<ARTICLE>              5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM PFIZER INC.
AND SUBSIDIARY COMPANIES CONSOLIDATED BALANCE SHEET AND CONSOLIDATED STATEMENT 
OF INCOME FOR THE PERIOD ENDED DECEMBER 31, 1998 AND IS QUALIFIED IN ITS 
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK>               0000078003
<NAME>                  Pfizer
<MULTIPLIER>         1,000,000
       
                                                        
<PERIOD-TYPE>                                           12-MOS
<FISCAL-YEAR-END>                                  DEC-31-1998
<PERIOD-END>                                       DEC-31-1998
<CASH>                                                   1,552
<SECURITIES>                                             2,377
<RECEIVABLES>                                            2,981
<ALLOWANCES>                                               (67)
<INVENTORY>                                              1,828
<CURRENT-ASSETS>                                         9,931
<PP&E>                                                   6,844
<DEPRECIATION>                                          (2,429)
<TOTAL-ASSETS>                                          18,302
<CURRENT-LIABILITIES>                                    7,192
<BONDS>                                                    527
<PREFERRED-MANDATORY>                                        0
<PREFERRED>                                                  0
<COMMON>                                                    70
<OTHER-SE>                                              17,085
<TOTAL-LIABILITY-AND-EQUITY>                            18,302
<SALES>                                                 12,677
<TOTAL-REVENUES>                                        13,544
<CGS>                                                    2,094
<TOTAL-COSTS>                                            2,094
<OTHER-EXPENSES>                                         2,279
<LOSS-PROVISION>                                            40
<INTEREST-EXPENSE>                                         136
<INCOME-PRETAX>                                          2,594
<INCOME-TAX>                                               642
<INCOME-CONTINUING>                                      1,950
<DISCONTINUED>                                           1,401
<EXTRAORDINARY>                                              0
<CHANGES>                                                    0
<NET-INCOME>                                             3,351
<EPS-PRIMARY>                                         2.65<F1>
<EPS-DILUTED>                                             2.55
<FN>
<F1>  The  information  reported  above  under  "EPS-PRIMARY"  represents  basic
earnings per share for the year ended December 31, 1998.
</FN>