<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information extracted from the Kemper
U.S. Government Securities Fund Semiannual Report for the six months ended
04/30/2000 and is qualified in its entirety by refernce to such financial
statements.
</LEGEND>
<CIK> 0000202163
<NAME> KEMPER U.S. GOVERNMENT SECURITIES FUND
<SERIES>
<NUMBER> 001
<NAME> KEMPER U.S. GOVERNMENT SECURITIES FUND
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-1999
<PERIOD-START> NOV-01-1999
<PERIOD-END> APR-30-2000
<INVESTMENTS-AT-COST> 2,957,825
<INVESTMENTS-AT-VALUE> 2,902,564
<RECEIVABLES> 313,169
<ASSETS-OTHER> 193
<OTHER-ITEMS-ASSETS> 932
<TOTAL-ASSETS> 3,216,858
<PAYABLE-FOR-SECURITIES> 555,266
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 7,459
<TOTAL-LIABILITIES> 562,725
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 3,368,432
<SHARES-COMMON-STOCK> 304,291
<SHARES-COMMON-PRIOR> 334,889
<ACCUMULATED-NII-CURRENT> 8,065
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (669,800)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (52,564)
<NET-ASSETS> 2,654,133
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 103,276
<OTHER-INCOME> 0
<EXPENSES-NET> 12,455
<NET-INVESTMENT-INCOME> 90,821
<REALIZED-GAINS-CURRENT> (38,000)
<APPREC-INCREASE-CURRENT> (26,844)
<NET-CHANGE-FROM-OPS> 25,977
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (88,695)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 204,123
<NUMBER-OF-SHARES-REDEEMED> (509,625)
<SHARES-REINVESTED> 53,818
<NET-CHANGE-IN-ASSETS> (328,812)
<ACCUMULATED-NII-PRIOR> 10,987
<ACCUMULATED-GAINS-PRIOR> (631,800)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 5,840
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 12,555
<AVERAGE-NET-ASSETS> 2,638,422
<PER-SHARE-NAV-BEGIN> 8.38
<PER-SHARE-NII> 0.27
<PER-SHARE-GAIN-APPREC> (0.18)
<PER-SHARE-DIVIDEND> (0.28)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 8.19
<EXPENSE-RATIO> 0.84
</TABLE>
