<ARTICLE> 5
<LEGEND>
THIS RESTATED SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
PFIZER INC. AND SUBSIDIARY COMPANIES CONDENSED CONSOLIDATED BALANCE SHEET
AND CONDENSED STATEMENT OF INCOME FOR THE PERIOD ENDED JUNE 29, 1997 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS RESTATED
AS DESCRIBED IN FOOTNOTE 1 BELOW.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               JUN-29-1997
<CASH>                                           1,514
<SECURITIES>                                       723
<RECEIVABLES>                                    2,586
<ALLOWANCES>                                      (61)
<INVENTORY>                                      1,664
<CURRENT-ASSETS>                                 7,343
<PP&E>                                           6,203
<DEPRECIATION>                                 (2,260)
<TOTAL-ASSETS>                                  15,732
<CURRENT-LIABILITIES>                            6,422
<BONDS>                                            731
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            69
<OTHER-SE>                                      10,913
<TOTAL-LIABILITY-AND-EQUITY>                    15,732
<SALES>                                          5,856
<TOTAL-REVENUES>                                 5,914
<CGS>                                            1,055
<TOTAL-COSTS>                                    1,055
<OTHER-EXPENSES>                                   874
<LOSS-PROVISION>                                     7
<INTEREST-EXPENSE>                                  74
<INCOME-PRETAX>                                  1,498
<INCOME-TAX>                                       434
<INCOME-CONTINUING>                              1,059
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     1,059
<EPS-PRIMARY>                                      .84<F1>
<EPS-DILUTED>                                      .81<F1>
<FN>
<F1>Restated to reflect in the per share data the adoption in 1997 of 
Statement of Financial Accounting Standards ("SFAS") No. 128 "Earnings
per common share."  Prior period interim financial data schedules for periods
other than the 3 month period ended March 30, 1997 and the 6 month period
ended June 29, 1997 have not been restated to reflect the adoption of 
SFAS No. 128.
</FN>