id_14165682_3422230_1_1">Reconciliation of changes in allowance account for credit losses of financial assets [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract_lbl" xml:lang="en-US" id="id_14165682_3422230_2_1">Reconciliation of changes in allowance account for credit losses of financial assets [abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract" xlink:to="ifrs-full_ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_RecurringMember" xlink:label="tri_RecurringMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_RecurringMember_lbl" xml:lang="en-US" id="id_14165682_3495351_3_1">Recurring.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_RecurringMember_lbl" xml:lang="en-US" id="id_14165682_3495351_1_1">Recurring [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_RecurringMember_lbl" xml:lang="en-US" id="id_14165682_3495351_2_1">Recurring [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_RecurringMember" xlink:to="tri_RecurringMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_RecurringRevenuesSubscriptionTerm" xlink:label="tri_RecurringRevenuesSubscriptionTerm"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_RecurringRevenuesSubscriptionTerm_lbl" xml:lang="en-US" id="id_14165682_3537194_3_1">Recurring revenues subscription term.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_RecurringRevenuesSubscriptionTerm_lbl" xml:lang="en-US" id="id_14165682_3537194_1_1">Recurring revenues subscription term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_RecurringRevenuesSubscriptionTerm_lbl" xml:lang="en-US" id="id_14165682_3537194_2_1">Recurring revenues subscription term</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_RecurringRevenuesSubscriptionTerm" xlink:to="tri_RecurringRevenuesSubscriptionTerm_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_RedemptionOfNotesMember" xlink:label="tri_RedemptionOfNotesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_RedemptionOfNotesMember_lbl" xml:lang="en-US" id="id_14165682_3514431_3_1">Redemption of notes [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_RedemptionOfNotesMember_lbl" xml:lang="en-US" id="id_14165682_3514431_1_1">Redemption of notes [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_RedemptionOfNotesMember_lbl" xml:lang="en-US" id="id_14165682_3514431_2_1">Redemption of notes [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_RedemptionOfNotesMember" xlink:to="tri_RedemptionOfNotesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ReductionOfFairValueAdjustmentsForHedges" xlink:label="tri_ReductionOfFairValueAdjustmentsForHedges"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ReductionOfFairValueAdjustmentsForHedges_lbl" xml:lang="en-US" id="id_14165682_3433355_3_1">Interest-related fair value component of hedging instruments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ReductionOfFairValueAdjustmentsForHedges_lbl" xml:lang="en-US" id="id_14165682_3433355_1_1">Reduction Of Fair Value Adjustments For Hedges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="tri_ReductionOfFairValueAdjustmentsForHedges_lbl" xml:lang="en-US" id="id_14165682_3433355_14_1">Remove fair value adjustments for hedges</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ReductionOfFairValueAdjustmentsForHedges" xlink:to="tri_ReductionOfFairValueAdjustmentsForHedges_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_RefinitivMember" xlink:label="tri_RefinitivMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_RefinitivMember_lbl" xml:lang="en-US" id="id_14165682_3537295_3_1">Refinitiv.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_RefinitivMember_lbl" xml:lang="en-US" id="id_14165682_3537295_1_1">Refinitiv [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_RefinitivMember_lbl" xml:lang="en-US" id="id_14165682_3537295_2_1">Refinitiv [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_RefinitivMember" xlink:to="tri_RefinitivMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ReinvestmentFund" xlink:label="tri_ReinvestmentFund"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ReinvestmentFund_lbl" xml:lang="en-US" id="id_14165682_3537276_3_1">Reinvestment Fund</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ReinvestmentFund_lbl" xml:lang="en-US" id="id_14165682_3537276_1_1">Reinvestment Fund</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ReinvestmentFund_lbl" xml:lang="en-US" id="id_14165682_3537276_2_1">Reinvestment fund</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ReinvestmentFund" xlink:to="tri_ReinvestmentFund_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_RelatedPartyTransactionsAbstract" xlink:label="ifrs-full_RelatedPartyTransactionsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RelatedPartyTransactionsAbstract_lbl" xml:lang="en-US" id="id_14165682_3422751_1_1">Related party transactions [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RelatedPartyTransactionsAbstract_lbl" xml:lang="en-US" id="id_14165682_3422751_2_1">Related party transactions [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RelatedPartyTransactionsAbstract" xlink:to="ifrs-full_RelatedPartyTransactionsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_RemeasurementLossOnInvestment" xlink:label="tri_RemeasurementLossOnInvestment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_RemeasurementLossOnInvestment_lbl" xml:lang="en-US" id="id_14165682_3549371_3_1">Remeasurement loss on investment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_RemeasurementLossOnInvestment_lbl" xml:lang="en-US" id="id_14165682_3549371_1_1">Remeasurement Loss on investment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_RemeasurementLossOnInvestment_lbl" xml:lang="en-US" id="id_14165682_3549371_2_1">Re-measurement loss</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_RemeasurementLossOnInvestment" xlink:to="tri_RemeasurementLossOnInvestment_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_RentalExpense" xlink:label="ifrs-full_RentalExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RentalExpense_lbl" xml:lang="en-US" id="id_14165682_3423194_1_1">Rental expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RentalExpense_lbl" xml:lang="en-US" id="id_14165682_3423194_2_1">Decrease of lease expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RentalExpense" xlink:to="ifrs-full_RentalExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_RepaymentsOfBondsNotesAndDebentures" xlink:label="ifrs-full_RepaymentsOfBondsNotesAndDebentures"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RepaymentsOfBondsNotesAndDebentures_lbl" xml:lang="en-US" id="id_14165682_3423577_1_1">Repayments of bonds, notes and debentures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RepaymentsOfBondsNotesAndDebentures_lbl" xml:lang="en-US" id="id_14165682_3423577_2_1">Debt repaid</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RepaymentsOfBondsNotesAndDebentures" xlink:to="ifrs-full_RepaymentsOfBondsNotesAndDebentures_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:label="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" id="id_14165682_3423198_1_1">Repayments of borrowings, classified as financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_lbl" xml:lang="en-US" id="id_14165682_3423198_14_1">Repayments of debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:to="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ReportableSegmentsMember" xlink:label="ifrs-full_ReportableSegmentsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReportableSegmentsMember_lbl" xml:lang="en-US" id="id_14165682_3423199_1_1">Reportable segments [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ReportableSegmentsMember_lbl" xml:lang="en-US" id="id_14165682_3423199_2_1">Reportable segments [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReportableSegmentsMember" xlink:to="ifrs-full_ReportableSegmentsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_RepositionCost" xlink:label="tri_RepositionCost"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_RepositionCost_lbl" xml:lang="en-US" id="id_14165682_3546082_3_1">Reposition cost.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_RepositionCost_lbl" xml:lang="en-US" id="id_14165682_3546082_1_1">Reposition cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_RepositionCost_lbl" xml:lang="en-US" id="id_14165682_3546082_2_1">Cost of reposition of Company for growth and scale</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_RepositionCost" xlink:to="tri_RepositionCost_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_RepurchasesOfCommonSharesMember" xlink:label="tri_RepurchasesOfCommonSharesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_RepurchasesOfCommonSharesMember_lbl" xml:lang="en-US" id="id_14165682_3542400_3_1">Repurchases of common shares [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_RepurchasesOfCommonSharesMember_lbl" xml:lang="en-US" id="id_14165682_3542400_1_1">Repurchases of common shares [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_RepurchasesOfCommonSharesMember_lbl" xml:lang="en-US" id="id_14165682_3542400_2_1">Repurchases of common shares [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_RepurchasesOfCommonSharesMember" xlink:to="tri_RepurchasesOfCommonSharesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:label="ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember_lbl" xml:lang="en-US" id="id_14165682_3423592_1_1">Reserve of exchange differences on translation [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember_lbl" xml:lang="en-US" id="id_14165682_3423592_2_1">Foreign currency translation adjustments [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:to="ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ReserveOfGainsAndLossesOnFinancialInstrumentsMember" xlink:label="tri_ReserveOfGainsAndLossesOnFinancialInstrumentsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ReserveOfGainsAndLossesOnFinancialInstrumentsMember_lbl" xml:lang="en-US" id="id_14165682_3549334_3_1">Reserve of gains and losses on financial instruments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ReserveOfGainsAndLossesOnFinancialInstrumentsMember_lbl" xml:lang="en-US" id="id_14165682_3549334_1_1">Reserve of gains and losses on financial instruments [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ReserveOfGainsAndLossesOnFinancialInstrumentsMember_lbl" xml:lang="en-US" id="id_14165682_3549334_2_1">Unrecognized gain (loss) on financial instruments [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ReserveOfGainsAndLossesOnFinancialInstrumentsMember" xlink:to="tri_ReserveOfGainsAndLossesOnFinancialInstrumentsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_RestatedMember" xlink:label="ifrs-full_RestatedMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RestatedMember_lbl" xml:lang="en-US" id="id_14165682_3423218_1_1">Currently stated [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RestatedMember_lbl" xml:lang="en-US" id="id_14165682_3423218_2_1">Currently stated [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RestatedMember" xlink:to="ifrs-full_RestatedMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_RestOfWorldMember" xlink:label="tri_RestOfWorldMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_RestOfWorldMember_lbl" xml:lang="en-US" id="id_14165682_3476156_3_1">Rest of world.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_RestOfWorldMember_lbl" xml:lang="en-US" id="id_14165682_3476156_1_1">Rest Of World [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_RestOfWorldMember_lbl" xml:lang="en-US" id="id_14165682_3476156_2_1">Rest of World [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_RestOfWorldMember" xlink:to="tri_RestOfWorldMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_RestrictedCashAndCashEquivalents" xlink:label="ifrs-full_RestrictedCashAndCashEquivalents"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RestrictedCashAndCashEquivalents_lbl" xml:lang="en-US" id="id_14165682_3422769_1_1">Restricted cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RestrictedCashAndCashEquivalents_lbl" xml:lang="en-US" id="id_14165682_3422769_2_1">Restricted cash and cash equivalents</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RestrictedCashAndCashEquivalents" xlink:to="ifrs-full_RestrictedCashAndCashEquivalents_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_RestructuringMember" xlink:label="tri_RestructuringMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_RestructuringMember_lbl" xml:lang="en-US" id="id_14165682_3488607_3_1">Restructuring.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_RestructuringMember_lbl" xml:lang="en-US" id="id_14165682_3488607_1_1">Restructuring [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_RestructuringMember_lbl" xml:lang="en-US" id="id_14165682_3488607_2_1">Restructuring [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_RestructuringMember" xlink:to="tri_RestructuringMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_RetainedEarnings" xlink:label="ifrs-full_RetainedEarnings"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RetainedEarnings_lbl" xml:lang="en-US" id="id_14165682_3422771_1_1">Retained earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RetainedEarnings_lbl" xml:lang="en-US" id="id_14165682_3422771_2_1">Adjustment to opening balance of retained earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_RetainedEarnings_lbl" xml:lang="en-US" id="id_14165682_3422771_12_1">Retained earnings</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RetainedEarnings" xlink:to="ifrs-full_RetainedEarnings_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_RetainedEarningsMember" xlink:label="ifrs-full_RetainedEarningsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RetainedEarningsMember_lbl" xml:lang="en-US" id="id_14165682_3422911_1_1">Retained earnings [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RetainedEarningsMember_lbl" xml:lang="en-US" id="id_14165682_3422911_2_1">Retained earnings [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RetainedEarningsMember" xlink:to="ifrs-full_RetainedEarningsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_RetirementsIntangibleAssetsAndGoodwill" xlink:label="ifrs-full_RetirementsIntangibleAssetsAndGoodwill"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RetirementsIntangibleAssetsAndGoodwill_lbl" xml:lang="en-US" id="id_14165682_3422773_1_1">Retirements, intangible assets and goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_RetirementsIntangibleAssetsAndGoodwill_lbl" xml:lang="en-US" id="id_14165682_3422773_14_1">Removed from service</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RetirementsIntangibleAssetsAndGoodwill" xlink:to="ifrs-full_RetirementsIntangibleAssetsAndGoodwill_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_RetirementsIntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_RetirementsIntangibleAssetsOtherThanGoodwill"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RetirementsIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" id="id_14165682_3422774_1_1">Retirements, intangible assets other than goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_RetirementsIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" id="id_14165682_3422774_14_1">Removed from service</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RetirementsIntangibleAssetsOtherThanGoodwill" xlink:to="ifrs-full_RetirementsIntangibleAssetsOtherThanGoodwill_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_RetirementsPropertyPlantAndEquipment" xlink:label="ifrs-full_RetirementsPropertyPlantAndEquipment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RetirementsPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_14165682_3422912_1_1">Retirements, property, plant and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_RetirementsPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_14165682_3422912_14_1">Removed from service</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RetirementsPropertyPlantAndEquipment" xlink:to="ifrs-full_RetirementsPropertyPlantAndEquipment_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis" xlink:label="ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis_lbl" xml:lang="en-US" id="id_14165682_3422913_1_1">Retrospective application and retrospective restatement [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis_lbl" xml:lang="en-US" id="id_14165682_3422913_2_1">Retrospective application and retrospective restatement [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis" xlink:to="ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ReturnOfCapitalMember" xlink:label="tri_ReturnOfCapitalMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ReturnOfCapitalMember_lbl" xml:lang="en-US" id="id_14165682_3541819_3_1">Return of capital.