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  <element name="IncreaseDecreaseInCashAndSecuritiesSegregatedUnderFederalAndOtherRegulations1" id="laz_IncreaseDecreaseInCashAndSecuritiesSegregatedUnderFederalAndOtherRegulations1" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IncreaseDecreaseInDepositsAndOtherCustomerPayables" id="laz_IncreaseDecreaseInDepositsAndOtherCustomerPayables" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InitialSharesAndEarnoutSharesMember" id="laz_InitialSharesAndEarnoutSharesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InitialSharesMember" id="laz_InitialSharesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IntangibleAssetAmortizationAttributableToNoncontrollingInterestPercentage" id="laz_IntangibleAssetAmortizationAttributableToNoncontrollingInterestPercentage" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IntangibleAssetsLineItems" id="laz_IntangibleAssetsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InterestBearingFinancingFeeReceivables" id="laz_InterestBearingFinancingFeeReceivables" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InterestRateHedgeMember" id="laz_InterestRateHedgeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InvestmentBankingAndOtherAdvisoryFees" id="laz_InvestmentBankingAndOtherAdvisoryFees" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InvestmentsIncludingDebtAndEquitySecuritiesOtherInvestmentsAsWellAsInvestmentsAccountedForUnderEquityMethodAndSecuritiesSoldNotYetPurchasedTableTextBlock" id="laz_InvestmentsIncludingDebtAndEquitySecuritiesOtherInvestmentsAsWellAsInvestmentsAccountedForUnderEquityMethodAndSecuritiesSoldNotYetPurchasedTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IssuanceOfRestrictedStockUnitsInConnectionWithDividendParticipationRights" id="laz_IssuanceOfRestrictedStockUnitsInConnectionWithDividendParticipationRights" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LazardFundInterestMember" id="laz_LazardFundInterestMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LazardFundInterestsAndOtherSimilarDeferredCompensationArrangementsMember" id="laz_LazardFundInterestsAndOtherSimilarDeferredCompensationArrangementsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LazardFundInterestsMember" id="laz_LazardFundInterestsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LazardGroupFourPointTwoFivePercentSeniorNotesMember" id="laz_LazardGroupFourPointTwoFivePercentSeniorNotesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LazardGroupMember" id="laz_LazardGroupMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LazardGroupSixPointEightFivePercentSeniorNotesMember" id="laz_LazardGroupSixPointEightFivePercentSeniorNotesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LazardLimitedMember" id="laz_LazardLimitedMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LazardLtdMember" id="laz_LazardLtdMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LazardMdHoldingsLlcMember" id="laz_LazardMdHoldingsLlcMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LazMdHoldingsMember" id="laz_LazMdHoldingsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LfbMember" id="laz_LfbMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LfcmHoldingsMember" id="laz_LfcmHoldingsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LfnyUSRegisteredBrokerDealerMember" id="laz_LfnyUSRegisteredBrokerDealerMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LiabilityAwardCompensationExpense" id="laz_LiabilityAwardCompensationExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LiabilityAwardSettled" id="laz_LiabilityAwardSettled" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LiabilityAwardsMember" id="laz_LiabilityAwardsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ManagementFeesCustomerRelationshipsAndNonCompeteAgreementsMember" id="laz_ManagementFeesCustomerRelationshipsAndNonCompeteAgreementsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MasterSeparationAgreementMember" id="laz_MasterSeparationAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MbaLazardHoldingsMember" id="laz_MbaLazardHoldingsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MezzanineDebtMember" id="laz_MezzanineDebtMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MonthlyMember" id="laz_MonthlyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NatixisSaMember" id="laz_NatixisSaMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NetRevenue" id="laz_NetRevenue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NonExecutiveMember" id="laz_NonExecutiveMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfSharesCommonMembershipInterestsPurchased" id="laz_NumberOfSharesCommonMembershipInterestsPurchased" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OrganizationAndBasisOfPresentationLineItems" id="laz_OrganizationAndBasisOfPresentationLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OrganizationAndBasisOfPresentationTable" id="laz_OrganizationAndBasisOfPresentationTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