Ranking by Regions
United States
Canada
Mexico
Brazil
Chile
Germany
United Kingdom
France
Spain
Netherlands
Sweden
Italy
Switzerland
Poland
Finland
China
Japan
South Korea
Hong Kong
Singapore
Indonesia
India
Malaysia
Taiwan
Thailand
Australia
New Zealand
Israel
Saudi Arabia
Turkey
Russia
South AfricaRanking by categories
As of April 16, 2025, Aon (AON) has a market cap of $81.89 billion USD. According to our data, Aon is ranked No.215 in global market value.
| Year | Market Cap | %Change |
|---|---|---|
| Apr 16, 2025 | $81.89 B |
5.43%
|
| Dec 31, 2024 | $77.67 B |
24.45%
|
| Dec 29, 2023 | $62.41 B |
-2.31%
|
| Dec 30, 2022 | $63.89 B |
0.61%
|
| Dec 31, 2021 | $63.50 B |
43.39%
|
| Dec 31, 2020 | $44.28 B |
2.37%
|
| Dec 31, 2019 | $43.26 B |
44.68%
|
| Dec 31, 2018 | $29.90 B |
9.94%
|
| Dec 29, 2017 | $27.20 B |
21.49%
|
| Dec 30, 2016 | $22.39 B |
22.50%
|
| Dec 31, 2015 | $18.27 B |
-1.60%
|
| Dec 31, 2014 | $18.57 B |
14.30%
|
| Dec 31, 2013 | $16.25 B |
52.45%
|
| Dec 31, 2012 | $10.66 B |
20.30%
|
| Dec 30, 2011 | $8.86 B |
2.95%
|
| Dec 31, 2010 | $8.61 B |
21.83%
|
| Dec 31, 2009 | $7.06 B |
-14.80%
|
| Dec 31, 2008 | $8.29 B |
-2.87%
|
| Dec 31, 2007 | $8.53 B |
36.99%
|
| Dec 29, 2006 | $6.23 B |
-0.06%
|
| Dec 30, 2005 | $6.23 B |
54.35%
|
| Dec 31, 2004 | $4.04 B |
2.14%
|
| Dec 31, 2003 | $3.95 B |
30.36%
|
| Dec 31, 2002 | $3.03 B |
-45.13%
|
| Dec 31, 2001 | $5.53 B |
6.33%
|
| Dec 29, 2000 | $5.20 B |
-11.99%
|
| Dec 31, 1999 | $5.91 B |
10.71%
|
| Dec 31, 1998 | $5.34 B |
-3.85%
|
| Dec 31, 1997 | $5.55 B |
44.56%
|
| Dec 31, 1996 | $3.84 B |
27.96%
|
| Dec 29, 1995 | $3.00 B |
61.56%
|
| Dec 30, 1994 | $1.86 B |
3.19%
|
| Dec 31, 1993 | $1.80 B |
-7.35%
|
| Dec 31, 1992 | $1.94 B |
41.40%
|
| Dec 31, 1991 | $1.37 B |
19.11%
|
| Dec 31, 1990 | $1.15 B |
-14.13%
|
| Dec 29, 1989 | $1.34 B |
57.40%
|
| Dec 30, 1988 | $0.85 B |
28.66%
|
| Dec 31, 1987 | $0.66 B |
-13.37%
|
| Dec 31, 1986 | $0.77 B |
2.05%
|
| Dec 31, 1985 | $0.75 B |
35.74%
|
| Dec 31, 1984 | $0.55 B |
-0.48%
|
| Dec 30, 1983 | $0.56 B |
55.08%
|
| Dec 31, 1982 | $0.36 B |
15.10%
|
| Dec 31, 1981 | $0.31 B |
36.17%
|
| Dec 31, 1980 | $0.23 B |
100%
|
| Name | Market Cap | Market cap difference | Regions |
|---|---|---|---|
 Marsh & McLennan Companies
MMC
|
$114.53 B |
-0.000 M
|
USA
|
 Willis Towers Watson
WTW
|
$32.51 B |
0.000 M
|
UK
|
 Arthur J. Gallagher & Co.
AJG
|
$85.81 B |
-0.003 M
|
USA
|
 Brown & Brown
BRO
|
$34.26 B |
-0.001 M
|
USA
|
 The Hartford
HIG
|
$33.44 B |
0.001 M
|
USA
|
 Chubb
CB
|
$114.12 B |
0.003 M
|
Switzerland
|
 Autoliv
ALV
|
$6.36 B |
0.000 M
|
Sweden
|
 American International Group
AIG
|
$47.84 B |
-0.000 M
|
USA
|
 Prudential Financial
PRU
|
$35.52 B |
-0.001 M
|
USA
|
 MetLife
MET
|
$49.53 B |
-0.001 M
|
USA
|
 CNA Financial
CNA
|
$13.05 B |
0.000 M
|
USA
|
| Market Cap | = | AON Stock Price | * | AON Shares Outstanding |
| = | $379.11 | * | 0.22 B | |
| = | $81.89 B |