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: $291,433
• Profits / Employee: $65,700
• Market Cap: 70.20B

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	-	-

Data Source: Official company filings Last updated: Dec 31, 2025

The employees data for this stock was gathered manually by the Stock Analysis team based on SEC filings and investor relations materials.

Update frequency:

Yearly

Last checked:

Jun 19, 2026

Data Sources Report a data error