<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000778108
<NAME> DELAWARE GROUP EQUITY FUNDS IV
<SERIES>
<NUMBER> 024
<NAME> DELAWARE DIVERSIFIED GROWTH FUND INSTITUTIONAL CLASS
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-END> SEP-30-2000
<INVESTMENTS-AT-COST> 12,936,612
<INVESTMENTS-AT-VALUE> 14,633,031
<RECEIVABLES> 144,572
<ASSETS-OTHER> 2,289
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 14,779,892
<PAYABLE-FOR-SECURITIES> 139,927
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 24,545
<TOTAL-LIABILITIES> 164,472
<SENIOR-EQUITY> 11,542,406
<PAID-IN-CAPITAL-COMMON> 0
<SHARES-COMMON-STOCK> 1,179,984
<SHARES-COMMON-PRIOR> 1,056,782
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1,378,594
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 14,567,957
<NET-ASSETS> 47,463
<DIVIDEND-INCOME> 63,528
<INTEREST-INCOME> 1,675
<OTHER-INCOME> 0
<EXPENSES-NET> 99,684
<NET-INVESTMENT-INCOME> (34,481)
<REALIZED-GAINS-CURRENT> 1,440,111
<APPREC-INCREASE-CURRENT> 1,382,384
<NET-CHANGE-FROM-OPS> 2,788,014
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 12,681
<DISTRIBUTIONS-OF-GAINS> 475,552
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 267,920
<NUMBER-OF-SHARES-REDEEMED> 186,235
<SHARES-REINVESTED> 41,517
<NET-CHANGE-IN-ASSETS> 3,719,428
<ACCUMULATED-NII-PRIOR> 12,399
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 82,589
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 28,425
<AVERAGE-NET-ASSETS> 13,253,449
<PER-SHARE-NAV-BEGIN> 10.300
<PER-SHARE-NII> (0.032)
<PER-SHARE-GAIN-APPREC> 2.554
<PER-SHARE-DIVIDEND> 0.012
<PER-SHARE-DISTRIBUTIONS> 0.450
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 12.350
<EXPENSE-RATIO> 0.750
</TABLE>
