<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.



                                                  
<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
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          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