Exhibit 12

PFIZER INC. AND SUBSIDIARY COMPANIES

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

(millions, except ratios)	Year Ended December 31,
	2009		2008		2007		2006		2005
Determination of Earnings:
Income from continuing operations before provision for taxes on income, minority interests and cumulative effect of a change in accounting principles	$	10,827	$	9,694	$	9,278	$	13,028	$	10,800
Less:
Minority interests		9		23		42		12		12
Income adjusted for minority interests		10,818		9,671		9,236		13,016		10,788
Add:
Fixed charges		1,361		647		541		642		622
Total earnings as defined	$	12,179	$	10,318	$	9,777	$	13,658	$	11,410
Fixed charges:
Interest expense (a)	$	1,233	$	516	$	397	$	488	$	471
Preferred stock dividends (b)		7		8		11		14		14
Rents (c)		121		123		133		140		137
Fixed charges		1,361		647		541		642		622
Capitalized interest		34		46		43		29		17
Total fixed charges	$	1,395	$	693	$	584	$	671	$	639
Ratio of earnings to fixed charges		8.7		14.9		16.7		20.4		17.9

^(a) Interest expense includes amortization of debt premium, discount and expenses. Interest expense does not include interest related to uncertain tax positions of $362 million for 2009; $333 million for 2008; $331 million for 2007; $200 million for 2006 and $203 million for 2005.

^(b) Preferred stock dividends are from our Series A convertible perpetual preferred stock held by an Employee Stock Ownership Plan assumed in connection with our acquisition of Pharmacia in 2003.

^(c) Rents included in the computation consist of one-third of rental expense which we believe to be a conservative estimate of an interest factor in our leases, which are not material.