<TABLE> <S> <C>
<ARTICLE> 6
<RESTATED>
<CIK> 0000106444
<NAME> VANGUARD FIXED INCOME SECURITIES FUNDS
<SERIES>
<NUMBER> 042
<NAME> VANGUARD SHORT-TERM CORPORATE FUND-INSTITUTIONAL SHARES
<MULTIPLIER> 1,000
<CURRENCY> US
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JAN-31-2001
<PERIOD-START> FEB-01-2000
<PERIOD-END> JUL-31-2000
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 7395480
<INVESTMENTS-AT-VALUE> 7286021
<RECEIVABLES> 157411
<ASSETS-OTHER> 6493
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 7449925
<PAYABLE-FOR-SECURITIES> 39989
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 60150
<TOTAL-LIABILITIES> 100139
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 7539557
<SHARES-COMMON-STOCK> 38664
<SHARES-COMMON-PRIOR> 41338
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (75771)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (114000)
<NET-ASSETS> 405592
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 248509
<OTHER-INCOME> 74
<EXPENSES-NET> 7680
<NET-INVESTMENT-INCOME> 240903
<REALIZED-GAINS-CURRENT> (38300)
<APPREC-INCREASE-CURRENT> 36806
<NET-CHANGE-FROM-OPS> 239409
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 14324
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 3419
<NUMBER-OF-SHARES-REDEEMED> 7387
<SHARES-REINVESTED> 1294
<NET-CHANGE-IN-ASSETS> 184760
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (37471)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 436
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 7693
<AVERAGE-NET-ASSETS> 419048
<PER-SHARE-NAV-BEGIN> 10.49
<PER-SHARE-NII> .355
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> .355
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.49
<EXPENSE-RATIO> 0.13
</TABLE>