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ReturnOfCapitalMember_lbl" xml:lang="en-US" id="id_14165682_3541819_1_1">Return of Capital [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ReturnOfCapitalMember_lbl" xml:lang="en-US" id="id_14165682_3541819_2_1">Return of capital [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ReturnOfCapitalMember" xlink:to="tri_ReturnOfCapitalMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ReturnOfCapitalOnCommonShares" xlink:label="tri_ReturnOfCapitalOnCommonShares"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ReturnOfCapitalOnCommonShares_lbl" xml:lang="en-US" id="id_14165682_3537172_3_1">Return of capital on common shares.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ReturnOfCapitalOnCommonShares_lbl" xml:lang="en-US" id="id_14165682_3537172_1_1">Return of capital on common shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ReturnOfCapitalOnCommonShares_lbl" xml:lang="en-US" id="id_14165682_3537172_2_1">Return of capital transaction</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ReturnOfCapitalOnCommonShares" xlink:to="tri_ReturnOfCapitalOnCommonShares_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ReturnOfCapitalOnCommonSharesMember" xlink:label="tri_ReturnOfCapitalOnCommonSharesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ReturnOfCapitalOnCommonSharesMember_lbl" xml:lang="en-US" id="id_14165682_3542167_3_1">Return of capital on common shares [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ReturnOfCapitalOnCommonSharesMember_lbl" xml:lang="en-US" id="id_14165682_3542167_1_1">Return of capital on common shares [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ReturnOfCapitalOnCommonSharesMember_lbl" xml:lang="en-US" id="id_14165682_3542167_2_1">Return of capital on common shares [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ReturnOfCapitalOnCommonSharesMember" xlink:to="tri_ReturnOfCapitalOnCommonSharesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ReturnOnCapitalMember" xlink:label="tri_ReturnOnCapitalMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ReturnOnCapitalMember_lbl" xml:lang="en-US" id="id_14165682_3499851_3_1">Return on Capital [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ReturnOnCapitalMember_lbl" xml:lang="en-US" id="id_14165682_3499851_1_1">Return on Capital [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ReturnOnCapitalMember_lbl" xml:lang="en-US" id="id_14165682_3499851_2_1">Return on Capital [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ReturnOnCapitalMember" xlink:to="tri_ReturnOnCapitalMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset" xlink:label="ifrs-full_ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3423607_1_1">Return on plan assets excluding interest income or expense, net defined benefit liability (asset)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3423607_2_1">Return on plan assets greater than discount rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset_lbl" xml:lang="en-US" id="id_14165682_3423607_14_1">Return on plan assets excluding amounts included in interest income</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset" xlink:to="ifrs-full_ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ReutersMember" xlink:label="tri_ReutersMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ReutersMember_lbl" xml:lang="en-US" id="id_14165682_3480295_3_1">Reuters.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ReutersMember_lbl" xml:lang="en-US" id="id_14165682_3480295_1_1">Reuters [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ReutersMember_lbl" xml:lang="en-US" id="id_14165682_3480295_2_1">Reuters [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ReutersMember" xlink:to="tri_ReutersMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ReutersNewsMember" xlink:label="tri_ReutersNewsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ReutersNewsMember_lbl" xml:lang="en-US" id="id_14165682_3495353_3_1">Reuters news.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ReutersNewsMember_lbl" xml:lang="en-US" id="id_14165682_3495353_1_1">Reuters News [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ReutersNewsMember_lbl" xml:lang="en-US" id="id_14165682_3495353_2_1">Reuters News [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ReutersNewsMember" xlink:to="tri_ReutersNewsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ReutersPensionFundMember" xlink:label="tri_ReutersPensionFundMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ReutersPensionFundMember_lbl" xml:lang="en-US" id="id_14165682_3480386_3_1">Reuters pension fund.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ReutersPensionFundMember_lbl" xml:lang="en-US" id="id_14165682_3480386_1_1">Reuters pension fund [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ReutersPensionFundMember_lbl" xml:lang="en-US" id="id_14165682_3480386_2_1">Reuters pension fund [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ReutersPensionFundMember" xlink:to="tri_ReutersPensionFundMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_Revenue" xlink:label="ifrs-full_Revenue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Revenue_lbl" xml:lang="en-US" id="id_14165682_3422778_1_1">Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_Revenue_lbl" xml:lang="en-US" id="id_14165682_3422778_2_1">Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_Revenue_lbl" xml:lang="en-US" id="id_14165682_3422778_12_1">Revenues</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Revenue" xlink:to="ifrs-full_Revenue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_RevenueFromContractsWithCustomers" xlink:label="ifrs-full_RevenueFromContractsWithCustomers"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RevenueFromContractsWithCustomers_lbl" xml:lang="en-US" id="id_14165682_3423224_1_1">Revenue from contracts with customers</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RevenueFromContractsWithCustomers_lbl" xml:lang="en-US" id="id_14165682_3423224_2_1">Revenue</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RevenueFromContractsWithCustomers" xlink:to="ifrs-full_RevenueFromContractsWithCustomers_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_RevenueFromPerformanceObligationsSatisfiedOrPartiallySatisfiedInPreviousPeriods" xlink:label="ifrs-full_RevenueFromPerformanceObligationsSatisfiedOrPartiallySatisfiedInPreviousPeriods"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RevenueFromPerformanceObligationsSatisfiedOrPartiallySatisfiedInPreviousPeriods_lbl" xml:lang="en-US" id="id_14165682_3423614_1_1">Revenue from performance obligations satisfied or partially satisfied in previous periods</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_RevenueFromPerformanceObligationsSatisfiedOrPartiallySatisfiedInPreviousPeriods_lbl" xml:lang="en-US" id="id_14165682_3423614_2_1">Aggregate amount of transaction price allocated to remaining performance obligations, per year</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RevenueFromPerformanceObligationsSatisfiedOrPartiallySatisfiedInPreviousPeriods" xlink:to="ifrs-full_RevenueFromPerformanceObligationsSatisfiedOrPartiallySatisfiedInPreviousPeriods_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_RevenueOfRemainingPerformanceObligations" xlink:label="tri_RevenueOfRemainingPerformanceObligations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_RevenueOfRemainingPerformanceObligations_lbl" xml:lang="en-US" id="id_14165682_3537313_3_1">Revenue of remaining performance obligations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_RevenueOfRemainingPerformanceObligations_lbl" xml:lang="en-US" id="id_14165682_3537313_1_1">Revenue of remaining performance obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_RevenueOfRemainingPerformanceObligations_lbl" xml:lang="en-US" id="id_14165682_3537313_2_1">2019</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_RevenueOfRemainingPerformanceObligations" xlink:to="tri_RevenueOfRemainingPerformanceObligations_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ReverseStockSplit" xlink:label="tri_ReverseStockSplit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ReverseStockSplit_lbl" xml:lang="en-US" id="id_14165682_3468167_3_1">Reverse stock split.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ReverseStockSplit_lbl" xml:lang="en-US" id="id_14165682_3468167_1_1">Reverse stock split</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ReverseStockSplit_lbl" xml:lang="en-US" id="id_14165682_3468167_2_1">Reverse stock split</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ReverseStockSplit" xlink:to="tri_ReverseStockSplit_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_RevolvingCreditFacility1Member" xlink:label="tri_RevolvingCreditFacility1Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_RevolvingCreditFacility1Member_lbl" xml:lang="en-US" id="id_14165682_3507530_3_1">Revolving credit facility1.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_RevolvingCreditFacility1Member_lbl" xml:lang="en-US" id="id_14165682_3507530_1_1">Revolving Credit Facility 1 [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_RevolvingCreditFacility1Member_lbl" xml:lang="en-US" id="id_14165682_3507530_2_1">Revolving Credit Facility 1 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_RevolvingCreditFacility1Member" xlink:to="tri_RevolvingCreditFacility1Member_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_SalariesCommissionAndAllowances" xlink:label="tri_SalariesCommissionAndAllowances"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_SalariesCommissionAndAllowances_lbl" xml:lang="en-US" id="id_14165682_3453254_3_1">Total expense for salaries, commissions, and allowances. And includes severance costs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_SalariesCommissionAndAllowances_lbl" xml:lang="en-US" id="id_14165682_3453254_1_1">Salaries commission and allowances</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_SalariesCommissionAndAllowances_lbl" xml:lang="en-US" id="id_14165682_3453254_2_1">Salaries, commissions and allowances</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_SalariesCommissionAndAllowances" xlink:to="tri_SalariesCommissionAndAllowances_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_SalariesCommissionsAndAllowancesIncludeSeveranceCosts" xlink:label="tri_SalariesCommissionsAndAllowancesIncludeSeveranceCosts"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_SalariesCommissionsAndAllowancesIncludeSeveranceCosts_lbl" xml:lang="en-US" id="id_14165682_3545952_3_1">Salaries, commissions and allowances include severance costs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_SalariesCommissionsAndAllowancesIncludeSeveranceCosts_lbl" xml:lang="en-US" id="id_14165682_3545952_1_1">Salaries Commissions And Allowances Include Severance Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_SalariesCommissionsAndAllowancesIncludeSeveranceCosts_lbl" xml:lang="en-US" id="id_14165682_3545952_2_1">Severance costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_SalariesCommissionsAndAllowancesIncludeSeveranceCosts" xlink:to="tri_SalariesCommissionsAndAllowancesIncludeSeveranceCosts_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ScheduleOfChangesInDefinedBenefitObligationExplanatory" xlink:label="tri_ScheduleOfChangesInDefinedBenefitObligationExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ScheduleOfChangesInDefinedBenefitObligationExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516829_3_1">Schedule of changes in the defined benefit obligation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ScheduleOfChangesInDefinedBenefitObligationExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516829_1_1">Schedule of changes in defined benefit obligation [Table Text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ScheduleOfChangesInDefinedBenefitObligationExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516829_2_1">Net Defined Benefit Plan Obligations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ScheduleOfChangesInDefinedBenefitObligationExplanatory" xlink:to="tri_ScheduleOfChangesInDefinedBenefitObligationExplanatory_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_SegmentConsolidationItemsAxis" xlink:label="ifrs-full_SegmentConsolidationItemsAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SegmentConsolidationItemsAxis_lbl" xml:lang="en-US" id="id_14165682_3423661_1_1">Segment consolidation items [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_SegmentConsolidationItemsAxis_lbl" xml:lang="en-US" id="id_14165682_3423661_2_1">Segment consolidation items [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SegmentConsolidationItemsAxis" xlink:to="ifrs-full_SegmentConsolidationItemsAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_SegmentsAxis" xlink:label="ifrs-full_SegmentsAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SegmentsAxis_lbl" xml:lang="en-US" id="id_14165682_3422831_1_1">Segments [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_SegmentsAxis_lbl" xml:lang="en-US" id="id_14165682_3422831_2_1">Segments [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SegmentsAxis" xlink:to="ifrs-full_SegmentsAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_SegmentsMember" xlink:label="ifrs-full_SegmentsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SegmentsMember_lbl" xml:lang="en-US" id="id_14165682_3423663_1_1">Segments [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_SegmentsMember_lbl" xml:lang="en-US" id="id_14165682_3423663_2_1">Segments [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SegmentsMember" xlink:to="ifrs-full_SegmentsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_SeriesIICumulativeRedeemablePreferenceShareCapitalMember" xlink:label="tri_SeriesIICumulativeRedeemablePreferenceShareCapitalMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_SeriesIICumulativeRedeemablePreferenceShareCapitalMember_lbl" xml:lang="en-US" id="id_14165682_3480197_3_1">Series II cumulative redeemable preference share capital.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_SeriesIICumulativeRedeemablePreferenceShareCapitalMember_lbl" xml:lang="en-US" id="id_14165682_3480197_1_1">Series II Cumulative Redeemable Preference Share Capital [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_SeriesIICumulativeRedeemablePreferenceShareCapitalMember_lbl" xml:lang="en-US" id="id_14165682_3480197_2_1">Series ii cumulative redeemable preference share capital [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_SeriesIICumulativeRedeemablePreferenceShareCapitalMember" xlink:to="tri_SeriesIICumulativeRedeemablePreferenceShareCapitalMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ShareAppreciationRightsMember" xlink:label="tri_ShareAppreciationRightsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ShareAppreciationRightsMember_lbl" xml:lang="en-US" id="id_14165682_3480373_3_1">Share appreciation rights.