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Exhibit 12(b)

Aon Corporation and Consolidated Subsidiaries
Combined With Unconsolidated Subsidiaries
Computation of Ratio of Earnings to Combined Fixed Charges
and Preferred Stock Dividends

			Six Months Ended June 30,				Years Ended December 31,
			2002		2001		2001		2000		1999		1998		1997
					(Restated)		(Restated)		(Restated)		(Restated)		(Restated)		(Restated)
			(millions except ratios)
Income before provision for income taxes and minority interest			$	287	$	112	$	309	$	854	$	635	$	931	$	542
Add back fixed charges:
	Interest on indebtedness			59		67		127		140		105		87		70
	Interest credited on investment-type insurance contracts			21		30		56		71		77		72		45
	Interest on ESOP			—		—		—		—		1		2		3
	Portion of rents representative of interest factor			28		27		57		54		49		51		44
		Income as adjusted	$	395	$	236	$	549	$	1,119	$	867	$	1,143	$	704
Fixed charges and preferred stock dividends:
	Interest on indebtedness		$	59	$	67	$	127	$	140	$	105	$	87	$	70
	Preferred stock dividends			35		35		70		70		70		70		82
		Interest and dividends		94		102		197		210		175		157		152
	Interest credited on investment-type insurance contracts			21		30		56		71		77		72		45
	Interest on ESOP			—		—		—		—		1		2		3
	Portion of rents representative of interest factor			28		27		57		54		49		51		44
		Total fixed charges and preferred stock dividends	$	143	$	159	$	310	$	335	$	302	$	282	$	244
Ratio of earnings to combined fixed charges and preferred stock dividends(1)				2.8		1.5		1.8		3.3		2.9		4.1		2.9

(1)

Included in total fixed charges and preferred stock dividends are $33 million for the six months ended June 30, 2002 and 2001, $66 million for the years ended December 31, 2001, 2000, 1999 and 1998, and $64 million for the year ended December 31, 1997, of pretax distributions on the 8.205% mandatorily redeemable preferred capital securities which are classified as "minority interest" on the condensed consolidated statements of income.

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Aon Corporation and Consolidated Subsidiaries Combined With Unconsolidated Subsidiaries Computation of Ratio of Earnings to Combined Fixed Charges and Preferred Stock Dividends