="OtherAlternativeInvestmentsMember" id="laz_OtherAlternativeInvestmentsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherComprehensiveIncomeLossIncludingNoncontrollingInterestNetOfTax" id="laz_OtherComprehensiveIncomeLossIncludingNoncontrollingInterestNetOfTax" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherFundsMember" id="laz_OtherFundsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherMemberMember" id="laz_OtherMemberMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherRelatedPartiesMember" id="laz_OtherRelatedPartiesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherUSAndNonUSSubsidiariesMember" id="laz_OtherUSAndNonUSSubsidiariesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PayablePursuantToTaxReceivableAgreement" id="laz_PayablePursuantToTaxReceivableAgreement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PaymentsForFinancingActivitiesAbstract" id="laz_PaymentsForFinancingActivitiesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PaymentsForOtherFinancingActivities" id="laz_PaymentsForOtherFinancingActivities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PaymentsFromTwoThousandAndFourteenThroughTwoThousandAndTwentyMember" id="laz_PaymentsFromTwoThousandAndFourteenThroughTwoThousandAndTwentyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PaymentsFromTwoThousandAndTwelveThroughTwoThousandAndTwentyMember" id="laz_PaymentsFromTwoThousandAndTwelveThroughTwoThousandAndTwentyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageCommonMembershipInterestsHeld" id="laz_PercentageCommonMembershipInterestsHeld" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfAggregateIndebtednessRecordedInFocusReport" id="laz_PercentageOfAggregateIndebtednessRecordedInFocusReport" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfAnnualCompensationReceivedByDirectorsInDeferredStockUnits" id="laz_PercentageOfAnnualCompensationReceivedByDirectorsInDeferredStockUnits" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfCashSavingsRequiredToPayUnderTaxReceivableAgreement" id="laz_PercentageOfCashSavingsRequiredToPayUnderTaxReceivableAgreement" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfEstimatedLiquidationPeriodOfInvestmentsNotRedeemableFiveToTenYears" id="laz_PercentageOfEstimatedLiquidationPeriodOfInvestmentsNotRedeemableFiveToTenYears" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfEstimatedLiquidationPeriodOfInvestmentsNotRedeemableNextFiveYears" id="laz_PercentageOfEstimatedLiquidationPeriodOfInvestmentsNotRedeemableNextFiveYears" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfEstimatedLiquidationPeriodOfInvestmentsNotRedeemableThereafter" id="laz_PercentageOfEstimatedLiquidationPeriodOfInvestmentsNotRedeemableThereafter" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfFairValueNotRedeemable" id="laz_PercentageOfFairValueNotRedeemable" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfOutstandingClassCommonStock" id="laz_PercentageOfOutstandingClassCommonStock" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfTargetNumberOfSharesSubjectToEachPrsuNoLongerSubjectToForfeitureDueToThresholdLevelOfPerformanceBeingAchieved" id="laz_PercentageOfTargetNumberOfSharesSubjectToEachPrsuNoLongerSubjectToForfeitureDueToThresholdLevelOfPerformanceBeingAchieved" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfVotingInterestHeldByNoncontrollingInterest" id="laz_PercentageOfVotingInterestHeldByNoncontrollingInterest" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PerformanceBasedRestrictedStockUnitPrsuMember" id="laz_PerformanceBasedRestrictedStockUnitPrsuMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PerformanceRestrictedStockUnitsMember" id="laz_PerformanceRestrictedStockUnitsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrepaidCompensationAsset" id="laz_PrepaidCompensationAsset" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrepaidCompensationAssetAdjustmentToForfeiture" id="laz_PrepaidCompensationAssetAdjustmentToForfeiture" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrepaidCompensationAssetChangeInFairValue" id="laz_PrepaidCompensationAssetChangeInFairValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrepaidCompensationAssetForeignCurrencyTranslationAndOtherAdjustments" id="laz_PrepaidCompensationAssetForeignCurrencyTranslationAndOtherAdjustments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrepaidCompensationAssetForfeited" id="laz_PrepaidCompensationAssetForfeited" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrepaidCompensationAssetGranted" id="laz_PrepaidCompensationAssetGranted" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrepaidCompensationAssetSettled" id="laz_PrepaidCompensationAssetSettled" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProceedsFromFinancingActivitiesAbstract" id="laz_ProceedsFromFinancingActivitiesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProceedsFromOtherFinancingActivities" id="laz_ProceedsFromOtherFinancingActivities