Iron Mountain Incorporated (IRM)

Iron Mountain Employees

Iron Mountain had 29,400 employees as of December 31, 2025. The number of employees increased by 550 or 1.91% compared to the previous year.

• Employees: 29,400
• Change (1Y): 550
• Growth (1Y): 1.91%
• Revenue / Employee: $246,441
• Profits / Employee: $9,262
• Market Cap: 37.43B

Employees History

Date	Employees	Change (1Y)	Growth (1Y)
Dec 31, 2025	29,400	550	1.91%
Dec 31, 2024	28,850	1,850	6.85%
Dec 31, 2023	27,000	1,000	3.85%
Dec 31, 2022	26,000	1,000	4.00%
Dec 31, 2021	25,000	1,000	4.17%
Dec 31, 2020	24,000	-1,000	-4.00%
Dec 31, 2019	25,000	-1,000	-3.85%
Dec 31, 2018	26,000	2,000	8.33%
Dec 31, 2017	24,000	0	-
Dec 31, 2016	24,000	4,000	20.00%
Dec 31, 2015	20,000	0	-
Dec 31, 2014	20,000	500	2.56%
Dec 31, 2013	19,500	2,000	11.43%
Dec 31, 2012	17,500	500	2.94%
Dec 31, 2011	17,000	-2,000	-10.53%
Dec 31, 2010	19,000	-1,000	-5.00%
Dec 31, 2009	20,000	-1,000	-4.76%
Dec 31, 2008	21,000	1,000	5.00%
Dec 31, 2007	20,000	1,400	7.53%
Dec 31, 2006	18,600	2,800	17.72%
Dec 31, 2005	15,800	1,300	8.97%
Dec 31, 2004	14,500	1,500	11.54%
Dec 31, 2003	13,000	1,500	13.04%
Dec 31, 2002	11,500	200	1.77%
Dec 31, 2001	11,300	1,000	9.71%
Dec 31, 2000	10,300	1,400	15.73%
Dec 31, 1999	8,900	5,637	172.76%
Dec 31, 1998	3,263	968	42.18%
Dec 31, 1997	2,295	742	47.78%
Dec 31, 1996	1,553	-	-

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.