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ShareAppreciationRightsMember_lbl" xml:lang="en-US" id="id_14165682_3480373_1_1">Share Appreciation Rights [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ShareAppreciationRightsMember_lbl" xml:lang="en-US" id="id_14165682_3480373_2_1">SARs [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ShareAppreciationRightsMember" xlink:to="tri_ShareAppreciationRightsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_SharebasedPaymentArrangementsMember" xlink:label="ifrs-full_SharebasedPaymentArrangementsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SharebasedPaymentArrangementsMember_lbl" xml:lang="en-US" id="id_14165682_3422970_1_1">Share-based payment arrangements [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_SharebasedPaymentArrangementsMember_lbl" xml:lang="en-US" id="id_14165682_3422970_2_1">Share-based payment arrangements [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SharebasedPaymentArrangementsMember" xlink:to="ifrs-full_SharebasedPaymentArrangementsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:label="ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossBeforeTax"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossBeforeTax_lbl" xml:lang="en-US" id="id_14165682_3422978_1_1">Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, before tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossBeforeTax_lbl" xml:lang="en-US" id="id_14165682_3422978_2_1">Share of other comprehensive loss in equity method investments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:to="ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossBeforeTax_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossBeforeTax" xlink:label="ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossBeforeTax"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossBeforeTax_lbl" xml:lang="en-US" id="id_14165682_3422979_1_1">Share of other comprehensive income of associates and joint ventures accounted for using equity method that will not be reclassified to profit or loss, before tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossBeforeTax_lbl" xml:lang="en-US" id="id_14165682_3422979_2_1">Share of other comprehensive loss in equity method investments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossBeforeTax" xlink:to="ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossBeforeTax_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:label="ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod_lbl" xml:lang="en-US" id="id_14165682_3423684_1_1">Share of profit (loss) of associates and joint ventures accounted for using equity method</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod_lbl" xml:lang="en-US" id="id_14165682_3423684_2_1">Share of post-tax losses in equity method investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod_lbl" xml:lang="en-US" id="id_14165682_3423684_12_1">Total share of post-tax losses in equity method investments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:to="ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:label="ifrs-full_ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod_lbl" xml:lang="en-US" id="id_14165682_3423685_1_1">Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod_lbl" xml:lang="en-US" id="id_14165682_3423685_2_1">Thomson Reuters carrying amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:to="ifrs-full_ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_SharePremiumMember" xlink:label="ifrs-full_SharePremiumMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SharePremiumMember_lbl" xml:lang="en-US" id="id_14165682_3422849_1_1">Share premium [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_SharePremiumMember_lbl" xml:lang="en-US" id="id_14165682_3422849_2_1">Contributed surplus [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SharePremiumMember" xlink:to="ifrs-full_SharePremiumMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_SharePricePaid" xlink:label="tri_SharePricePaid"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_SharePricePaid_lbl" xml:lang="en-US" id="id_14165682_3541680_3_1">Share price Thomas Reuters paid.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_SharePricePaid_lbl" xml:lang="en-US" id="id_14165682_3541680_1_1">Share Price Paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_SharePricePaid_lbl" xml:lang="en-US" id="id_14165682_3541680_2_1">Price per share paid</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_SharePricePaid" xlink:to="tri_SharePricePaid_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ShareRedemptionPrice" xlink:label="tri_ShareRedemptionPrice"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ShareRedemptionPrice_lbl" xml:lang="en-US" id="id_14165682_3522762_3_1">Share redemption price.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ShareRedemptionPrice_lbl" xml:lang="en-US" id="id_14165682_3522762_1_1">Share Redemption Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ShareRedemptionPrice_lbl" xml:lang="en-US" id="id_14165682_3522762_2_1">Redemption price of shares</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ShareRedemptionPrice" xlink:to="tri_ShareRedemptionPrice_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ShareRepurchaseProgramMember" xlink:label="tri_ShareRepurchaseProgramMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ShareRepurchaseProgramMember_lbl" xml:lang="en-US" id="id_14165682_3528992_3_1">Share repurchase program [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ShareRepurchaseProgramMember_lbl" xml:lang="en-US" id="id_14165682_3528992_1_1">Share repurchase program [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ShareRepurchaseProgramMember_lbl" xml:lang="en-US" id="id_14165682_3528992_2_1">Pre-defined share repurchase program with broker [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ShareRepurchaseProgramMember" xlink:to="tri_ShareRepurchaseProgramMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ShareRepurchasesMember" xlink:label="tri_ShareRepurchasesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ShareRepurchasesMember_lbl" xml:lang="en-US" id="id_14165682_3541814_3_1">Share repurchases.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ShareRepurchasesMember_lbl" xml:lang="en-US" id="id_14165682_3541814_1_1">Share repurchases [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ShareRepurchasesMember_lbl" xml:lang="en-US" id="id_14165682_3541814_2_1">Share repurchases [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ShareRepurchasesMember" xlink:to="tri_ShareRepurchasesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_SharesIssuedOrPurchasedByTypeAxis" xlink:label="tri_SharesIssuedOrPurchasedByTypeAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_SharesIssuedOrPurchasedByTypeAxis_lbl" xml:lang="en-US" id="id_14165682_3475767_3_1">Shares Issued Or Purchased By Type [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_SharesIssuedOrPurchasedByTypeAxis_lbl" xml:lang="en-US" id="id_14165682_3475767_1_1">Shares Issued Or Purchased By Type [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_SharesIssuedOrPurchasedByTypeAxis_lbl" xml:lang="en-US" id="id_14165682_3475767_2_1">Shares Issued Or Purchased By Type [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_SharesIssuedOrPurchasedByTypeAxis" xlink:to="tri_SharesIssuedOrPurchasedByTypeAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_SharesIssuedOrPurchasedByTypeDomain" xlink:label="tri_SharesIssuedOrPurchasedByTypeDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_SharesIssuedOrPurchasedByTypeDomain_lbl" xml:lang="en-US" id="id_14165682_3514318_3_1">Shares Issued Or Purchased By Type [domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_SharesIssuedOrPurchasedByTypeDomain_lbl" xml:lang="en-US" id="id_14165682_3514318_1_1">Shares Issued Or Purchased By Type [domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_SharesIssuedOrPurchasedByTypeDomain_lbl" xml:lang="en-US" id="id_14165682_3514318_2_1">Shares Issued Or Purchased By Type [domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_SharesIssuedOrPurchasedByTypeDomain" xlink:to="tri_SharesIssuedOrPurchasedByTypeDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_SharesIssuedUnderDividendReinvestmentPlan" xlink:label="tri_SharesIssuedUnderDividendReinvestmentPlan"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_SharesIssuedUnderDividendReinvestmentPlan_lbl" xml:lang="en-US" id="id_14165682_3443979_3_1">Shares issued under dividend reinvestment plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_SharesIssuedUnderDividendReinvestmentPlan_lbl" xml:lang="en-US" id="id_14165682_3443979_1_1">Shares Issued Under Dividend Reinvestment Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_SharesIssuedUnderDividendReinvestmentPlan_lbl" xml:lang="en-US" id="id_14165682_3443979_2_1">Shares issued under Dividend Reinvestment Plan ("DRIP")</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="tri_SharesIssuedUnderDividendReinvestmentPlan_lbl" xml:lang="en-US" id="id_14165682_3443979_12_1">Shares issued under DRIP</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_SharesIssuedUnderDividendReinvestmentPlan" xlink:to="tri_SharesIssuedUnderDividendReinvestmentPlan_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_SharesRepurchasedAveragePricePerShare" xlink:label="tri_SharesRepurchasedAveragePricePerShare"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_SharesRepurchasedAveragePricePerShare_lbl" xml:lang="en-US" id="id_14165682_3522932_3_1">Shares repurchased average price per share.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_SharesRepurchasedAveragePricePerShare_lbl" xml:lang="en-US" id="id_14165682_3522932_1_1">Shares Repurchased Average Price Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_SharesRepurchasedAveragePricePerShare_lbl" xml:lang="en-US" id="id_14165682_3522932_2_1">Share repurchases - average price per share in U.S. dollars</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_SharesRepurchasedAveragePricePerShare" xlink:to="tri_SharesRepurchasedAveragePricePerShare_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_Short1Member" xlink:label="tri_Short1Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_Short1Member_lbl" xml:lang="en-US" id="id_14165682_3511521_3_1">Short1 [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_Short1Member_lbl" xml:lang="en-US" id="id_14165682_3511521_1_1">Short1 [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_Short1Member_lbl" xml:lang="en-US" id="id_14165682_3511521_2_1">Short1 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_Short1Member" xlink:to="tri_Short1Member_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ShorttermBorrowings" xlink:label="ifrs-full_ShorttermBorrowings"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ShorttermBorrowings_lbl" xml:lang="en-US" id="id_14165682_3422983_1_1">Current borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_ShorttermBorrowings_lbl" xml:lang="en-US" id="id_14165682_3422983_14_1">Current indebtedness</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ShorttermBorrowings" xlink:to="ifrs-full_ShorttermBorrowings_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents" xlink:label="ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents_lbl" xml:lang="en-US" id="id_14165682_3423279_1_1">Short-term deposits, classified as cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents_lbl" xml:lang="en-US" id="id_14165682_3423279_2_1">Short-term deposits</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents" xlink:to="ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents" xlink:label="ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents_lbl" xml:lang="en-US" id="id_14165682_3423280_1_1">Short-term investments, classified as cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents_lbl" xml:lang="en-US" id="id_14165682_3423280_2_1">Money market accounts</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents" xlink:to="ifrs-full_ShorttermInvestmentsClassifiedAsCashEquivalents_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesAxis_lbl" xml:lang="en-US" id="id_14165682_3422992_1_1">Associates [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesAxis_lbl" xml:lang="en-US" id="id_14165682_3422992_2_1">Associates [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:to="ifrs-full_SignificantInvestmentsInAssociatesAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_SixPointFiveZeroNotesDueTwoThousandEighteenMember" xlink:label="tri_SixPointFiveZeroNotesDueTwoThousandEighteenMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_SixPointFiveZeroNotesDueTwoThousandEighteenMember_lbl" xml:lang="en-US" id="id_14165682_3509168_3_1">Six point five zero notes due two thousand eighteen.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_SixPointFiveZeroNotesDueTwoThousandEighteenMember_lbl" xml:lang="en-US" id="id_14165682_3509168_1_1">Six Point Five Zero Notes Due Two Thousand Eighteen [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_SixPointFiveZeroNotesDueTwoThousandEighteenMember_lbl" xml:lang="en-US" id="id_14165682_3509168_2_1">6.50% Notes, Due 2018 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_SixPointFiveZeroNotesDueTwoThousandEighteenMember" xlink:to="tri_SixPointFiveZeroNotesDueTwoThousandEighteenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_StandardAndPoorMember" xlink:label="tri_StandardAndPoorMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_StandardAndPoorMember_lbl" xml:lang="en-US" id="id_14165682_3509002_3_1">Standard and poor.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_StandardAndPoorMember_lbl" xml:lang="en-US" id="id_14165682_3509002_1_1">Standard And Poor [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_StandardAndPoorMember_lbl" xml:lang="en-US" id="id_14165682_3509002_2_1">Standard and poor [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_StandardAndPoorMember" xlink:to="tri_StandardAndPoorMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_StatedCapitalMember" xlink:label="tri_StatedCapitalMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_StatedCapitalMember_lbl" xml:lang="en-US" id="id_14165682_3482756_3_1">This member stands for a component of equity representing stated capital.