<ARTICLE>                     5
<LEGEND>
THIS RESTATED  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, 1997  RESTATED TO REFLECT
THE JUNE  1999  THREE-FOR-ONE  STOCK  SPLIT IN THE FORM OF A 200  PERCENT  STOCK
DIVIDEND.  THIS  RESTATED  SCHEDULE IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS RESTATED AS DESCRIBED ABOVE.
</LEGEND>
<MULTIPLIER> 1,000,000

                                                        
<PERIOD-TYPE>                                           12-MOS
<FISCAL-YEAR-END>                                  DEC-31-1997
<PERIOD-END>                                       DEC-31-1997
<CASH>                                                     877
<SECURITIES>                                               712
<RECEIVABLES>                                            2,255
<ALLOWANCES>                                               (35)
<INVENTORY>                                              1,461
<CURRENT-ASSETS>                                         7,442
<PP&E>                                                   5,867
<DEPRECIATION>                                          (2,074)
<TOTAL-ASSETS>                                          14,991
<CURRENT-LIABILITIES>                                    4,994
<BONDS>                                                    725
<PREFERRED-MANDATORY>                                        0
<PREFERRED>                                                  0
<COMMON>                                                   207
<OTHER-SE>                                              12,450
<TOTAL-LIABILITY-AND-EQUITY>                            14,991
<SALES>                                                 10,739
<TOTAL-REVENUES>                                        11,055
<CGS>                                                    1,776
<TOTAL-COSTS>                                            1,776
<OTHER-EXPENSES>                                         1,805
<LOSS-PROVISION>                                             5
<INTEREST-EXPENSE>                                         147
<INCOME-PRETAX>                                          2,867
<INCOME-TAX>                                               775
<INCOME-CONTINUING>                                      2,082
<DISCONTINUED>                                             131
<EXTRAORDINARY>                                              0
<CHANGES>                                                    0
<NET-INCOME>                                             2,213
<EPS-BASIC>                                                .59
<EPS-DILUTED>                                              .57
<FN>
<F1> Financial data schedules for periods other than the years ended December
31, 1998 and 1997 and the six-month period ended June 28, 1998 have not been
restated to reflect the three-for-one stock split distributed June 30, 1999.
</FN>