<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000911507
<NAME> LORD ABBETT INVESTMENT TRUST
<SERIES>
<NUMBER> 033
<NAME> BALANCED SERIES - CLASS C
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> NOV-30-2000
<PERIOD-END> MAY-31-2000
<INVESTMENTS-AT-COST> 107,418,374
<INVESTMENTS-AT-VALUE> 103,663,961
<RECEIVABLES> 1,053,822
<ASSETS-OTHER> 309,801
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 105,027,584
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 566,041
<TOTAL-LIABILITIES> 566,041
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 108,233,833
<SHARES-COMMON-STOCK> 1,325,545
<SHARES-COMMON-PRIOR> 1,211,384
<ACCUMULATED-NII-CURRENT> 91,647
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (109,524)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (3,754,413)
<NET-ASSETS> 15,403,988
<DIVIDEND-INCOME> 2,769,464
<INTEREST-INCOME> 1,088
<OTHER-INCOME> 0
<EXPENSES-NET> 282,998
<NET-INVESTMENT-INCOME> 2,487,554
<REALIZED-GAINS-CURRENT> (190,038)
<APPREC-INCREASE-CURRENT> 129,338
<NET-CHANGE-FROM-OPS> 2,426,854
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (355,334)
<DISTRIBUTIONS-OF-GAINS> (840,055)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 241,964
<NUMBER-OF-SHARES-REDEEMED> (226,470)
<SHARES-REINVESTED> 98,667
<NET-CHANGE-IN-ASSETS> 4,331,076
<ACCUMULATED-NII-PRIOR> 228,203
<ACCUMULATED-GAINS-PRIOR> 5,596,709
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 389,405
<INTEREST-EXPENSE> 0
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<AVERAGE-NET-ASSETS> 15,764,535
<PER-SHARE-NAV-BEGIN> 12.31
<PER-SHARE-NII> 0.25
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> (0.27)
<PER-SHARE-DISTRIBUTIONS> (0.67)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 11.62
<EXPENSE-RATIO> 0.50
</TABLE>