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_StatedCapitalMember_lbl" xml:lang="en-US" id="id_14165682_3482756_1_1">Stated capital [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_StatedCapitalMember_lbl" xml:lang="en-US" id="id_14165682_3482756_2_1">Stated capital [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_StatedCapitalMember" xlink:to="tri_StatedCapitalMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_StatementLineItems" xlink:label="tri_StatementLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_StatementLineItems_lbl" xml:lang="en-US" id="id_14165682_3426236_3_1">Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_StatementLineItems_lbl" xml:lang="en-US" id="id_14165682_3426236_1_1">Statement [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_StatementLineItems_lbl" xml:lang="en-US" id="id_14165682_3426236_2_1">Statement [LineItems]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_StatementLineItems" xlink:to="tri_StatementLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_StatementOfCashFlowsAbstract" xlink:label="ifrs-full_StatementOfCashFlowsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_StatementOfCashFlowsAbstract_lbl" xml:lang="en-US" id="id_14165682_3423004_1_1">Statement of cash flows [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_StatementOfCashFlowsAbstract_lbl" xml:lang="en-US" id="id_14165682_3423004_2_1">Statement of cash flows [abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_StatementOfCashFlowsAbstract" xlink:to="ifrs-full_StatementOfCashFlowsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_StatementOfChangesInEquityAbstract" xlink:label="ifrs-full_StatementOfChangesInEquityAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_StatementOfChangesInEquityAbstract_lbl" xml:lang="en-US" id="id_14165682_3422872_1_1">Statement of changes in equity [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_StatementOfChangesInEquityAbstract_lbl" xml:lang="en-US" id="id_14165682_3422872_2_1">Statement of changes in equity [abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_StatementOfChangesInEquityAbstract" xlink:to="ifrs-full_StatementOfChangesInEquityAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:label="ifrs-full_StatementOfComprehensiveIncomeAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_StatementOfComprehensiveIncomeAbstract_lbl" xml:lang="en-US" id="id_14165682_3423005_1_1">Statement of comprehensive income [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_StatementOfComprehensiveIncomeAbstract_lbl" xml:lang="en-US" id="id_14165682_3423005_2_1">Statement of comprehensive income [abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:to="ifrs-full_StatementOfComprehensiveIncomeAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_StatementOfFinancialPositionAbstract" xlink:label="ifrs-full_StatementOfFinancialPositionAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_StatementOfFinancialPositionAbstract_lbl" xml:lang="en-US" id="id_14165682_3422873_1_1">Statement of financial position [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_StatementOfFinancialPositionAbstract_lbl" xml:lang="en-US" id="id_14165682_3422873_2_1">Statement of financial position [abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="ifrs-full_StatementOfFinancialPositionAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_StatementOfIFRSCompliance" xlink:label="ifrs-full_StatementOfIFRSCompliance"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_StatementOfIFRSCompliance_lbl" xml:lang="en-US" id="id_14165682_3423722_1_1">Statement of IFRS compliance [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_StatementOfIFRSCompliance_lbl" xml:lang="en-US" id="id_14165682_3423722_2_1">Basis of Presentation 1</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_StatementOfIFRSCompliance" xlink:to="ifrs-full_StatementOfIFRSCompliance_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_StatementTable" xlink:label="tri_StatementTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_StatementTable_lbl" xml:lang="en-US" id="id_14165682_3426235_3_1">Schedule reflecting a Statement of Income, Statement of Cash Flows, Statement of Financial Position, Statement of Shareholders Equity and Other Comprehensive Income, or other statement as needed.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_StatementTable_lbl" xml:lang="en-US" id="id_14165682_3426235_1_1">Statement [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_StatementTable_lbl" xml:lang="en-US" id="id_14165682_3426235_2_1">Statement [table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_StatementTable" xlink:to="tri_StatementTable_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_StateNetOperatingLossesMember" xlink:label="tri_StateNetOperatingLossesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_StateNetOperatingLossesMember_lbl" xml:lang="en-US" id="id_14165682_3513945_3_1">U.S. state net operating losses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_StateNetOperatingLossesMember_lbl" xml:lang="en-US" id="id_14165682_3513945_1_1">U.S. state net operating losses [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_StateNetOperatingLossesMember_lbl" xml:lang="en-US" id="id_14165682_3513945_2_1">U.S. state net operating losses [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_StateNetOperatingLossesMember" xlink:to="tri_StateNetOperatingLossesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_StockIncentivePlanMember" xlink:label="tri_StockIncentivePlanMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_StockIncentivePlanMember_lbl" xml:lang="en-US" id="id_14165682_3480252_3_1">Stock incentive plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_StockIncentivePlanMember_lbl" xml:lang="en-US" id="id_14165682_3480252_1_1">Stock Incentive Plan [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_StockIncentivePlanMember_lbl" xml:lang="en-US" id="id_14165682_3480252_2_1">Stock incentive plan [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_StockIncentivePlanMember" xlink:to="tri_StockIncentivePlanMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_StockOption1Member" xlink:label="tri_StockOption1Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_StockOption1Member_lbl" xml:lang="en-US" id="id_14165682_3480251_3_1">Stock option.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_StockOption1Member_lbl" xml:lang="en-US" id="id_14165682_3480251_1_1">Stock Option 1 [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_StockOption1Member_lbl" xml:lang="en-US" id="id_14165682_3480251_2_1">Stock Options [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_StockOption1Member" xlink:to="tri_StockOption1Member_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_SubstantialIssuerBidOfferMember" xlink:label="tri_SubstantialIssuerBidOfferMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_SubstantialIssuerBidOfferMember_lbl" xml:lang="en-US" id="id_14165682_3537342_3_1">Substantial issuer bid offer.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_SubstantialIssuerBidOfferMember_lbl" xml:lang="en-US" id="id_14165682_3537342_1_1">Substantial issuer bid offer [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_SubstantialIssuerBidOfferMember_lbl" xml:lang="en-US" id="id_14165682_3537342_2_1">Substantial issuer bid/tender offer [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_SubstantialIssuerBidOfferMember" xlink:to="tri_SubstantialIssuerBidOfferMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_SubstantialIssuerBidTenderOfferMember" xlink:label="tri_SubstantialIssuerBidTenderOfferMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_SubstantialIssuerBidTenderOfferMember_lbl" xml:lang="en-US" id="id_14165682_3542165_3_1">Substantial issuer bid/tender offer [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_SubstantialIssuerBidTenderOfferMember_lbl" xml:lang="en-US" id="id_14165682_3542165_1_1">Substantial issuer bid/tender offer [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_SubstantialIssuerBidTenderOfferMember_lbl" xml:lang="en-US" id="id_14165682_3542165_2_1">Substantial issuer bid/tender offer [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_SubstantialIssuerBidTenderOfferMember" xlink:to="tri_SubstantialIssuerBidTenderOfferMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_SummaryOfHypotheticalChangeInForeignCurrencyExchangeRatesOnEarningsAbstract" xlink:label="tri_SummaryOfHypotheticalChangeInForeignCurrencyExchangeRatesOnEarningsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_SummaryOfHypotheticalChangeInForeignCurrencyExchangeRatesOnEarningsAbstract_lbl" xml:lang="en-US" id="id_14165682_3428330_3_1">Summary of Hypothetical Change In Foreign Currency Exchange Rates On Earnings [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_SummaryOfHypotheticalChangeInForeignCurrencyExchangeRatesOnEarningsAbstract_lbl" xml:lang="en-US" id="id_14165682_3428330_1_1">Summary of Hypothetical Change In Foreign Currency Exchange Rates On Earnings [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_SummaryOfHypotheticalChangeInForeignCurrencyExchangeRatesOnEarningsAbstract_lbl" xml:lang="en-US" id="id_14165682_3428330_2_1">Summary of Hypothetical Change In Foreign Currency Exchange Rates On Earnings [abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_SummaryOfHypotheticalChangeInForeignCurrencyExchangeRatesOnEarningsAbstract" xlink:to="tri_SummaryOfHypotheticalChangeInForeignCurrencyExchangeRatesOnEarningsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_SummaryOfHypotheticalChangeInForeignCurrencyExchangeRatesOnEarningsLineItems" xlink:label="tri_SummaryOfHypotheticalChangeInForeignCurrencyExchangeRatesOnEarningsLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_SummaryOfHypotheticalChangeInForeignCurrencyExchangeRatesOnEarningsLineItems_lbl" xml:lang="en-US" id="id_14165682_3428329_3_1">Summary of hypothetical change in foreign currency exchange rates on earnings.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_SummaryOfHypotheticalChangeInForeignCurrencyExchangeRatesOnEarningsLineItems_lbl" xml:lang="en-US" id="id_14165682_3428329_1_1">Summary of Hypothetical Change In Foreign Currency Exchange Rates On Earnings [line items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_SummaryOfHypotheticalChangeInForeignCurrencyExchangeRatesOnEarningsLineItems_lbl" xml:lang="en-US" id="id_14165682_3428329_2_1">Summary of Hypothetical Change In Foreign Currency Exchange Rates On Earnings [line items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_SummaryOfHypotheticalChangeInForeignCurrencyExchangeRatesOnEarningsLineItems" xlink:to="tri_SummaryOfHypotheticalChangeInForeignCurrencyExchangeRatesOnEarningsLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_SummaryOfWeightedAverageActuarialAssumptionsExplanatory" xlink:label="tri_SummaryOfWeightedAverageActuarialAssumptionsExplanatory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_SummaryOfWeightedAverageActuarialAssumptionsExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516825_3_1">This member stands for all actuarial assumptions. Actuarial assumptions are the entity's unbiased and mutually compatible best estimates of the demographic and financial variables that will determine the ultimate cost of providing post-employment benefits.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_SummaryOfWeightedAverageActuarialAssumptionsExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516825_1_1">Summary Of Weighted Average Actuarial Assumptions [text block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_SummaryOfWeightedAverageActuarialAssumptionsExplanatory_lbl" xml:lang="en-US" id="id_14165682_3516825_2_1">Summary of Weighted-Average Actuarial Assumptions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_SummaryOfWeightedAverageActuarialAssumptionsExplanatory" xlink:to="tri_SummaryOfWeightedAverageActuarialAssumptionsExplanatory_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_SupplementalCashFlowInformation1Abstract" xlink:label="tri_SupplementalCashFlowInformation1Abstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_SupplementalCashFlowInformation1Abstract_lbl" xml:lang="en-US" id="id_14165682_3431107_3_1">Supplemental cash flow information.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_SupplementalCashFlowInformation1Abstract_lbl" xml:lang="en-US" id="id_14165682_3431107_1_1">Supplemental Cash Flow Information 1 [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_SupplementalCashFlowInformation1Abstract_lbl" xml:lang="en-US" id="id_14165682_3431107_2_1">Supplemental cash flow information is provided in note 28.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_SupplementalCashFlowInformation1Abstract" xlink:to="tri_SupplementalCashFlowInformation1Abstract_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_SupplementaryPensionSchemeMember" xlink:label="tri_SupplementaryPensionSchemeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_SupplementaryPensionSchemeMember_lbl" xml:lang="en-US" id="id_14165682_3480387_3_1">Supplementary pension scheme.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_SupplementaryPensionSchemeMember_lbl" xml:lang="en-US" id="id_14165682_3480387_1_1">Supplementary pension scheme [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_SupplementaryPensionSchemeMember_lbl" xml:lang="en-US" id="id_14165682_3480387_2_1">Supplementary pension scheme [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_SupplementaryPensionSchemeMember" xlink:to="tri_SupplementaryPensionSchemeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_SurplusDeficitInPlan" xlink:label="ifrs-full_SurplusDeficitInPlan"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SurplusDeficitInPlan_lbl" xml:lang="en-US" id="id_14165682_3423022_1_1">Surplus (deficit) in plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_SurplusDeficitInPlan_lbl" xml:lang="en-US" id="id_14165682_3423022_6_1">Total</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SurplusDeficitInPlan" xlink:to="ifrs-full_SurplusDeficitInPlan_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_SurplusDeficitInPlanAbstract" xlink:label="ifrs-full_SurplusDeficitInPlanAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SurplusDeficitInPlanAbstract_lbl" xml:lang="en-US" id="id_14165682_3423326_1_1">Surplus (deficit) in plan [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_SurplusDeficitInPlanAbstract_lbl" xml:lang="en-US" id="id_14165682_3423326_2_1">Surplus (deficit) in plan [abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SurplusDeficitInPlanAbstract" xlink:to="ifrs-full_SurplusDeficitInPlanAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TaxAndAccountingMember" xlink:label="tri_TaxAndAccountingMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TaxAndAccountingMember_lbl" xml:lang="en-US" id="id_14165682_3480323_3_1">Tax and accounting.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TaxAndAccountingMember_lbl" xml:lang="en-US" id="id_14165682_3480323_1_1">Tax And Accounting [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TaxAndAccountingMember_lbl" xml:lang="en-US" id="id_14165682_3480323_2_1">Tax &amp; Accounting [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TaxAndAccountingMember" xlink:to="tri_TaxAndAccountingMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TaxationInformationAxis" xlink:label="tri_TaxationInformationAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TaxationInformationAxis_lbl" xml:lang="en-US" id="id_14165682_3475646_3_1">Taxation information [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TaxationInformationAxis_lbl" xml:lang="en-US" id="id_14165682_3475646_1_1">Taxation information [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TaxationInformationAxis_lbl" xml:lang="en-US" id="id_14165682_3475646_2_1">Taxation information [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TaxationInformationAxis" xlink:to="tri_TaxationInformationAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TaxationInformationMember" xlink:label="tri_TaxationInformationMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TaxationInformationMember_lbl" xml:lang="en-US" id="id_14165682_3504426_3_1">Taxation information [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TaxationInformationMember_lbl" xml:lang="en-US" id="id_14165682_3504426_1_1">Taxation information [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TaxationInformationMember_lbl" xml:lang="en-US" id="id_14165682_3504426_2_1">Taxation information [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TaxationInformationMember" xlink:to="tri_TaxationInformationMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TaxEffectFromChangeInTaxRate" xlink:label="ifrs-full_TaxEffectFromChangeInTaxRate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TaxEffectFromChangeInTaxRate_lbl" xml:lang="en-US" id="id_14165682_3423990_1_1">Tax effect from change in tax rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TaxEffectFromChangeInTaxRate_lbl" xml:lang="en-US" id="id_14165682_3423990_2_1">Impact of tax law changes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TaxEffectFromChangeInTaxRate" xlink:to="ifrs-full_TaxEffectFromChangeInTaxRate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TaxEffectOfForeignTaxRates" xlink:label="ifrs-full_TaxEffectOfForeignTaxRates"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TaxEffectOfForeignTaxRates_lbl" xml:lang="en-US" id="id_14165682_3423741_1_1">Tax effect of foreign tax rates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TaxEffectOfForeignTaxRates_lbl" xml:lang="en-US" id="id_14165682_3423741_2_1">Income taxes recorded at rates different from the Canadian tax rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TaxEffectOfForeignTaxRates" xlink:to="ifrs-full_TaxEffectOfForeignTaxRates_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TaxEffectOfNetNondeductibleNontaxableForeignExchangeAndOtherLossesGains" xlink:label="tri_TaxEffectOfNetNondeductibleNontaxableForeignExchangeAndOtherLossesGains"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TaxEffectOfNetNondeductibleNontaxableForeignExchangeAndOtherLossesGains_lbl" xml:lang="en-US" id="id_14165682_3552762_3_1">Tax effect of Net non-deductible (non-taxable) foreign exchange and other losses (gains)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TaxEffectOfNetNondeductibleNontaxableForeignExchangeAndOtherLossesGains_lbl" xml:lang="en-US" id="id_14165682_3552762_1_1">Tax effect of Net non-deductible (non-taxable) foreign exchange and other losses (gains)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TaxEffectOfNetNondeductibleNontaxableForeignExchangeAndOtherLossesGains_lbl" xml:lang="en-US" id="id_14165682_3552762_2_1">Net non-deductible (non-taxable) foreign exchange and other losses (gains)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TaxEffectOfNetNondeductibleNontaxableForeignExchangeAndOtherLossesGains" xlink:to="tri_TaxEffectOfNetNondeductibleNontaxableForeignExchangeAndOtherLossesGains_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TaxEffectOfWithholdingTaxes" xlink:label="tri_TaxEffectOfWithholdingTaxes"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TaxEffectOfWithholdingTaxes_lbl" xml:lang="en-US" id="id_14165682_3453039_3_1">Tax effect of withholding taxes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TaxEffectOfWithholdingTaxes_lbl" xml:lang="en-US" id="id_14165682_3453039_1_1">Tax Effect of Withholding Taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TaxEffectOfWithholdingTaxes_lbl" xml:lang="en-US" id="id_14165682_3453039_2_1">Withholding taxes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TaxEffectOfWithholdingTaxes" xlink:to="tri_TaxEffectOfWithholdingTaxes_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:label="ifrs-full_TaxExpenseIncomeAtApplicableTaxRate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TaxExpenseIncomeAtApplicableTaxRate_lbl" xml:lang="en-US" id="id_14165682_3423742_1_1">Tax expense (income) at applicable tax rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TaxExpenseIncomeAtApplicableTaxRate_lbl" xml:lang="en-US" id="id_14165682_3423742_2_1">Income before tax multiplied by the standard rate of Canadian corporate tax of 26.5%</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:to="ifrs-full_TaxExpenseIncomeAtApplicableTaxRate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TaxExpenseRelatingToGainLossOnDiscontinuance" xlink:label="ifrs-full_TaxExpenseRelatingToGainLossOnDiscontinuance"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TaxExpenseRelatingToGainLossOnDiscontinuance_lbl" xml:lang="en-US" id="id_14165682_3423993_1_1">Tax expense (income) relating to gain (loss) on discontinuance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TaxExpenseRelatingToGainLossOnDiscontinuance_lbl" xml:lang="en-US" id="id_14165682_3423993_2_1">Tax benefit on gain on sale of discontinued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_TaxExpenseRelatingToGainLossOnDiscontinuance_lbl" xml:lang="en-US" id="id_14165682_3423993_14_1">Tax benefit on gain on sale of discontinued operations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TaxExpenseRelatingToGainLossOnDiscontinuance" xlink:to="ifrs-full_TaxExpenseRelatingToGainLossOnDiscontinuance_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations" xlink:label="ifrs-full_TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations_lbl" xml:lang="en-US" id="id_14165682_3423994_1_1">Tax expense (income) relating to profit (loss) from ordinary activities of discontinued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations_lbl" xml:lang="en-US" id="id_14165682_3423994_2_1">Tax (expense) benefit on earnings from discontinued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations_lbl" xml:lang="en-US" id="id_14165682_3423994_14_1">Tax (expense) benefit on earnings from discontinued operations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations" xlink:to="ifrs-full_TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TaxLossesCarryforward" xlink:label="tri_TaxLossesCarryforward"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TaxLossesCarryforward_lbl" xml:lang="en-US" id="id_14165682_3434271_3_1">Tax losses carryforward.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TaxLossesCarryforward_lbl" xml:lang="en-US" id="id_14165682_3434271_1_1">Tax Losses Carryforward</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TaxLossesCarryforward_lbl" xml:lang="en-US" id="id_14165682_3434271_2_1">Carry Forward Loss/Tax Attributes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TaxLossesCarryforward" xlink:to="tri_TaxLossesCarryforward_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TaxLossesForWhichNoBenefitIsRecognized" xlink:label="tri_TaxLossesForWhichNoBenefitIsRecognized"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TaxLossesForWhichNoBenefitIsRecognized_lbl" xml:lang="en-US" id="id_14165682_3454556_3_1">Tax losses for which no benefit is recognized.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TaxLossesForWhichNoBenefitIsRecognized_lbl" xml:lang="en-US" id="id_14165682_3454556_1_1">Tax Losses For Which No Benefit Is Recognized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TaxLossesForWhichNoBenefitIsRecognized_lbl" xml:lang="en-US" id="id_14165682_3454556_2_1">Tax losses for which no benefit is recognized</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TaxLossesForWhichNoBenefitIsRecognized" xlink:to="tri_TaxLossesForWhichNoBenefitIsRecognized_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TaxLossesMember" xlink:label="tri_TaxLossesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TaxLossesMember_lbl" xml:lang="en-US" id="id_14165682_3476722_3_1">Tax losses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TaxLossesMember_lbl" xml:lang="en-US" id="id_14165682_3476722_1_1">Tax losses [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TaxLossesMember_lbl" xml:lang="en-US" id="id_14165682_3476722_2_1">Tax losses [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TaxLossesMember" xlink:to="tri_TaxLossesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TaxOnRestructuringActivitiesAssociatedWithTheFinancialAndRiskTransaction" xlink:label="tri_TaxOnRestructuringActivitiesAssociatedWithTheFinancialAndRiskTransaction"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TaxOnRestructuringActivitiesAssociatedWithTheFinancialAndRiskTransaction_lbl" xml:lang="en-US" id="id_14165682_3549375_3_1">Tax on restructuring activities associated with the financial and risk transaction.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TaxOnRestructuringActivitiesAssociatedWithTheFinancialAndRiskTransaction_lbl" xml:lang="en-US" id="id_14165682_3549375_1_1">Tax on restructuring activities associated with the Financial and Risk transaction</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TaxOnRestructuringActivitiesAssociatedWithTheFinancialAndRiskTransaction_lbl" xml:lang="en-US" id="id_14165682_3549375_2_1">Tax on restructuring activities associated with the Financial &amp; Risk transaction</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TaxOnRestructuringActivitiesAssociatedWithTheFinancialAndRiskTransaction" xlink:to="tri_TaxOnRestructuringActivitiesAssociatedWithTheFinancialAndRiskTransaction_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TaxProfessionalsMember" xlink:label="tri_TaxProfessionalsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TaxProfessionalsMember_lbl" xml:lang="en-US" id="id_14165682_3537222_3_1">Tax professionals.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TaxProfessionalsMember_lbl" xml:lang="en-US" id="id_14165682_3537222_1_1">Tax Professionals [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TaxProfessionalsMember_lbl" xml:lang="en-US" id="id_14165682_3537222_2_1">Tax Professionals [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TaxProfessionalsMember" xlink:to="tri_TaxProfessionalsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TaxValueOperatingLosses" xlink:label="tri_TaxValueOperatingLosses"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TaxValueOperatingLosses_lbl" xml:lang="en-US" id="id_14165682_3463451_3_1">Tax value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TaxValueOperatingLosses_lbl" xml:lang="en-US" id="id_14165682_3463451_1_1">Tax value operating losses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TaxValueOperatingLosses_lbl" xml:lang="en-US" id="id_14165682_3463451_2_1">Tax Value</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TaxValueOperatingLosses" xlink:to="tri_TaxValueOperatingLosses_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TechnologybasedIntangibleAssetsMember" xlink:label="ifrs-full_TechnologybasedIntangibleAssetsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TechnologybasedIntangibleAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3423033_1_1">Technology-based intangible assets [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TechnologybasedIntangibleAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3423033_2_1">Databases and content [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TechnologybasedIntangibleAssetsMember" xlink:to="ifrs-full_TechnologybasedIntangibleAssetsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:label="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis_lbl" xml:lang="en-US" id="id_14165682_3423034_1_1">Temporary difference, unused tax losses and unused tax credits [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis_lbl" xml:lang="en-US" id="id_14165682_3423034_2_1">Temporary difference, unused tax losses and unused tax credits [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:to="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" xlink:label="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember_lbl" xml:lang="en-US" id="id_14165682_3423035_1_1">Temporary difference, unused tax losses and unused tax credits [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember_lbl" xml:lang="en-US" id="id_14165682_3423035_2_1">Temporary difference, unused tax losses and unused tax credits [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" xlink:to="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TenPercentageWeakeningInForeignCurrencyVsUsMember" xlink:label="tri_TenPercentageWeakeningInForeignCurrencyVsUsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TenPercentageWeakeningInForeignCurrencyVsUsMember_lbl" xml:lang="en-US" id="id_14165682_3508999_3_1">Ten percentage weakening In foreign currency Vs US.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TenPercentageWeakeningInForeignCurrencyVsUsMember_lbl" xml:lang="en-US" id="id_14165682_3508999_1_1">Ten Percentage Weakening In Foreign Currency Vs US [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TenPercentageWeakeningInForeignCurrencyVsUsMember_lbl" xml:lang="en-US" id="id_14165682_3508999_2_1">Ten percentage weakening in foreign currency vs us [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TenPercentageWeakeningInForeignCurrencyVsUsMember" xlink:to="tri_TenPercentageWeakeningInForeignCurrencyVsUsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TermLoanFacilityMember" xlink:label="tri_TermLoanFacilityMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TermLoanFacilityMember_lbl" xml:lang="en-US" id="id_14165682_3488089_3_1">Term loan facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TermLoanFacilityMember_lbl" xml:lang="en-US" id="id_14165682_3488089_1_1">Term Loan Facility [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TermLoanFacilityMember_lbl" xml:lang="en-US" id="id_14165682_3488089_2_1">Term Loan Facility [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TermLoanFacilityMember" xlink:to="tri_TermLoanFacilityMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TextBlockAbstract" xlink:label="tri_TextBlockAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TextBlockAbstract_lbl" xml:lang="en-US" id="id_14165682_3426207_3_1">Text block [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TextBlockAbstract_lbl" xml:lang="en-US" id="id_14165682_3426207_1_1">Text block [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TextBlockAbstract_lbl" xml:lang="en-US" id="id_14165682_3426207_2_1">Text Block [abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TextBlockAbstract" xlink:to="tri_TextBlockAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TheThomsonCorporationPLCPensionSchemeMember" xlink:label="tri_TheThomsonCorporationPLCPensionSchemeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TheThomsonCorporationPLCPensionSchemeMember_lbl" xml:lang="en-US" id="id_14165682_3480388_3_1">The thomson corporation PLC pension scheme.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TheThomsonCorporationPLCPensionSchemeMember_lbl" xml:lang="en-US" id="id_14165682_3480388_1_1">The thomson corporation PLC pension scheme [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TheThomsonCorporationPLCPensionSchemeMember_lbl" xml:lang="en-US" id="id_14165682_3480388_2_1">The thomson corporation PLC pension scheme [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TheThomsonCorporationPLCPensionSchemeMember" xlink:to="tri_TheThomsonCorporationPLCPensionSchemeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ThomsonReutersGroupPensionPlanMember" xlink:label="tri_ThomsonReutersGroupPensionPlanMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ThomsonReutersGroupPensionPlanMember_lbl" xml:lang="en-US" id="id_14165682_3531433_3_1">Thomson reuters group pension plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ThomsonReutersGroupPensionPlanMember_lbl" xml:lang="en-US" id="id_14165682_3531433_1_1">Thomson reuters group pension plan [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ThomsonReutersGroupPensionPlanMember_lbl" xml:lang="en-US" id="id_14165682_3531433_2_1">Thomson reuters group pension plan [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ThomsonReutersGroupPensionPlanMember" xlink:to="tri_ThomsonReutersGroupPensionPlanMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ThreePointEightFiveNotesDueTwoThousandTwentyFourMember" xlink:label="tri_ThreePointEightFiveNotesDueTwoThousandTwentyFourMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ThreePointEightFiveNotesDueTwoThousandTwentyFourMember_lbl" xml:lang="en-US" id="id_14165682_3509158_3_1">Three point eight five notes due two thousand twenty four.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ThreePointEightFiveNotesDueTwoThousandTwentyFourMember_lbl" xml:lang="en-US" id="id_14165682_3509158_1_1">Three Point Eight Five Notes Due Two Thousand Twenty Four [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ThreePointEightFiveNotesDueTwoThousandTwentyFourMember_lbl" xml:lang="en-US" id="id_14165682_3509158_2_1">3.85% Notes, Due 2024 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ThreePointEightFiveNotesDueTwoThousandTwentyFourMember" xlink:to="tri_ThreePointEightFiveNotesDueTwoThousandTwentyFourMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ThreePointNineFiveNotesDueTwoThousandTwentyOneMember" xlink:label="tri_ThreePointNineFiveNotesDueTwoThousandTwentyOneMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ThreePointNineFiveNotesDueTwoThousandTwentyOneMember_lbl" xml:lang="en-US" id="id_14165682_3509155_3_1">Three point nine five notes due two thousand twenty one.