<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000027825
<NAME> DELAWARE GROUP INCOME FUNDS
<SERIES>
<NUMBER> 021
<NAME> DELAWARE STRATEGIC INCOME FUND CLASS A
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> JUL-31-2000
<PERIOD-END> JUL-31-2000
<INVESTMENTS-AT-COST> 36,099,843
<INVESTMENTS-AT-VALUE> 32,994,308
<RECEIVABLES> 1,063,505
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 34,057,813
<PAYABLE-FOR-SECURITIES> 1,895,914
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 294,213
<TOTAL-LIABILITIES> 2,190,127
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 43,183,761
<SHARES-COMMON-STOCK> 2,833,975
<SHARES-COMMON-PRIOR> 3,857,545
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (407,843)
<ACCUMULATED-NET-GAINS> (7,789,920)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (3,118,312)
<NET-ASSETS> 12,238,558
<DIVIDEND-INCOME> 447,303
<INTEREST-INCOME> 3,555,943
<OTHER-INCOME> 0
<EXPENSES-NET> 553,949
<NET-INVESTMENT-INCOME> 3,449,297
<REALIZED-GAINS-CURRENT> (4,894,374)
<APPREC-INCREASE-CURRENT> 57,987
<NET-CHANGE-FROM-OPS> (1,387,090)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 1,191,011
<DISTRIBUTIONS-OF-GAINS> 165,181
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2,831,086
<NUMBER-OF-SHARES-REDEEMED> 8,460,925
<SHARES-REINVESTED> 933,011
<NET-CHANGE-IN-ASSETS> (17,105,602)
<ACCUMULATED-NII-PRIOR> 56,634
<ACCUMULATED-GAINS-PRIOR> (3,435,897)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 254,595
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 846,542
<AVERAGE-NET-ASSETS> 15,141,489
<PER-SHARE-NAV-BEGIN> 4.860
<PER-SHARE-NII> 0.413
<PER-SHARE-GAIN-APPREC> (0.540)
<PER-SHARE-DIVIDEND> 0.356
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.057
<PER-SHARE-NAV-END> 4.320
<EXPENSE-RATIO> 1.000
</TABLE>
