WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000353101
<NAME> Federated Short-Term Municipal Trust
<SERIES>
<NUMBER> 011
<NAME> Federated Short-Term Municipal Trust - Institutional Shares
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> Jun-30-2000
<PERIOD-END> Jun-30-2000
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<INVESTMENTS-AT-VALUE> 183,985,151
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<TOTAL-LIABILITIES> 499,446
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<SHARES-COMMON-STOCK> 17,145,352
<SHARES-COMMON-PRIOR> 19,834,188
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<REALIZED-GAINS-CURRENT> (691,348)
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<EQUALIZATION> 0
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<NUMBER-OF-SHARES-SOLD> 5,958,081
<NUMBER-OF-SHARES-REDEEMED> (8,987,138)
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<NET-CHANGE-IN-ASSETS> (37,659,970)
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[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0.000
</TABLE>