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ThreePointNineFiveNotesDueTwoThousandTwentyOneMember_lbl" xml:lang="en-US" id="id_14165682_3509155_1_1">Three Point Nine Five Notes Due Two Thousand Twenty One [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ThreePointNineFiveNotesDueTwoThousandTwentyOneMember_lbl" xml:lang="en-US" id="id_14165682_3509155_2_1">3.95% Notes, Due 2021 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ThreePointNineFiveNotesDueTwoThousandTwentyOneMember" xlink:to="tri_ThreePointNineFiveNotesDueTwoThousandTwentyOneMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ThreePointThreeFiveNotesDueTwoThousandTwentySixMember" xlink:label="tri_ThreePointThreeFiveNotesDueTwoThousandTwentySixMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ThreePointThreeFiveNotesDueTwoThousandTwentySixMember_lbl" xml:lang="en-US" id="id_14165682_3509145_3_1">Three point three five notes due two thousand twenty six.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ThreePointThreeFiveNotesDueTwoThousandTwentySixMember_lbl" xml:lang="en-US" id="id_14165682_3509145_1_1">Three Point Three Five Notes Due Two Thousand Twenty Six [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ThreePointThreeFiveNotesDueTwoThousandTwentySixMember_lbl" xml:lang="en-US" id="id_14165682_3509145_2_1">3.35% notes, due 2026 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ThreePointThreeFiveNotesDueTwoThousandTwentySixMember" xlink:to="tri_ThreePointThreeFiveNotesDueTwoThousandTwentySixMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ThreePointThreeSixNineNotesDueTwoThousandNineteenMember" xlink:label="tri_ThreePointThreeSixNineNotesDueTwoThousandNineteenMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ThreePointThreeSixNineNotesDueTwoThousandNineteenMember_lbl" xml:lang="en-US" id="id_14165682_3509169_3_1">Three point three six nine notes due two thousand nineteen.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ThreePointThreeSixNineNotesDueTwoThousandNineteenMember_lbl" xml:lang="en-US" id="id_14165682_3509169_1_1">Three Point Three Six Nine Notes Due Two Thousand Nineteen [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ThreePointThreeSixNineNotesDueTwoThousandNineteenMember_lbl" xml:lang="en-US" id="id_14165682_3509169_2_1">3.369% Notes, Due 2019 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ThreePointThreeSixNineNotesDueTwoThousandNineteenMember" xlink:to="tri_ThreePointThreeSixNineNotesDueTwoThousandNineteenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_ThreePointThreeZeroNineNotesDueTwoThousandTwentyOneMember" xlink:label="tri_ThreePointThreeZeroNineNotesDueTwoThousandTwentyOneMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_ThreePointThreeZeroNineNotesDueTwoThousandTwentyOneMember_lbl" xml:lang="en-US" id="id_14165682_3509164_3_1">Three point three zero nine notes due two thousand twenty one.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_ThreePointThreeZeroNineNotesDueTwoThousandTwentyOneMember_lbl" xml:lang="en-US" id="id_14165682_3509164_1_1">Three Point Three Zero Nine Notes Due Two Thousand Twenty One [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_ThreePointThreeZeroNineNotesDueTwoThousandTwentyOneMember_lbl" xml:lang="en-US" id="id_14165682_3509164_2_1">3.309% notes, due 2021 [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_ThreePointThreeZeroNineNotesDueTwoThousandTwentyOneMember" xlink:to="tri_ThreePointThreeZeroNineNotesDueTwoThousandTwentyOneMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TimeBasedRestrictedShareUnitMember" xlink:label="tri_TimeBasedRestrictedShareUnitMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TimeBasedRestrictedShareUnitMember_lbl" xml:lang="en-US" id="id_14165682_3480250_3_1">Time based restricted share unit.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TimeBasedRestrictedShareUnitMember_lbl" xml:lang="en-US" id="id_14165682_3480250_1_1">Time Based Restricted Share Unit [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TimeBasedRestrictedShareUnitMember_lbl" xml:lang="en-US" id="id_14165682_3480250_2_1">TSRUs [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TimeBasedRestrictedShareUnitMember" xlink:to="tri_TimeBasedRestrictedShareUnitMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TimingOfTransferOfGoodsOrServicesAxis" xlink:label="ifrs-full_TimingOfTransferOfGoodsOrServicesAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TimingOfTransferOfGoodsOrServicesAxis_lbl" xml:lang="en-US" id="id_14165682_3424003_1_1">Timing of transfer of goods or services [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TimingOfTransferOfGoodsOrServicesAxis_lbl" xml:lang="en-US" id="id_14165682_3424003_2_1">Timing of transfer of goods or services [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TimingOfTransferOfGoodsOrServicesAxis" xlink:to="ifrs-full_TimingOfTransferOfGoodsOrServicesAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TimingOfTransferOfGoodsOrServicesMember" xlink:label="ifrs-full_TimingOfTransferOfGoodsOrServicesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TimingOfTransferOfGoodsOrServicesMember_lbl" xml:lang="en-US" id="id_14165682_3423040_1_1">Timing of transfer of goods or services [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TimingOfTransferOfGoodsOrServicesMember_lbl" xml:lang="en-US" id="id_14165682_3423040_2_1">Timing of transfer of goods or services [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TimingOfTransferOfGoodsOrServicesMember" xlink:to="ifrs-full_TimingOfTransferOfGoodsOrServicesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TopOfRangeMember" xlink:label="ifrs-full_TopOfRangeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TopOfRangeMember_lbl" xml:lang="en-US" id="id_14165682_3423353_1_1">Top of range [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TopOfRangeMember_lbl" xml:lang="en-US" id="id_14165682_3423353_2_1">Top of range [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TopOfRangeMember" xlink:to="ifrs-full_TopOfRangeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TotalAdjustmentsForDecreaseIncreaseInWorkingCapitalAndOtherItems" xlink:label="tri_TotalAdjustmentsForDecreaseIncreaseInWorkingCapitalAndOtherItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TotalAdjustmentsForDecreaseIncreaseInWorkingCapitalAndOtherItems_lbl" xml:lang="en-US" id="id_14165682_3460687_3_1">Adjustments for decrease (increase) in working capital and other items to reconcile profit (loss) to net cash flow from (used in) operating activities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TotalAdjustmentsForDecreaseIncreaseInWorkingCapitalAndOtherItems_lbl" xml:lang="en-US" id="id_14165682_3460687_1_1">Total adjustments for decrease (increase) in working capital and other items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="tri_TotalAdjustmentsForDecreaseIncreaseInWorkingCapitalAndOtherItems_lbl" xml:lang="en-US" id="id_14165682_3460687_6_1">Total</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TotalAdjustmentsForDecreaseIncreaseInWorkingCapitalAndOtherItems" xlink:to="tri_TotalAdjustmentsForDecreaseIncreaseInWorkingCapitalAndOtherItems_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TotalCapitalMember" xlink:label="tri_TotalCapitalMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TotalCapitalMember_lbl" xml:lang="en-US" id="id_14165682_3477284_3_1">Total capital.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TotalCapitalMember_lbl" xml:lang="en-US" id="id_14165682_3477284_1_1">Total Capital [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TotalCapitalMember_lbl" xml:lang="en-US" id="id_14165682_3477284_2_1">Total capital [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TotalCapitalMember" xlink:to="tri_TotalCapitalMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TotalFutureInterestOutflows" xlink:label="tri_TotalFutureInterestOutflows"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TotalFutureInterestOutflows_lbl" xml:lang="en-US" id="id_14165682_3460565_3_1">Contractual interest payable over the terms of outstanding debt obligations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TotalFutureInterestOutflows_lbl" xml:lang="en-US" id="id_14165682_3460565_1_1">Total Future Interest Outflows</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="tri_TotalFutureInterestOutflows_lbl" xml:lang="en-US" id="id_14165682_3460565_14_1">Interest payable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TotalFutureInterestOutflows" xlink:to="tri_TotalFutureInterestOutflows_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TradeAndOtherPayablesRecognisedAsOfAcquisitionDate" xlink:label="ifrs-full_TradeAndOtherPayablesRecognisedAsOfAcquisitionDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TradeAndOtherPayablesRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3424013_1_1">Trade and other payables recognised as of acquisition date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_TradeAndOtherPayablesRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3424013_14_1">Payables and accruals</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeAndOtherPayablesRecognisedAsOfAcquisitionDate" xlink:to="ifrs-full_TradeAndOtherPayablesRecognisedAsOfAcquisitionDate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TradeAndOtherPayablesToTradeSuppliers" xlink:label="ifrs-full_TradeAndOtherPayablesToTradeSuppliers"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TradeAndOtherPayablesToTradeSuppliers_lbl" xml:lang="en-US" id="id_14165682_3424014_1_1">Trade payables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TradeAndOtherPayablesToTradeSuppliers_lbl" xml:lang="en-US" id="id_14165682_3424014_2_1">Trade payables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_TradeAndOtherPayablesToTradeSuppliers_lbl" xml:lang="en-US" id="id_14165682_3424014_14_1">Trade payables</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeAndOtherPayablesToTradeSuppliers" xlink:to="ifrs-full_TradeAndOtherPayablesToTradeSuppliers_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TradeAndOtherReceivables" xlink:label="ifrs-full_TradeAndOtherReceivables"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TradeAndOtherReceivables_lbl" xml:lang="en-US" id="id_14165682_3423053_1_1">Trade and other receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TradeAndOtherReceivables_lbl" xml:lang="en-US" id="id_14165682_3423053_2_1">Trade and other receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_TradeAndOtherReceivables_lbl" xml:lang="en-US" id="id_14165682_3423053_14_1">Trade and other receivables</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeAndOtherReceivables" xlink:to="ifrs-full_TradeAndOtherReceivables_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TradeAndOtherReceivablesAbstract" xlink:label="ifrs-full_TradeAndOtherReceivablesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TradeAndOtherReceivablesAbstract_lbl" xml:lang="en-US" id="id_14165682_3423358_1_1">Trade and other receivables [abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TradeAndOtherReceivablesAbstract_lbl" xml:lang="en-US" id="id_14165682_3423358_2_1">Trade and other receivables [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeAndOtherReceivablesAbstract" xlink:to="ifrs-full_TradeAndOtherReceivablesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TradeAndOtherReceivablesCarryingValue" xlink:label="tri_TradeAndOtherReceivablesCarryingValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TradeAndOtherReceivablesCarryingValue_lbl" xml:lang="en-US" id="id_14165682_3464204_3_1">Amount due from customers and other amounts due, net of allowance for credit losses and sales adjustments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TradeAndOtherReceivablesCarryingValue_lbl" xml:lang="en-US" id="id_14165682_3464204_1_1">Trade And Other Receivables Carrying Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="tri_TradeAndOtherReceivablesCarryingValue_lbl" xml:lang="en-US" id="id_14165682_3464204_6_1">Trade and other receivables</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TradeAndOtherReceivablesCarryingValue" xlink:to="tri_TradeAndOtherReceivablesCarryingValue_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TradeNamesFiniteUsefulLifeMember" xlink:label="tri_TradeNamesFiniteUsefulLifeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TradeNamesFiniteUsefulLifeMember_lbl" xml:lang="en-US" id="id_14165682_3478485_3_1">Trade Names Finite Useful Life [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TradeNamesFiniteUsefulLifeMember_lbl" xml:lang="en-US" id="id_14165682_3478485_1_1">Trade Names Finite Useful Life [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TradeNamesFiniteUsefulLifeMember_lbl" xml:lang="en-US" id="id_14165682_3478485_2_1">Finite useful life trade names finite useful life [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TradeNamesFiniteUsefulLifeMember" xlink:to="tri_TradeNamesFiniteUsefulLifeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TradeNamesIndefiniteUsefulLifeMember" xlink:label="tri_TradeNamesIndefiniteUsefulLifeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TradeNamesIndefiniteUsefulLifeMember_lbl" xml:lang="en-US" id="id_14165682_3478484_3_1">Trade Names Indefinite Useful life [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TradeNamesIndefiniteUsefulLifeMember_lbl" xml:lang="en-US" id="id_14165682_3478484_1_1">Trade Names Indefinite Useful life [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TradeNamesIndefiniteUsefulLifeMember_lbl" xml:lang="en-US" id="id_14165682_3478484_2_1">Trade names indefinite useful life [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TradeNamesIndefiniteUsefulLifeMember" xlink:to="tri_TradeNamesIndefiniteUsefulLifeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TradeReceivables" xlink:label="ifrs-full_TradeReceivables"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TradeReceivables_lbl" xml:lang="en-US" id="id_14165682_3423360_1_1">Trade receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TradeReceivables_lbl" xml:lang="en-US" id="id_14165682_3423360_2_1">Gross trade receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_TradeReceivables_lbl" xml:lang="en-US" id="id_14165682_3423360_12_1">Trade receivables</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeReceivables" xlink:to="ifrs-full_TradeReceivables_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TradeReceivablesCarryingValue" xlink:label="tri_TradeReceivablesCarryingValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TradeReceivablesCarryingValue_lbl" xml:lang="en-US" id="id_14165682_3464203_3_1">Amount due from customers, net of allowance for credit losses and sales adjustments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TradeReceivablesCarryingValue_lbl" xml:lang="en-US" id="id_14165682_3464203_1_1">Trade Receivables Carrying Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="tri_TradeReceivablesCarryingValue_lbl" xml:lang="en-US" id="id_14165682_3464203_6_1">Net trade receivables</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TradeReceivablesCarryingValue" xlink:to="tri_TradeReceivablesCarryingValue_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TradeReceivablesRecognisedAsOfAcquisitionDate" xlink:label="tri_TradeReceivablesRecognisedAsOfAcquisitionDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TradeReceivablesRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3453387_3_1">Trade receivables recognised as of acquisition date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TradeReceivablesRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3453387_1_1">Trade Receivables Recognised As Of Acquisition Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TradeReceivablesRecognisedAsOfAcquisitionDate_lbl" xml:lang="en-US" id="id_14165682_3453387_2_1">Trade receivables</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TradeReceivablesRecognisedAsOfAcquisitionDate" xlink:to="tri_TradeReceivablesRecognisedAsOfAcquisitionDate_lbl"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_TradingSymbol_lbl" xml:lang="en-US" id="id_14165682_3423057_1_1">Trading Symbol</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_TradingSymbol_lbl" xml:lang="en-US" id="id_14165682_3423057_2_1">Trading