<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000898031
<NAME> LORD ABBETT SECURITIES TRUST
<SERIES>
<NUMBER> 033
<NAME> WORLD BOND-DEBENTURE SERIES - CLASS C
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> OCT-31-2000
<PERIOD-END> OCT-31-2000
<INVESTMENTS-AT-COST> 11,630,748
<INVESTMENTS-AT-VALUE> 10,824,037
<RECEIVABLES> 400,448
<ASSETS-OTHER> 121,819
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 11,346,304
<PAYABLE-FOR-SECURITIES> 9,616
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 21,545
<TOTAL-LIABILITIES> 31,161
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 13,444,281
<SHARES-COMMON-STOCK> 188,360
<SHARES-COMMON-PRIOR> 157,700
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (66,710)
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (1,316,772)
<ACCUM-APPREC-OR-DEPREC> (745,656)
<NET-ASSETS> 1,593,044
<DIVIDEND-INCOME> 2,954
<INTEREST-INCOME> 1,065,280
<OTHER-INCOME> 0
<EXPENSES-NET> 152,121
<NET-INVESTMENT-INCOME> 916,113
<REALIZED-GAINS-CURRENT> (568,488)
<APPREC-INCREASE-CURRENT> (178,011)
<NET-CHANGE-FROM-OPS> 169,614
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (151,889)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 53,178
<NUMBER-OF-SHARES-REDEEMED> (35,266)
<SHARES-REINVESTED> 12,748
<NET-CHANGE-IN-ASSETS> (396,747)
<ACCUMULATED-NII-PRIOR> 103,543
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (874,286)
<GROSS-ADVISORY-FEES> 87,774
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 273,921
<AVERAGE-NET-ASSETS> 1,611,331
<PER-SHARE-NAV-BEGIN> 9.22
<PER-SHARE-NII> 0.67
<PER-SHARE-GAIN-APPREC> (0.56)
<PER-SHARE-DIVIDEND> (0.87)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 8.46
<EXPENSE-RATIO> 1.76
</TABLE>