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  <import namespace="http://xbrl.sec.gov/currency/2012-01-31" schemaLocation="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd"/>
  <import namespace="http://xbrl.sec.gov/dei/2013-01-31" schemaLocation="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd"/>
  <import namespace="http://xbrl.sec.gov/exch/2013-01-31" schemaLocation="http://xbrl.sec.gov/exch/2013/exch-2013-01-31.xsd"/>
  <import namespace="http://xbrl.sec.gov/invest/2013-01-31" schemaLocation="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd"/>
  <import namespace="http://xbrl.sec.gov/stpr/2011-01-31" schemaLocation="http://xbrl.sec.gov/stpr/2011/stpr-2011-01-31.xsd"/>
  <element name="AbandonedLeasedSpace" id="laz_AbandonedLeasedSpace" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AccruedCompensationAndBenefitsMember" id="laz_AccruedCompensationAndBenefitsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AccumulatedOtherComprehensiveIncomeLossNetOfTaxesAbstract" id="laz_AccumulatedOtherComprehensiveIncomeLossNetOfTaxesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AdditionalCashPaymentSubjectToDelayedConsiderationPayment" id="laz_AdditionalCashPaymentSubjectToDelayedConsiderationPayment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AdditionalContributionToPlanAssetsOrEscrowAccount" id="laz_AdditionalContributionToPlanAssetsOrEscrowAccount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AdditionalSharesIssuanceSubjectToDelayedConsiderationPayment" id="laz_AdditionalSharesIssuanceSubjectToDelayedConsiderationPayment" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AdjustmentAssociatedWithClassCommonStockIssuableOnNonContingentBasis" id="laz_AdjustmentAssociatedWithClassCommonStockIssuableOnNonContingentBasis" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AdjustmentRelatedToChangeInCompanysOwnershipInGroup" id="laz_AdjustmentRelatedToChangeInCompanysOwnershipInGroup" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AdjustmentsToIncomeRelatingToInterestExpenseAndChangesInNetIncomeAttributableToNoncontrollingInterestsFromIssuanceOfStockNetOfTax" id="laz_AdjustmentsToIncomeRelatingToInterestExpenseAndChangesInNetIncomeAttributableToNoncontrollingInterestsFromIssuanceOfStockNetOfTax" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AdministrativeAndSupportServicesAndOthersMember" id="laz_AdministrativeAndSupportServicesAndOthersMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AdministrativeServicesAgreementMember" id="laz_AdministrativeServicesAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AdministrativeServicesAgreementRequisiteNoticePeriodInDaysForVoidOfAutomaticRenewal" id="laz_AdministrativeServicesAgreementRequisiteNoticePeriodInDaysForVoidOfAutomaticRenewal" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AdvancesAndPrepayments" id="laz_AdvancesAndPrepayments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="AggregateCarryingAmountNoninterestBearingTradeReceivables" id="laz_AggregateCarryingAmountNoninterestBearingTradeReceivables" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AllowanceForDoubtfulAccountsReceivableChargeOffsForeignCurrencyTranslationAndOtherAdjustments" id="laz_AllowanceForDoubtfulAccountsReceivableChargeOffsForeignCurrencyTranslationAndOtherAdjustments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="AmortizationOfDeferredExpensesStockUnitsAndInterestRateHedge" id="laz_AmortizationOfDeferredExpensesStockUnitsAndInterestRateHedge" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AmortizationOfInterestRateHedge" id="laz_AmortizationOfInterestRateHedge" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AmortizationRelatingToEmployeeBenefitPlan" id="laz_AmortizationRelatingToEmployeeBenefitPlan" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AmountOfDeferredTaxAssetsForUnrecognizedTaxBenefitsRecorded" id="laz_AmountOfDeferredTaxAssetsForUnrecognizedTaxBenefitsRecorded" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AmountRecordedInAccruedCompensationExpenseRelatedToLiabilityAwardAfterAmortization" id="laz_AmountRecordedInAccruedCompensationExpenseRelatedToLiabilityAwardAfterAmortization" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AmountsRecordedRelatingToNetReferralFeesForUnderwritingPrivatePlacementAndRestructuringTransactions" id="laz_AmountsRecordedRelatingToNetReferralFeesForUnderwritingPrivatePlacementAndRestructuringTransactions" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="AnnualDateOfGoodwillImpairment" id="laz_AnnualDateOfGoodwillImpairment" type="xbrli:dateItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AssetManagementSegmentMember" id="laz_AssetManagementSegmentMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AssetsManagementMember" id="laz_AssetsManagementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AveragePricePerShareCommonMembershipInterest" id="laz_AveragePricePerShareCommonMembershipInterest" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AwardedUnderTwoThousandEightPlanMember" id="laz_AwardedUnderTwoThousandEightPlanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="BasisAdjustmentsRelatingToDeferredTaxAssetsForPurchasesAndRedemptionsOfHistoricalAndWorkingMembersInterests" id="laz_BasisAdjustmentsRelatingToDeferredTaxAssetsForPurchasesAndRedemptionsOfHistoricalAndWorkingMembersInterests" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="BasisStepUpAssetsRelatedToTaxReceivableAgreement" id="laz_BasisStepUpAssetsRelatedToTaxReceivableAgreement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="BenefitObligationsAndNetPeriodicBenefitCostsWeightedAverageAssumptionsAndHealthCareCostTrendRatesAssumptionsTableTextBlock" id="laz_BenefitObligationsAndNetPeriodicBenefitCostsWeightedAverageAssumptionsAndHealthCareCostTrendRatesAssumptionsTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="BusinessAcquisitionCostOfAcquiredEntityExercisedPrice" id="laz_BusinessAcquisitionCostOfAcquiredEntityExercisedPrice" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="BusinessAcquisitionEarnoutShareUnrestrictedOrDelivered" id="laz_BusinessAcquisitionEarnoutShareUnrestrictedOrDelivered" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="BusinessAcquisitionOptionCostToAcquireEntityPurchasePrice" id="laz_BusinessAcquisitionOptionCostToAcquireEntityPurchasePrice" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="CapitalLeaseObligationCollateralized" id="laz_CapitalLeaseObligationCollateralized" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CapitalLeaseObligationsRecordedUnderSaleLeasebackTransactionsPayable" id="laz_CapitalLeaseObligationsRecordedUnderSaleLeasebackTransactionsPayable" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="ChangesInGrossUnrecognizedTaxBenefitsExcludingInterestAndPenaltiesTableTextBlock" id="laz_ChangesInGrossUnrecognizedTaxBenefitsExcludingInterestAndPenaltiesTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="DecemberTwoThousandFourteenMember" id="laz_DecemberTwoThousandFourteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="DeferredIncomeTaxesAndOtherTaxLiabilities" id="laz_DeferredIncomeTaxesAndOtherTaxLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="NetChargeToOtherComprehensiveIncomeDueToRemeasurement" id="laz_NetChargeToOtherComprehensiveIncomeDueToRemeasurement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NetOperatingLossesDueToAmortizationOfStepUpAssets" id="laz_NetOperatingLossesDueToAmortizationOfStepUpAssets" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" 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="NonUsExcludingUkPensionPlansMember" id="laz_NonUsExcludingUkPensionPlansMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NorthAmericanFundManagementActivitiesMember" id="laz_NorthAmericanFundManagementActivitiesMember" 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="OffsetToDeferredTaxAssetsForUnrecognizedTaxBenefits" id="laz_OffsetToDeferredTaxAssetsForUnrecognizedTaxBenefits" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OneThirdVestingMember" id="laz_OneThirdVestingMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OperatingLossCarryForwardExpirationYear" id="laz_OperatingLossCarryForwardExpirationYear" type="xbrli:gYearItemType" 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="OtherAssetsAndOtherLiabilitiesDisclosureTextBlock" id="laz_OtherAssetsAndOtherLiabilitiesDisclosureTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherComprehensiveIncomeAmortizationOfNetActuarialGainsLossesAndPriorServiceCostArisingDuringPeriodNetOfTax" id="laz_OtherComprehensiveIncomeAmortizationOfNetActuarialGainsLossesAndPriorServiceCostArisingDuringPeriodNetOfTax" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherComprehensiveIncomeLossAttributableToNonControllingInterest" id="laz_OtherComprehensiveIncomeLossAttributableToNonControllingInterest" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustment" id="laz_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" 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="OtherFinancingReceivables" id="laz_OtherFinancingReceivables" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" 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="OtherWesternEuropeMember" id="laz_OtherWesternEuropeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OutstandingCommitmentAssumed" id="laz_OutstandingCommitmentAssumed" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" 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="PaymentForEquityInterest" id="laz_PaymentForEquityInterest" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" 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="PensionPlansPostretirementAndOtherEmployeeBenefitsLineItems" id="laz_PensionPlansPostretirementAndOtherEmployeeBenefitsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PensionPlansWithAccumulatedBenefitObligationAndProjectedBenefitObligationsInExcessOfFairValueOfPlanAssetsTableTextBlock" id="laz_PensionPlansWithAccumulatedBenefitObligationAndProjectedBenefitObligationsInExcessOfFairValueOfPlanAssetsTableTextBlock" type="nonnum:textBlockItemType" abstract="false" 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="PercentageOfCarriedInterestAcquired" id="laz_PercentageOfCarriedInterestAcquired" 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="PercentageOfPlanAssetsInvestedInEquitiesDebtFundsAndCash" id="laz_PercentageOfPlanAssetsInvestedInEquitiesDebtFundsAndCash" 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="PerformanceBasedRestrictedStockMember" id="laz_PerformanceBasedRestrictedStockMember" 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"/>
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  <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="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="QuotedMarketPricesOfMoneyMarketFunds" id="laz_QuotedMarketPricesOfMoneyMarketFunds" type="num:perShareItemType" abstract="false" xbrli:periodType="instant" 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="ReceivablesNetLineItems" id="laz_ReceivablesNetLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RecognitionOfSettlementLossesChargedToCompensationAndBenefitsExpense" id="laz_RecognitionOfSettlementLossesChargedToCompensationAndBenefitsExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" 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="ReducedSizeOfAggregateCommitments" id="laz_ReducedSizeOfAggregateCommitments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReferralFeesForRestructuringTransactions" id="laz_ReferralFeesForRestructuringTransactions" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" 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="instant" 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="RestOfWorldMember" id="laz_RestOfWorldMember" type="nonnum:domainItemType" abstract="true" 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="RestrictedStockUnitsExchangedForSharesOfRestrictedClassOfCommonStockGrantDateFairValue" id="laz_RestrictedStockUnitsExchangedForSharesOfRestrictedClassOfCommonStockGrantDateFairValue" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="RsuModifiedThroughForwardPurchaseAgreementsIntoLiabilityAward" id="laz_RsuModifiedThroughForwardPurchaseAgreementsIntoLiabilityAward" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RsusExchangedForSharesOfRestrictedClassCommonStock" id="laz_RsusExchangedForSharesOfRestrictedClassCommonStock" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SaleOrDispositionOfPrivateEquityInvestments" id="laz_SaleOrDispositionOfPrivateEquityInvestments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" 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="ScheduleOfAdditionalInformationRelatingToUnrecognizedTaxBenefitsTableTextBlock" id="laz_ScheduleOfAdditionalInformationRelatingToUnrecognizedTaxBenefitsTableTextBlock" 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="ScheduleOfFinancialInstrumentsNotMeasuredAtFairValueTableTextBlock" id="laz_ScheduleOfFinancialInstrumentsNotMeasuredAtFairValueTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesAndCapitalLeasesTableTextBlock" id="laz_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesAndCapitalLeasesTableTextBlock" 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="ScheduleOfNoncontrollingInterestsDuringAndAsOfEndOfReportingPeriods" id="laz_ScheduleOfNoncontrollingInterestsDuringAndAsOfEndOfReportingPeriods" 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="SecuritiesSoldNotYetPurchasedPolicyTextBlock" id="laz_SecuritiesSoldNotYetPurchasedPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorBorrowingsOutstandingMember" id="laz_SeniorBorrowingsOutstandingMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeparationAndRecapitalizationMember" id="laz_SeparationAndRecapitalizationMember" 