Symbol</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_TradingSymbol" xlink:to="dei_TradingSymbol_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TransactionCosts" xlink:label="tri_TransactionCosts"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TransactionCosts_lbl" xml:lang="en-US" id="id_14165682_3531467_3_1">Transaction costs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TransactionCosts_lbl" xml:lang="en-US" id="id_14165682_3531467_1_1">Transaction costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TransactionCosts_lbl" xml:lang="en-US" id="id_14165682_3531467_2_1">Transaction costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TransactionCosts" xlink:to="tri_TransactionCosts_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TransactionPriceAllocatedToRemainingPerformanceObligations" xlink:label="ifrs-full_TransactionPriceAllocatedToRemainingPerformanceObligations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TransactionPriceAllocatedToRemainingPerformanceObligations_lbl" xml:lang="en-US" id="id_14165682_3423059_1_1">Transaction price allocated to remaining performance obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TransactionPriceAllocatedToRemainingPerformanceObligations_lbl" xml:lang="en-US" id="id_14165682_3423059_2_1">Aggregate amount of transaction price allocated to remaining performance obligations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TransactionPriceAllocatedToRemainingPerformanceObligations" xlink:to="ifrs-full_TransactionPriceAllocatedToRemainingPerformanceObligations_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TransactionsMember" xlink:label="tri_TransactionsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TransactionsMember_lbl" xml:lang="en-US" id="id_14165682_3495352_3_1">Transactions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TransactionsMember_lbl" xml:lang="en-US" id="id_14165682_3495352_1_1">Transactions [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TransactionsMember_lbl" xml:lang="en-US" id="id_14165682_3495352_2_1">Transactions [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TransactionsMember" xlink:to="tri_TransactionsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TransactionsWithOfRelatedPartiesAxis" xlink:label="tri_TransactionsWithOfRelatedPartiesAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TransactionsWithOfRelatedPartiesAxis_lbl" xml:lang="en-US" id="id_14165682_3475621_3_1">The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TransactionsWithOfRelatedPartiesAxis_lbl" xml:lang="en-US" id="id_14165682_3475621_1_1">Transactions with of related parties [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TransactionsWithOfRelatedPartiesAxis_lbl" xml:lang="en-US" id="id_14165682_3475621_2_1">Transactions with of related parties [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TransactionsWithOfRelatedPartiesAxis" xlink:to="tri_TransactionsWithOfRelatedPartiesAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TransactionsWithOfRelatedPartiesMember" xlink:label="tri_TransactionsWithOfRelatedPartiesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TransactionsWithOfRelatedPartiesMember_lbl" xml:lang="en-US" id="id_14165682_3501038_3_1">Transactions with of related parties [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TransactionsWithOfRelatedPartiesMember_lbl" xml:lang="en-US" id="id_14165682_3501038_1_1">Transactions with of related parties [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TransactionsWithOfRelatedPartiesMember_lbl" xml:lang="en-US" id="id_14165682_3501038_2_1">Transactions with of related parties [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TransactionsWithOfRelatedPartiesMember" xlink:to="tri_TransactionsWithOfRelatedPartiesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TransitionalServicesMember" xlink:label="tri_TransitionalServicesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TransitionalServicesMember_lbl" xml:lang="en-US" id="id_14165682_3549689_3_1">Transitional services.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TransitionalServicesMember_lbl" xml:lang="en-US" id="id_14165682_3549689_1_1">Transitional services [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TransitionalServicesMember_lbl" xml:lang="en-US" id="id_14165682_3549689_2_1">Transitional services [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TransitionalServicesMember" xlink:to="tri_TransitionalServicesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TreasuryStockActivityByTypeAxis" xlink:label="tri_TreasuryStockActivityByTypeAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TreasuryStockActivityByTypeAxis_lbl" xml:lang="en-US" id="id_14165682_3542405_3_1">Treasury stock activity by type [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TreasuryStockActivityByTypeAxis_lbl" xml:lang="en-US" id="id_14165682_3542405_1_1">Treasury stock activity by type [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TreasuryStockActivityByTypeAxis_lbl" xml:lang="en-US" id="id_14165682_3542405_2_1">Treasury stock activity by type [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TreasuryStockActivityByTypeAxis" xlink:to="tri_TreasuryStockActivityByTypeAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TreasuryStockActivityByTypeDomain" xlink:label="tri_TreasuryStockActivityByTypeDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TreasuryStockActivityByTypeDomain_lbl" xml:lang="en-US" id="id_14165682_3542406_3_1">Treasury stock activity by type [domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TreasuryStockActivityByTypeDomain_lbl" xml:lang="en-US" id="id_14165682_3542406_1_1">Treasury stock activity by type [domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TreasuryStockActivityByTypeDomain_lbl" xml:lang="en-US" id="id_14165682_3542406_2_1">Treasury stock activity by type [domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TreasuryStockActivityByTypeDomain" xlink:to="tri_TreasuryStockActivityByTypeDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TRGPAndTTCPlansMember" xlink:label="tri_TRGPAndTTCPlansMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TRGPAndTTCPlansMember_lbl" xml:lang="en-US" id="id_14165682_3546194_3_1">TRGP and TTC Plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TRGPAndTTCPlansMember_lbl" xml:lang="en-US" id="id_14165682_3546194_1_1">T R G P And T T C Plans [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TRGPAndTTCPlansMember_lbl" xml:lang="en-US" id="id_14165682_3546194_2_1">T R G P And T T C Plans [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TRGPAndTTCPlansMember" xlink:to="tri_TRGPAndTTCPlansMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TTCPlansMember" xlink:label="tri_TTCPlansMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TTCPlansMember_lbl" xml:lang="en-US" id="id_14165682_3546229_3_1">TTC Plans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TTCPlansMember_lbl" xml:lang="en-US" id="id_14165682_3546229_1_1">T T C Plans [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TTCPlansMember_lbl" xml:lang="en-US" id="id_14165682_3546229_2_1">T T C Plans [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TTCPlansMember" xlink:to="tri_TTCPlansMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" xlink:label="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis_lbl" xml:lang="en-US" id="id_14165682_3424451_1_1">Type of measurement of expected credit losses [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis_lbl" xml:lang="en-US" id="id_14165682_3424451_2_1">Type of measurement of expected credit losses [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" xlink:to="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TypeOfMeasurementOfExpectedCreditLossesMember" xlink:label="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesMember_lbl" xml:lang="en-US" id="id_14165682_3423382_1_1">Type of measurement of expected credit losses [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesMember_lbl" xml:lang="en-US" id="id_14165682_3423382_2_1">Type of measurement of expected credit losses [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesMember" xlink:to="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TypeOneMember" xlink:label="tri_TypeOneMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TypeOneMember_lbl" xml:lang="en-US" id="id_14165682_3509205_3_1">Type one.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TypeOneMember_lbl" xml:lang="en-US" id="id_14165682_3509205_1_1">Type One [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TypeOneMember_lbl" xml:lang="en-US" id="id_14165682_3509205_2_1">Type one [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TypeOneMember" xlink:to="tri_TypeOneMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TypesOfAgreementAxis" xlink:label="tri_TypesOfAgreementAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TypesOfAgreementAxis_lbl" xml:lang="en-US" id="id_14165682_3475548_3_1">Types of agreement [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TypesOfAgreementAxis_lbl" xml:lang="en-US" id="id_14165682_3475548_1_1">Types of agreement [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TypesOfAgreementAxis_lbl" xml:lang="en-US" id="id_14165682_3475548_2_1">Types of agreement [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TypesOfAgreementAxis" xlink:to="tri_TypesOfAgreementAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TypesOfAgreementDomain" xlink:label="tri_TypesOfAgreementDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TypesOfAgreementDomain_lbl" xml:lang="en-US" id="id_14165682_3494283_3_1">Types of agreement [domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TypesOfAgreementDomain_lbl" xml:lang="en-US" id="id_14165682_3494283_1_1">Types of agreement [domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TypesOfAgreementDomain_lbl" xml:lang="en-US" id="id_14165682_3494283_2_1">Types of agreement [domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TypesOfAgreementDomain" xlink:to="tri_TypesOfAgreementDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TypesOfFinancialAssetsAxis" xlink:label="ifrs-full_TypesOfFinancialAssetsAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfFinancialAssetsAxis_lbl" xml:lang="en-US" id="id_14165682_3424453_1_1">Types of financial assets [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TypesOfFinancialAssetsAxis_lbl" xml:lang="en-US" id="id_14165682_3424453_2_1">Types of financial assets [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfFinancialAssetsAxis" xlink:to="ifrs-full_TypesOfFinancialAssetsAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TypesOfFinancialLiabilitiesAxis" xlink:label="ifrs-full_TypesOfFinancialLiabilitiesAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfFinancialLiabilitiesAxis_lbl" xml:lang="en-US" id="id_14165682_3424035_1_1">Types of financial liabilities [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TypesOfFinancialLiabilitiesAxis_lbl" xml:lang="en-US" id="id_14165682_3424035_2_1">Types of financial liabilities [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_TypesOfFinancialLiabilitiesAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TypesOfHedgesAxis" xlink:label="ifrs-full_TypesOfHedgesAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfHedgesAxis_lbl" xml:lang="en-US" id="id_14165682_3424036_1_1">Types of hedges [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TypesOfHedgesAxis_lbl" xml:lang="en-US" id="id_14165682_3424036_2_1">Types of hedges [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfHedgesAxis" xlink:to="ifrs-full_TypesOfHedgesAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TypesOfHedgesMember" xlink:label="ifrs-full_TypesOfHedgesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfHedgesMember_lbl" xml:lang="en-US" id="id_14165682_3424454_1_1">Hedges [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TypesOfHedgesMember_lbl" xml:lang="en-US" id="id_14165682_3424454_2_1">Hedges [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfHedgesMember" xlink:to="ifrs-full_TypesOfHedgesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TypesOfInterestRatesAxis" xlink:label="ifrs-full_TypesOfInterestRatesAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfInterestRatesAxis_lbl" xml:lang="en-US" id="id_14165682_3424455_1_1">Types of interest rates [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TypesOfInterestRatesAxis_lbl" xml:lang="en-US" id="id_14165682_3424455_2_1">Types of interest rates [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfInterestRatesAxis" xlink:to="ifrs-full_TypesOfInterestRatesAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TypesOfRisksAxis" xlink:label="ifrs-full_TypesOfRisksAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfRisksAxis_lbl" xml:lang="en-US" id="id_14165682_3424456_1_1">Types of risks [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TypesOfRisksAxis_lbl" xml:lang="en-US" id="id_14165682_3424456_2_1">Types of risks [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfRisksAxis" xlink:to="ifrs-full_TypesOfRisksAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TypesOfRisksMember" xlink:label="ifrs-full_TypesOfRisksMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfRisksMember_lbl" xml:lang="en-US" id="id_14165682_3423384_1_1">Risks [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TypesOfRisksMember_lbl" xml:lang="en-US" id="id_14165682_3423384_2_1">Risks [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfRisksMember" xlink:to="ifrs-full_TypesOfRisksMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:label="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_lbl" xml:lang="en-US" id="id_14165682_3424457_1_1">Types of share-based payment arrangements [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_lbl" xml:lang="en-US" id="id_14165682_3424457_2_1">Types of share-based payment arrangements [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:to="ifrs-full_TypesOfSharebasedPaymentArrangementsAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TypeThreeMember" xlink:label="tri_TypeThreeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TypeThreeMember_lbl" xml:lang="en-US" id="id_14165682_3509207_3_1">Type three.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TypeThreeMember_lbl" xml:lang="en-US" id="id_14165682_3509207_1_1">Type Three [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TypeThreeMember_lbl" xml:lang="en-US" id="id_14165682_3509207_2_1">Type three [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TypeThreeMember" xlink:to="tri_TypeThreeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_TypeTwoMember" xlink:label="tri_TypeTwoMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_TypeTwoMember_lbl" xml:lang="en-US" id="id_14165682_3509206_3_1">Type two.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_TypeTwoMember_lbl" xml:lang="en-US" id="id_14165682_3509206_1_1">Type Two [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_TypeTwoMember_lbl" xml:lang="en-US" id="id_14165682_3509206_2_1">Type two [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_TypeTwoMember" xlink:to="tri_TypeTwoMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_UncertainTaxPositions" xlink:label="tri_UncertainTaxPositions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_UncertainTaxPositions_lbl" xml:lang="en-US" id="id_14165682_3437675_3_1">Provisions for tax positions which the ultimate tax determination is uncertain.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_UncertainTaxPositions_lbl" xml:lang="en-US" id="id_14165682_3437675_1_1">Uncertain Tax Positions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_UncertainTaxPositions_lbl" xml:lang="en-US" id="id_14165682_3437675_2_1">Uncertain tax positions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_UncertainTaxPositions" xlink:to="tri_UncertainTaxPositions_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_UndiscountedCashFlowMember" xlink:label="tri_UndiscountedCashFlowMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_UndiscountedCashFlowMember_lbl" xml:lang="en-US" id="id_14165682_3509007_3_1">Undiscounted cash flow.