<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM SPSS INC.
AND SUBSIDIARIES CONSOLIDATED BALANCE SHEET AT JUNE 30, 1999 AND CONSOLIDATED
STATEMENT OF INCOME FOR THE THREE AND SIX MONTHS ENDED JUNE 30, 1999 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED>
<S> <C> <C>
<PERIOD-TYPE> 3-MOS YEAR
<FISCAL-YEAR-END> DEC-31-1999 DEC-31-1999
<PERIOD-END> JUN-30-1999 JUN-30-1999
<CASH> 0 $14,082
<SECURITIES> 0 0
<RECEIVABLES> 0 36,053
<ALLOWANCES> 0 1,823
<INVENTORY> 0 2,660
<CURRENT-ASSETS> 0 55,724
<PP&E> 0 41,387
<DEPRECIATION> 0 24,571
<TOTAL-ASSETS> 0 92,899
<CURRENT-LIABILITIES> 0 39,280
<BONDS> 0 1,105
0 0
0 0
<COMMON> 0 96
<OTHER-SE> 0 49,778
<TOTAL-LIABILITY-AND-EQUITY> 0 92,899
<SALES> 33,646 66,643
<TOTAL-REVENUES> 33,646 66,643
<CGS> 3,126 5,809
<TOTAL-COSTS> 3,126 5,809
<OTHER-EXPENSES> 25,557 50,585
<LOSS-PROVISION> 313 554
<INTEREST-EXPENSE> 180 332
<INCOME-PRETAX> 4,673 9,779
<INCOME-TAX> 1,774 3,540
<INCOME-CONTINUING> 2,899 6,239
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> 2,899 6,239
<EPS-BASIC> 0.30 0.69
<EPS-DILUTED> 0.29 0.65
</TABLE>