<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000918572
<NAME> STATE STREET RESEARCH SECURITIES TRUST
<SERIES>
<NUMBER> 021
<NAME> STATE STREET RESEARCH STRATEGIC INCOME FUND CLASS A
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> APR-30-2000
<PERIOD-END> APR-30-2000
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<PAYABLE-FOR-SECURITIES> 5,991,654
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<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 97,301,201
<SHARES-COMMON-STOCK> 4,515,247
<SHARES-COMMON-PRIOR> 5,262,651
<ACCUMULATED-NII-CURRENT> 119,085
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<OTHER-INCOME> 0
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<REALIZED-GAINS-CURRENT> (3,303,161)
<APPREC-INCREASE-CURRENT> (6,363,477)
<NET-CHANGE-FROM-OPS> (2,858,405)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (2,367,113)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,834,786
<NUMBER-OF-SHARES-REDEEMED> (2,788,366)
<SHARES-REINVESTED> 206,176
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<ACCUMULATED-NII-PRIOR> 140,066
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<PER-SHARE-GAIN-APPREC> (0.62)
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<PER-SHARE-NAV-END> 6.25
<EXPENSE-RATIO> 1.59
</TABLE>