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_UndiscountedCashFlowMember_lbl" xml:lang="en-US" id="id_14165682_3509007_1_1">Undiscounted Cash Flow [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_UndiscountedCashFlowMember_lbl" xml:lang="en-US" id="id_14165682_3509007_2_1">Undiscounted Cash Flow [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_UndiscountedCashFlowMember" xlink:to="tri_UndiscountedCashFlowMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_UndistributedEarningsOfForeignSubsidiariesCurrent" xlink:label="tri_UndistributedEarningsOfForeignSubsidiariesCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_UndistributedEarningsOfForeignSubsidiariesCurrent_lbl" xml:lang="en-US" id="id_14165682_3464518_3_1">Undistributed earnings of non-Canadian subsidiaries.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_UndistributedEarningsOfForeignSubsidiariesCurrent_lbl" xml:lang="en-US" id="id_14165682_3464518_1_1">Undistributed Earnings Of Foreign Subsidiaries Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_UndistributedEarningsOfForeignSubsidiariesCurrent_lbl" xml:lang="en-US" id="id_14165682_3464518_2_1">Undistributed earnings of non-Canadian subsidiaries</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_UndistributedEarningsOfForeignSubsidiariesCurrent" xlink:to="tri_UndistributedEarningsOfForeignSubsidiariesCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_UnfundedPlansMember" xlink:label="tri_UnfundedPlansMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_UnfundedPlansMember_lbl" xml:lang="en-US" id="id_14165682_3537357_3_1">UnFunded Plans [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_UnfundedPlansMember_lbl" xml:lang="en-US" id="id_14165682_3537357_1_1">UnFunded Plans [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_UnfundedPlansMember_lbl" xml:lang="en-US" id="id_14165682_3537357_2_1">UnFunded Plans [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_UnfundedPlansMember" xlink:to="tri_UnfundedPlansMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_UnquotedPlanAssetsMember" xlink:label="tri_UnquotedPlanAssetsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_UnquotedPlanAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3508921_3_1">Unquoted plan assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_UnquotedPlanAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3508921_1_1">Unquoted plan assets [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_UnquotedPlanAssetsMember_lbl" xml:lang="en-US" id="id_14165682_3508921_2_1">Unquoted Plan Assets [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_UnquotedPlanAssetsMember" xlink:to="tri_UnquotedPlanAssetsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_UnrecognizedPlanAssets" xlink:label="tri_UnrecognizedPlanAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_UnrecognizedPlanAssets_lbl" xml:lang="en-US" id="id_14165682_3453410_3_1">Unrecognized plan assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_UnrecognizedPlanAssets_lbl" xml:lang="en-US" id="id_14165682_3453410_1_1">Unrecognized plan assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="tri_UnrecognizedPlanAssets_lbl" xml:lang="en-US" id="id_14165682_3453410_14_1">Unrecognized plan assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_UnrecognizedPlanAssets" xlink:to="tri_UnrecognizedPlanAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_UnusedTaxLossesMember" xlink:label="ifrs-full_UnusedTaxLossesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_UnusedTaxLossesMember_lbl" xml:lang="en-US" id="id_14165682_3424053_1_1">Unused tax losses [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_UnusedTaxLossesMember_lbl" xml:lang="en-US" id="id_14165682_3424053_2_1">Unused tax losses [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_UnusedTaxLossesMember" xlink:to="ifrs-full_UnusedTaxLossesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_US" xlink:label="country_US"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_US_lbl" xml:lang="en-US" id="id_14165682_3424474_1_1">UNITED STATES</label>
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    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2017/currency-2017-01-31.xsd#currency_USD" xlink:label="currency_USD"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="currency_USD_lbl" xml:lang="en-US" id="id_14165682_3423397_2_1">United States of America, Dollars [member]</label>
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    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_USDollarMember" xlink:label="tri_USDollarMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_USDollarMember_lbl" xml:lang="en-US" id="id_14165682_3477308_3_1">U.S. dollar.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_USDollarMember_lbl" xml:lang="en-US" id="id_14165682_3477308_1_1">Us Dollar [member]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwill"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" id="id_14165682_3423098_1_1">Useful lives or amortisation rates, intangible assets other than goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwill_lbl" xml:lang="en-US" id="id_14165682_3423098_2_1">Intangible assets useful lives</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwill" xlink:to="ifrs-full_UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwill_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment" xlink:label="ifrs-full_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_14165682_3424475_1_1">Useful lives or depreciation rates, property, plant and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_14165682_3424475_2_1">Property useful lives</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment" xlink:to="ifrs-full_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_UsTaxCutsAndJobsActTwoThousandSeventeenMember" xlink:label="tri_UsTaxCutsAndJobsActTwoThousandSeventeenMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_UsTaxCutsAndJobsActTwoThousandSeventeenMember_lbl" xml:lang="en-US" id="id_14165682_3514613_3_1">US Tax Cuts and Jobs Act Two thousand seventeen [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_UsTaxCutsAndJobsActTwoThousandSeventeenMember_lbl" xml:lang="en-US" id="id_14165682_3514613_1_1">US Tax Cuts and Jobs Act Two thousand seventeen [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_UsTaxCutsAndJobsActTwoThousandSeventeenMember_lbl" xml:lang="en-US" id="id_14165682_3514613_2_1">US Tax Cuts and Jobs Act Two thousand seventeen [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_UsTaxCutsAndJobsActTwoThousandSeventeenMember" xlink:to="tri_UsTaxCutsAndJobsActTwoThousandSeventeenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_UtilisationAllowanceAccountForCreditLossesOfFinancialAssets" xlink:label="ifrs-full_UtilisationAllowanceAccountForCreditLossesOfFinancialAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_UtilisationAllowanceAccountForCreditLossesOfFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3423101_1_1">Utilisation, allowance account for credit losses of financial assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_UtilisationAllowanceAccountForCreditLossesOfFinancialAssets_lbl" xml:lang="en-US" id="id_14165682_3423101_14_1">Write-offs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_UtilisationAllowanceAccountForCreditLossesOfFinancialAssets" xlink:to="ifrs-full_UtilisationAllowanceAccountForCreditLossesOfFinancialAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ValuationTechniquesMember" xlink:label="ifrs-full_ValuationTechniquesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ValuationTechniquesMember_lbl" xml:lang="en-US" id="id_14165682_3423403_1_1">Valuation techniques [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ValuationTechniquesMember_lbl" xml:lang="en-US" id="id_14165682_3423403_2_1">Valuation techniques [member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ValuationTechniquesMember" xlink:to="ifrs-full_ValuationTechniquesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:label="ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis_lbl" xml:lang="en-US" id="id_14165682_3423404_1_1">Valuation techniques used in fair value measurement [axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis_lbl" xml:lang="en-US" id="id_14165682_3423404_2_1">Valuation techniques used in fair value measurement [axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:to="ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_VestingPeriodOfOtherEquityInstrument" xlink:label="tri_VestingPeriodOfOtherEquityInstrument"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_VestingPeriodOfOtherEquityInstrument_lbl" xml:lang="en-US" id="id_14165682_3472331_3_1">Vesting period of other equity instrument.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_VestingPeriodOfOtherEquityInstrument_lbl" xml:lang="en-US" id="id_14165682_3472331_1_1">Vesting Period Of Other Equity Instrument</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_VestingPeriodOfOtherEquityInstrument_lbl" xml:lang="en-US" id="id_14165682_3472331_2_1">Vesting period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="tri_VestingPeriodOfOtherEquityInstrument" xlink:to="tri_VestingPeriodOfOtherEquityInstrument_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation" xlink:label="ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation_lbl" xml:lang="en-US" id="id_14165682_3423778_1_1">Weighted average duration of defined benefit obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation_lbl" xml:lang="en-US" id="id_14165682_3423778_2_1">Weighted average duration of defined benefit obligation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation" xlink:to="ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3423780_1_1">Weighted average exercise price of share options exercisable in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3423780_2_1">Exercisable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3423780_12_1">Weighted-Average Exercise Price - Exercisable Awards</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3423781_1_1">Weighted average exercise price of share options exercised in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3423781_2_1">Exercised</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3424495_1_1">Weighted average exercise price of share options forfeited in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3424495_2_1">Forfeited</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3424073_1_1">Weighted average exercise price of share options granted in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3424073_2_1">Granted</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise_lbl" xml:lang="en-US" id="id_14165682_3424074_1_1">Weighted average share price for share options in share-based payment arrangement exercised during period at date of exercise</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise_lbl" xml:lang="en-US" id="id_14165682_3424074_2_1">Weighted average share price at the time of exercise of awards</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3424496_1_1">Weighted average exercise price of share options outstanding in share-based payment arrangement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3424496_4_1">Ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3424496_5_1">Beginning balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement_lbl" xml:lang="en-US" id="id_14165682_3424496_2_1">Weighted-Average Exercise Price - Outstanding Awards</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted" xlink:label="ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted_lbl" xml:lang="en-US" id="id_14165682_3424075_1_1">Weighted average fair value at measurement date, other equity instruments granted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted_lbl" xml:lang="en-US" id="id_14165682_3424075_2_1">Weighted average fair value of options granted</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted" xlink:to="ifrs-full_WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted" xlink:label="ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted_lbl" xml:lang="en-US" id="id_14165682_3424497_1_1">Weighted average fair value at measurement date, share options granted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted_lbl" xml:lang="en-US" id="id_14165682_3424497_2_1">Weighted-average fair value</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted" xlink:to="ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted_lbl"/>
    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_WeightedAverageNumberOfSharesBasic" xlink:label="tri_WeightedAverageNumberOfSharesBasic"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_WeightedAverageNumberOfSharesBasic_lbl" xml:lang="en-US" id="id_14165682_3530887_3_1">Weighted average number of shares basic.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_WeightedAverageNumberOfSharesBasic_lbl" xml:lang="en-US" id="id_14165682_3530887_1_1">Weighted Average Number of Shares Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="tri_WeightedAverageNumberOfSharesBasic_lbl" xml:lang="en-US" id="id_14165682_3530887_6_1">Basic</label>
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    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_WeightedAverageNumberOfVestedDSUs" xlink:label="tri_WeightedAverageNumberOfVestedDSUs"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions_lbl" xml:lang="en-US" id="id_14165682_3423783_2_1">Weighted-Average Remaining Life</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageSharePriceShareOptionsGranted_lbl" xml:lang="en-US" id="id_14165682_3423419_2_1">Share price</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageShares_lbl" xml:lang="en-US" id="id_14165682_3423785_1_1">Weighted average number of ordinary shares outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_WeightedAverageShares_lbl" xml:lang="en-US" id="id_14165682_3423785_2_1">Weighted-average number of common shares outstanding</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageShares" xlink:to="ifrs-full_WeightedAverageShares_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2018-03-16/full_ifrs/full_ifrs-cor_2018-03-16.xsd#ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract" xlink:label="ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract_lbl" xml:lang="en-US" id="id_14165682_3424076_1_1">Weighted average ordinary shares and adjusted weighted average ordinary shares [abstract]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_WestMember_lbl" xml:lang="en-US" id="id_14165682_3509151_3_1">West.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_WestMember_lbl" xml:lang="en-US" id="id_14165682_3509151_2_1">West [member]</label>
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    <loc xlink:type="locator" xlink:href="tri-20181231.xsd#tri_WoodbridgeCancellationOfSharesSibMember" xlink:label="tri_WoodbridgeCancellationOfSharesSibMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="tri_WoodbridgeCancellationOfSharesSibMember_lbl" xml:lang="en-US" id="id_14165682_3549386_3_1">Woodbridge cancellation of shares - SIB [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="tri_WoodbridgeCancellationOfSharesSibMember_lbl" xml:lang="en-US" id="id_14165682_3549386_1_1">Woodbridge cancellation of shares - SIB [member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_WoodbridgeCancellationOfSharesSibMember_lbl" xml:lang="en-US" id="id_14165682_3549386_2_1">Woodbridge cancellation of shares - SIB [member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="tri_WoodbridgeIssuanceQualifyingHoldcoAlternativeSibMember_lbl" xml:lang="en-US" id="id_14165682_3549385_2_1">Woodbridge issuance - Qualifying Holdco Alternative - SIB [member]</label>
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