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="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageGrantDateFairValue" id="laz_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageGrantDateFairValue" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardsVestingDate" id="laz_ShareBasedCompensationArrangementByShareBasedPaymentAwardsVestingDate" type="xbrli:dateItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardsVestingPeriod" id="laz_ShareBasedCompensationArrangementsByShareBasedPaymentAwardsVestingPeriod" type="xbrli:gYearMonthItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareBasedCompensationArrangementVestedConvertedExchangedInPeriod" id="laz_ShareBasedCompensationArrangementVestedConvertedExchangedInPeriod" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" 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="ShareRepurchaseProgramExpirationDate" id="laz_ShareRepurchaseProgramExpirationDate" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShareRepurchaseProgramMember" id="laz_ShareRepurchaseProgramMember" 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="SignificantAccountingPoliciesLineItems" id="laz_SignificantAccountingPoliciesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SignificantAccountingPoliciesTable" id="laz_SignificantAccountingPoliciesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="SoftDollarArrangementsPolicyTextBlock" id="laz_SoftDollarArrangementsPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="StockholdersEquitySubtotalBeforeCommonStockHeldBySubsidiary" id="laz_StockholdersEquitySubtotalBeforeCommonStockHeldBySubsidiary" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" 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="StockIssuedDuringPeriodSharesHeldBySubsidiariesConversionOfConvertibleSecurities" id="laz_StockIssuedDuringPeriodSharesHeldBySubsidiariesConversionOfConvertibleSecurities" 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="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="SupplementalCashFlowInformationLineItems" id="laz_SupplementalCashFlowInformationLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TaxBasisStepUpOnCertainUkAssetsMember" id="laz_TaxBasisStepUpOnCertainUkAssetsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TaxBenefitExpenseAssociatedWithActuaryLossEmployeeBenefitPlans" id="laz_TaxBenefitExpenseAssociatedWithActuaryLossEmployeeBenefitPlans" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TaxBenefitOrExpensesRelatedToDeliveryOfClassaCommonStockInConnectionWithShareBasedIncentiveCompensation" id="laz_TaxBenefitOrExpensesRelatedToDeliveryOfClassaCommonStockInConnectionWithShareBasedIncentiveCompensation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TaxBenefitsOnDefinedBenefitPlan" id="laz_TaxBenefitsOnDefinedBenefitPlan" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TaxChargeBenefitOnPlanAssetsAndBenefitObligation" id="laz_TaxChargeBenefitOnPlanAssetsAndBenefitObligation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TaxExpenseAssociatedWithAdjustmentForItemReclassifiedToEarningsEmployeeBenefitPlans" id="laz_TaxExpenseAssociatedWithAdjustmentForItemReclassifiedToEarningsEmployeeBenefitPlans" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TradeReceivablesMember" id="laz_TradeReceivablesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TwoThirdVestingMember" id="laz_TwoThirdVestingMember" 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="TwoThousandAndFourteenMember" id="laz_TwoThousandAndFourteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UnclaimedFundsOfSubsidiaries" id="laz_UnclaimedFundsOfSubsidiaries" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UnitedKingdomPensionPlansMember" id="laz_UnitedKingdomPensionPlansMember" 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="UnrecognizedTaxBenefitsInterestAndPenalties" id="laz_UnrecognizedTaxBenefitsInterestAndPenalties" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UnrecognizedTaxBenefitsReversalOfInterestAndPenalties" id="laz_UnrecognizedTaxBenefitsReversalOfInterestAndPenalties" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ValuationAllowancesAndReservesCreditedToCostAndExpense" id="laz_ValuationAllowancesAndReservesCreditedToCostAndExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" 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="WeightedAverageInterestRateOfCapitalLeaseObligations" id="laz_WeightedAverageInterestRateOfCapitalLeaseObligations" type="num:percentItemType" abstract="false" 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"/>
  <element name="WithheldSharesToSatisfyEmployeeTaxObligation" id="laz_WithheldSharesToSatisfyEmployeeTaxObligation" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="WriteOffOfAcquiredOptionCapitalizedCost" id="laz_WriteOffOfAcquiredOptionCapitalizedCost" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
</schema>
