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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_rel_PaymentsForPurchaseOfEmployeeBenefitTrustSharesClassifiedAsFinancingActivities" xml:lang="en">Payments For Purchase Of Employee Benefit Trust Shares Classified As Financing Activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_rel_PaymentsForPurchaseOfEmployeeBenefitTrustSharesClassifiedAsFinancingActivities" xml:lang="en">Payments For Purchase Of Employee Benefit Trust Shares Classified As Financing Activities.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xml:lang="en">Net cash flows from (used in) investing activities</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_rel_ExpenditureOnInternallyDevelopedIntangibleAssetsClassifiedAsInvestingActivities" xml:lang="en">Expenditure On Internally Developed Intangible Assets Classified As Investing Activities.</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_rel_CashFlowsUsedInLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xml:lang="en">Cash Flows Used In Losing Control Of Subsidiaries Or Other Businesses Classified As Investing Activities.</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_PurchaseOfOtherLongtermAssetsClassifiedAsInvestingActivities" xml:lang="en">Purchase of other long-term assets, classified as investing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xml:lang="en">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/2003/role/totalLabel" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xml:lang="en">Net cash flows from (used in) operating activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xml:lang="en">Income taxes paid (refund), classified as operating activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xml:lang="en">Interest paid, classified as operating activities</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_rel_InventoriesAndPrepublicationCosts" xml:lang="en">Inventories and prepublication costs</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_rel_InventoriesAndPrepublicationCosts" xml:lang="en">Inventories and pre-publication costs</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_rel_TradeAndOtherReceivablesCurrent" xml:lang="en">Trade and other receivables current.</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_rel_RetainedEarningsAndOtherReserves" xml:lang="en">Retained Earnings And Other Reserves.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_NetAssetsLiabilities" xml:lang="en">Net assets</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_rel_NonCurrentBorrowings" xml:lang="en">Non current borrowings.</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_rel_CurrentBorrowing" xml:lang="en">Current Borrowings.</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_rel_ExchangeDifferencesOnTranslationOfCapitalAndReserves" xml:lang="en">Exchange Differences On Translation Of Capital And Reserves</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_rel_ExchangeDifferencesOnTranslationOfCapitalAndReserves" xml:lang="en">Exchange differences on translation of capital and reserves.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_PurchaseOfTreasuryShares" xml:lang="en">Purchase of treasury shares</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_rel_SettlementOfShareAwards" xml:lang="en">Settlement Of Share Awards</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_rel_SettlementOfShareAwards" xml:lang="en">Settlement of share awards.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_rel_IncreaseInShareBasedRemunerationReserveNetOfTax" xml:lang="en">Increase In Share Based Remuneration Reserve (Net Of Tax)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_rel_IncreaseInShareBasedRemunerationReserveNetOfTax" xml:lang="en">Increase in share based remuneration reserve (net of tax).</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_rel_BonusIssueOfOrdinaryShares" xml:lang="en">Bonus issue of ordinary shares</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_rel_BonusIssueOfOrdinaryShares" xml:lang="en">Bonus issue of ordinary shares</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_rel_CancellationOfBonusShares" xml:lang="en">Cancellation of bonus shares</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_rel_CancellationOfBonusShares" xml:lang="en">Cancellation of bonus shares</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_rel_CancellationOfBonusShares" xml:lang="en">Cancellation of bonus shares</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_rel_RetainedEarningsAndOtherReservesMember" xml:lang="en">Retained Earnings And Other Reserves [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_rel_RetainedEarningsAndOtherReservesMember" xml:lang="en">Retained earnings and other reserves [member].</label>
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