<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM SPSS INC.
AND SUBSIDIARIES CONSOLIDATED BALANCE SHEET AT DECEMBER 31, 1998 AND
CONSOLIDATED STATEMENT  OF INCOME FOR THE THREE AND TWELVE MONTHS ENDED DECEMBER
31, 1998 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
       
<S>                             <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1998             DEC-31-1998
<PERIOD-START>                             SEP-30-1998             JAN-01-1998
<PERIOD-END>                               DEC-31-1998             DEC-31-1998
<CASH>                                               0                  14,912
<SECURITIES>                                         0                       0
<RECEIVABLES>                                        0                  35,931
<ALLOWANCES>                                         0                   2,106
<INVENTORY>                                          0                   2,871
<CURRENT-ASSETS>                                     0                  56,098
<PP&E>                                               0                  38,475
<DEPRECIATION>                                       0                  22,783
<TOTAL-ASSETS>                                       0                  91,289
<CURRENT-LIABILITIES>                                0                  43,706
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                             0                      90
<OTHER-SE>                                           0                  43,633
<TOTAL-LIABILITY-AND-EQUITY>                         0                  91,289
<SALES>                                         34,118                 121,387
<TOTAL-REVENUES>                                34,118                 121,387
<CGS>                                            2,523                  10,048
<TOTAL-COSTS>                                    2,523                  10,048
<OTHER-EXPENSES>                                29,361                  94,710
<LOSS-PROVISION>                                   423                     724
<INTEREST-EXPENSE>                                 616                     750
<INCOME-PRETAX>                                  2,144                  16,665
<INCOME-TAX>                                     3,355                   8,335
<INCOME-CONTINUING>                            (1,211)                   8,330
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                   (1,211)                   8,330
<EPS-PRIMARY>                                   (0.13)                    0.93
<EPS-DILUTED>                                   (0.13)                    0.87
        

</TABLE>