<TABLE> <S> <C>
<ARTICLE> 6
<RESTATED>
<CIK> 0000106444
<NAME> VANGUARD FIXED INCOME SECURITIES FUNDS
<SERIES>
<NUMBER> 01
<NAME> VANGUARD LONG-TERM CORPORATE FUND
<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> 3953311
<INVESTMENTS-AT-VALUE> 3728296
<RECEIVABLES> 63616
<ASSETS-OTHER> 683
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 3792595
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 196867
<TOTAL-LIABILITIES> 196867
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 3835984
<SHARES-COMMON-STOCK> 441964
<SHARES-COMMON-PRIOR> 455572
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (15241)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (225015)
<NET-ASSETS> 3595728
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 131492
<OTHER-INCOME> 92
<EXPENSES-NET> 5569
<NET-INVESTMENT-INCOME> 126015
<REALIZED-GAINS-CURRENT> (9451)
<APPREC-INCREASE-CURRENT> 34069
<NET-CHANGE-FROM-OPS> 150633
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 126015
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 30144
<NUMBER-OF-SHARES-REDEEMED> 56679
<SHARES-REINVESTED> 12927
<NET-CHANGE-IN-ASSETS> (85737)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (5790)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 493
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5569
<AVERAGE-NET-ASSETS> 3583506
<PER-SHARE-NAV-BEGIN> 8.08
<PER-SHARE-NII> .285
<PER-SHARE-GAIN-APPREC> .060
<PER-SHARE-DIVIDEND> .285
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 8.14
<EXPENSE-RATIO> 0.31
</TABLE>
