<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0001072728
<NAME> Strong Life Stage Series, Inc.
<SERIES>
<NUMBER> 1
<NAME> Strong Conservative Portfolio
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> Dec-31-2000
<PERIOD-START> Jan-01-2000
<PERIOD-END> Jun-30-2000
<INVESTMENTS-AT-COST> 13996690
<INVESTMENTS-AT-VALUE> 15064508
<RECEIVABLES> 56312
<ASSETS-OTHER> 409
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 15121229
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 0
<TOTAL-LIABILITIES> 0
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 13880363
<SHARES-COMMON-STOCK> 1300982
<SHARES-COMMON-PRIOR> 1164528
<ACCUMULATED-NII-CURRENT> 18427
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 154621
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1067818
<NET-ASSETS> 15121229
<DIVIDEND-INCOME> 245001
<INTEREST-INCOME> 18824
<OTHER-INCOME> 0
<EXPENSES-NET> (17202)
<NET-INVESTMENT-INCOME> 246623
<REALIZED-GAINS-CURRENT> 174586
<APPREC-INCREASE-CURRENT> 95728
<NET-CHANGE-FROM-OPS> 516937
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (231197)
<DISTRIBUTIONS-OF-GAINS> (55005)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 548444
<NUMBER-OF-SHARES-REDEEMED> (435971)
<SHARES-REINVESTED> 23981
<NET-CHANGE-IN-ASSETS> 1773964
<ACCUMULATED-NII-PRIOR> 3001
<ACCUMULATED-GAINS-PRIOR> 35040
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 0
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 34559
<AVERAGE-NET-ASSETS> 13848469
<PER-SHARE-NAV-BEGIN> 11.46
<PER-SHARE-NII> 0.20
<PER-SHARE-GAIN-APPREC> 0.20
<PER-SHARE-DIVIDEND> (0.19)
<PER-SHARE-DISTRIBUTIONS> (0.05)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 11.62
<EXPENSE-RATIO> 0.2
</TABLE>