Aon plc (AON)

Aon plc Employees

Aon plc had 60,000 employees as of December 31, 2025. The number of employees did not change compared to the previous year.

• Employees: 60,000
• Change (1Y): n/a
• Growth (1Y): n/a
• Revenue / Employee: $286,350
• Profits / Employee: $61,583
• Market Cap: 68.81B

Employees History

Date	Employees	Change (1Y)	Growth (1Y)
Dec 31, 2025	60,000	0	-
Dec 31, 2024	60,000	10,000	20.00%
Dec 31, 2023	50,000	0	-
Dec 31, 2022	50,000	0	-
Dec 31, 2021	50,000	0	-
Dec 31, 2020	50,000	0	-
Dec 31, 2019	50,000	0	-
Dec 31, 2018	50,000	0	-
Dec 31, 2017	50,000	-19,000	-27.54%
Dec 31, 2016	69,000	0	-
Dec 31, 2015	69,000	0	-
Dec 31, 2014	69,000	3,000	4.55%
Dec 31, 2013	66,000	1,000	1.54%
Dec 31, 2012	65,000	3,000	4.84%
Dec 31, 2011	62,000	3,000	5.08%
Dec 31, 2010	59,000	22,800	62.98%
Dec 31, 2009	36,200	-1,500	-3.98%
Dec 31, 2008	37,700	-4,800	-11.29%
Dec 31, 2007	42,500	-600	-1.39%
Dec 31, 2006	43,100	-3,500	-7.51%
Dec 31, 2005	46,600	-1,400	-2.92%
Dec 31, 2004	48,000	-6,000	-11.11%
Dec 31, 2003	54,000	-1,000	-1.82%
Dec 31, 2002	55,000	2,000	3.77%
Dec 31, 2001	53,000	2,000	3.92%
Dec 31, 2000	51,000	1,000	2.00%
Dec 31, 1999	50,000	6,000	13.64%
Dec 31, 1998	44,000	4,000	10.00%
Dec 31, 1997	40,000	12,000	42.86%
Dec 31, 1996	28,000	1,000	3.70%
Dec 31, 1995	27,000	0	-
Dec 31, 1994	27,000	-	-

Sources: Annual number of employees according to filings submitted to the U.S. Securities and Exchange Commission (SEC). Data is also manually gathered from company press releases, IPO filings, and other official sources.