WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000355605
<NAME> PRUDENTIAL GOVERNMENT SECURITIES TRUST MONEY MARKET SERIES
<SERIES>
<NUMBER> 001
<NAME> GOVERNMENT SECURITIES TRUST MONEY MARKET SERIES (CLASS A)
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> NOV-30-1999
<PERIOD-END> May-31-2000
<INVESTMENTS-AT-COST> 567,057,336
<INVESTMENTS-AT-VALUE> 567,057,336
<RECEIVABLES> 8,856,868
<ASSETS-OTHER> 154,629
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 576,068,833
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 5,888,284
<TOTAL-LIABILITIES> 5,888,284
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 570,180,549
<SHARES-COMMON-STOCK> 570,180,549
<SHARES-COMMON-PRIOR> 618,414,281
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 570,180,549
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 17,688,264
<OTHER-INCOME> 0
<EXPENSES-NET> 2,672,986
<NET-INVESTMENT-INCOME> 15,015,278
<REALIZED-GAINS-CURRENT> 16,963
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 15,032,241
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (15,032,241)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 649,256,700
<NUMBER-OF-SHARES-REDEEMED> (711,836,618)
<SHARES-REINVESTED> 14,346,186
<NET-CHANGE-IN-ASSETS> (48,233,732)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,193,984
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2,672,986
<AVERAGE-NET-ASSETS> 563,992,000
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.0250
<PER-SHARE-GAIN-APPREC> 0.00
<PER-SHARE-DIVIDEND> (0.025)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.91
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0.00
</TABLE>