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProvisionBenefitPursuantToTaxReceivableAgreement" id="laz_ProvisionBenefitPursuantToTaxReceivableAgreement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="QuarterlyMember" id="laz_QuarterlyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReceivableDeemedPastDueOrUncollectible" id="laz_ReceivableDeemedPastDueOrUncollectible" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReceivablesFromCustomersAndOther" id="laz_ReceivablesFromCustomersAndOther" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReceivablesNetAbstract" id="laz_ReceivablesNetAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RedemptionOfNotes" id="laz_RedemptionOfNotes" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReferralFeesForUnderwritingAndPrivatePlacementTransactionsMember" id="laz_ReferralFeesForUnderwritingAndPrivatePlacementTransactionsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReferralFeesMember" id="laz_ReferralFeesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RegulatoryRequirementsLineItems" id="laz_RegulatoryRequirementsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RelatedPartyTransactionAgreementEffectiveDate" id="laz_RelatedPartyTransactionAgreementEffectiveDate" type="xbrli:dateItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RemainingCommitmentDate" id="laz_RemainingCommitmentDate" type="xbrli:dateItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RestrictedStockAwardsRsaMember" id="laz_RestrictedStockAwardsRsaMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RsuModifiedThroughForwardPurchaseAgreementsIntoLiabilityAward" id="laz_RsuModifiedThroughForwardPurchaseAgreementsIntoLiabilityAward" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfActivityRelatingToPerformanceRestrictedStockUnitsTableTextBlock" id="laz_ScheduleOfActivityRelatingToPerformanceRestrictedStockUnitsTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfActivityRelatingToRestrictedStockUnitAndDeferredStockUnitTableTextBlock" id="laz_ScheduleOfActivityRelatingToRestrictedStockUnitAndDeferredStockUnitTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfAllowanceForDoubtfulAccountsTableTextBlock" id="laz_ScheduleOfAllowanceForDoubtfulAccountsTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfGroupDistributionsLineItems" id="laz_ScheduleOfGroupDistributionsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfGroupDistributionsTable" id="laz_ScheduleOfGroupDistributionsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="ScheduleOfGroupDistributionsTableTextBlock" id="laz_ScheduleOfGroupDistributionsTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfIntangibleAssetsTable" id="laz_ScheduleOfIntangibleAssetsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="ScheduleOfIssuanceOfRestrictedStockUnitsAndChargesToRetainedEarningsTableTextBlock" id="laz_ScheduleOfIssuanceOfRestrictedStockUnitsAndChargesToRetainedEarningsTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfNoncontrollingInterestsDuringAndAsOfEndOfReportingPeriodsTableTextBlock" id="laz_ScheduleOfNoncontrollingInterestsDuringAndAsOfEndOfReportingPeriodsTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfRegulatoryAuthoritiesTable" id="laz_ScheduleOfRegulatoryAuthoritiesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="ScheduleOfShareRepurchaseProgramsLineItems" id="laz_ScheduleOfShareRepurchaseProgramsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfShareRepurchaseProgramsTable" id="laz_ScheduleOfShareRepurchaseProgramsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="ScheduleOfShareRepurchaseProgramTableTextBlock" id="laz_ScheduleOfShareRepurchaseProgramTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfShareRepurchasesAuthorizedByBoardOfDirectorsTableTextBlock" id="laz_ScheduleOfShareRepurchasesAuthorizedByBoardOfDirectorsTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfStockholdersEquityLineItems" id="laz_ScheduleOfStockholdersEquityLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfStockholdersEquityTable" id="laz_ScheduleOfStockholdersEquityTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="ScheduleOfSummaryOfActivityRelatedToSharesOfRestrictedClassCommonStockTableTextBlock" id="laz_ScheduleOfSummaryOfActivityRelatedToSharesOfRestrictedClassCommonStockTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorDebtMember" id="laz_SeniorDebtMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SettlementOfShareBasedIncentiveCompensation" id="laz_SettlementOfShareBasedIncentiveCompensation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SevenPointOneTwoFivePercentSeniorNotesMember" id="laz_SevenPointOneTwoFivePercentSeniorNotesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsOtherVestingTerms" id="laz_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsOtherVestingTerms" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageGrantDateFairValue" id="laz_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageGrantDateFairValue" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardTargetSharesEarnedDescription" id="laz_ShareBasedCompensationArrangementByShareBasedPaymentAwardTargetSharesEarnedDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareInformationAttributableToParentCompanyClassStockholdersAbstract" id="laz_ShareInformationAttributableToParentCompanyClassStockholdersAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareRepurchaseProgramAbstract" id="laz_ShareRepurchaseProgramAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareRepurchaseProgramDateAprilTwoThousandAndFourteenMember" id="laz_ShareRepurchaseProgramDateAprilTwoThousandAndFourteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareRepurchaseProgramDateAprilTwoThousandAndTwelveMember" id="laz_ShareRepurchaseProgramDateAprilTwoThousandAndTwelveMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareRepurchaseProgramDateFebruaryTwoThousandAndElevenMember" id="laz_ShareRepurchaseProgramDateFebruaryTwoThousandAndElevenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareRepurchaseProgramDateOctoberTwoThousandAndElevenMember" id="laz_ShareRepurchaseProgramDateOctoberTwoThousandAndElevenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareRepurchaseProgramDateOctoberTwoThousandAndThirteenMember" id="laz_ShareRepurchaseProgramDateOctoberTwoThousandAndThirteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareRepurchaseProgramDateOctoberTwoThousandAndTwelveMember" id="laz_ShareRepurchaseProgramDateOctoberTwoThousandAndTwelveMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SharesInExchangeOfLikeNumberOfCommonMembershipInterests" id="laz_SharesInExchangeOfLikeNumberOfCommonMembershipInterests" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="StockholdersEquitySubtotalBeforeCommonStockHeldBySubsidiaryAndNoncontrollingInterests" id="laz_StockholdersEquitySubtotalBeforeCommonStockHeldBySubsidiaryAndNoncontrollingInterests" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="StockIssuedDuringPeriodShareBasedCompensationAndRelatedTaxBenefitsExpensesShares" id="laz_StockIssuedDuringPeriodShareBasedCompensationAndRelatedTaxBenefitsExpensesShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="StockIssuedDuringPeriodValueShareBasedCompensationAndRelatedTaxBenefitExpense" id="laz_StockIssuedDuringPeriodValueShareBasedCompensationAndRelatedTaxBenefitExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="StockIssuedIssuableDuringPeriodValueBusinessAcquisitionsMergersAndAmortization" id="laz_StockIssuedIssuableDuringPeriodValueBusinessAcquisitionsMergersAndAmortization" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="StockRepurchaseProgramExpirationDateOne" id="laz_StockRepurchaseProgramExpirationDateOne" type="xbrli:dateItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SuccessAndPerformanceFeesMember" id="laz_SuccessAndPerformanceFeesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SummaryOfFundInterestsAndOtherSimilarDeferredCompensationArrangementsTableTextBlock" id="laz_SummaryOfFundInterestsAndOtherSimilarDeferredCompensationArrangementsTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SummaryOfImpactOfFundInterestsAndOtherSimilarDeferredCompensationArrangementsTableTextBlock" id="laz_SummaryOfImpactOfFundInterestsAndOtherSimilarDeferredCompensationArrangementsTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SummaryOfIncentivePlansOnCompensationAndBenefitsExpenseTableTextBlock" id="laz_SummaryOfIncentivePlansOnCompensationAndBenefitsExpenseTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TaxBenefitOrExpensesRelatedToDeliveryOfClassaCommonStockInConnectionWithShareBasedIncentiveCompensation" id="laz_TaxBenefitOrExpensesRelatedToDeliveryOfClassaCommonStockInConnectionWithShareBasedIncentiveCompensation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TotalReturnSwapsAndOtherMember" id="laz_TotalReturnSwapsAndOtherMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TwoThousandAndFivePlanMember" id="laz_TwoThousandAndFivePlanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UnitedKingdomSubsidiaryMember" id="laz_UnitedKingdomSubsidiaryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UnitsGrantedDirectorsDeferredUnitPlan" id="laz_UnitsGrantedDirectorsDeferredUnitPlan" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VestingDateMarchTwoThousandFifteenMember" id="laz_VestingDateMarchTwoThousandFifteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VestingDateMarchTwoThousandSixteenMember" id="laz_VestingDateMarchTwoThousandSixteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="WeeklyMember" id="laz_WeeklyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="WeightedAverageNumberOfSharesNonContingentlyIssuable" id="laz_WeightedAverageNumberOfSharesNonContingentlyIssuable" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="WeightedAverageNumberOfSharesOutstandingBeforeAdjustmentsForBasicAndDilutedShares" id="laz_WeightedAverageNumberOfSharesOutstandingBeforeAdjustmentsForBasicAndDilutedShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
</schema>
