<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM N-SAR
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FORM N-SAR.
</LEGEND>
<RESTATED>
<CIK> 0000766351
<NAME> ADVANTUS SERIES FUND, INC.
<SERIES>
<NUMBER> 20
<NAME> REAL ESTATE SECURITIES
<MULTIPLIER> 1000
<CURRENCY> US
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 6,398
<INVESTMENTS-AT-VALUE> 6,953
<RECEIVABLES> 236
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 7,189
<PAYABLE-FOR-SECURITIES> 142
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 7
<TOTAL-LIABILITIES> 149
<SENIOR-EQUITY> 82
<PAID-IN-CAPITAL-COMMON> 7,506
<SHARES-COMMON-STOCK> 8,224
<SHARES-COMMON-PRIOR> 7,704
<ACCUMULATED-NII-CURRENT> 142
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (1,245)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 555
<NET-ASSETS> 7,040
<DIVIDEND-INCOME> 164
<INTEREST-INCOME> 7
<OTHER-INCOME> 0
<EXPENSES-NET> 29
<NET-INVESTMENT-INCOME> 142
<REALIZED-GAINS-CURRENT> (271)
<APPREC-INCREASE-CURRENT> 929
<NET-CHANGE-FROM-OPS> 800
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,081
<NUMBER-OF-SHARES-REDEEMED> 561
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 1,214
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (974)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 22
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<GROSS-EXPENSE> 70
<AVERAGE-NET-ASSETS> 6,308
<PER-SHARE-NAV-BEGIN> 0.76
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<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 0.86
<EXPENSE-RATIO> 0.93
</TABLE>
