Latest headcount
11,700
YoY change
+4.9%
Headcount CAGR
+7.2%
Revenue / employee
$590K
Employee count history for Iron Mountain
| Fiscal year | Employees |
|---|---|
| 1996 | 1,553 |
| 1997 | 2,295 |
| 2000 | 10,000 |
| 2001 | 8,700 |
| 2002 | 11,500 |
| 2003 | 13,000 |
| 2004 | 9,500 |
| 2005 | 15,800 |
| 2006 | 18,600 |
| 2007 | 20,000 |
| 2008 | 21,000 |
| 2009 | 20,000 |
| 2010 | 19,000 |
| 2011 | 17,000 |
| 2012 | 17,500 |
| 2013 | 19,500 |
| 2014 | 20,000 |
| 2015 | 20,000 |
| 2016 | 24,000 |
| 2017 | 24,000 |
| 2018 | 26,000 |
| 2019 | 25,000 |
| 2020 | 24,000 |
| 2021 | 25,000 |
| 2022 | 26,000 |
| 2023 | 27,000 |
| 2024 | 11,150 |
| 2025 | 11,700 |
Revenue per employee for Iron Mountain
Annual revenue divided by reported headcount, normalized to US dollars.
| Fiscal year | Revenue per employee (USD) |
|---|---|
| 1996 | $83.5K |
| 1997 | $80K |
| 2000 | $98.6K |
| 2001 | $135K |
| 2002 | $115K |
| 2003 | $115K |
| 2004 | $191K |
| 2005 | $132K |
| 2006 | $126K |
| 2007 | $137K |
| 2008 | $145K |
| 2009 | $151K |
| 2010 | $154K |
| 2011 | $177K |
| 2012 | $172K |
| 2013 | $155K |
| 2014 | $156K |
| 2015 | $150K |
| 2016 | $146K |
| 2017 | $160K |
| 2018 | $163K |
| 2019 | $171K |
| 2020 | $173K |
| 2021 | $180K |
| 2022 | $196K |
| 2023 | $203K |
| 2024 | $552K |
| 2025 | $590K |
Earnings per employee for Iron Mountain
Annual net income divided by reported headcount, normalized to US dollars; years with a net loss dip below zero.
| Fiscal year | Earnings per employee (USD) |
|---|---|
| 1996 | $327.11 |
| 1997 | -$6.62K |
| 2000 | -$2.78K |
| 2001 | -$5.06K |
| 2002 | $5.07K |
| 2003 | $6.51K |
| 2004 | $9.91K |
| 2005 | $7.38K |
| 2006 | $6.93K |
| 2007 | $7.65K |
| 2008 | $3.91K |
| 2009 | $11K |
| 2010 | -$2.84K |
| 2011 | $23.3K |
| 2012 | $9.81K |
| 2013 | $4.99K |
| 2014 | $16.3K |
| 2015 | $6.16K |
| 2016 | $4.37K |
| 2017 | $7.66K |
| 2018 | $14K |
| 2019 | $10.7K |
| 2020 | $14.3K |
| 2021 | $18K |
| 2022 | $21.4K |
| 2023 | $6.82K |
| 2024 | $16.2K |
| 2025 | $12.4K |
Employee count history for Iron Mountain (IRM)
Annual figures come from annual reports (10-K, or 20-F/40-F for foreign filers); interim rows reflect headcount disclosed in periodic filings. Year-over-year change compares each filing with the prior year's equivalent. Revenue and earnings per employee are annual figures normalized to US dollars.
- 202511,700+4.9%
- 202411,150-58.7%
- 202327,000+3.8%
- 202226,000+4.0%
- 202125,000+4.2%
- 202024,000-4.0%
- 201925,000-3.8%
- 201826,000+8.3%
- 201724,0000.0%
- 201624,000+20.0%
- 201520,0000.0%
- 201420,000+2.6%
- 201319,500+11.4%
- 201217,500+2.9%
- 201117,000-10.5%
- 201019,000-5.0%
- 200920,000-4.8%
- 200821,000+5.0%
- 200720,000+7.5%
- 200618,600+17.7%
- 200515,800+66.3%
- 20049,500-26.9%
- 200313,000+13.0%
- 200211,500+32.2%
- 20018,700-13.0%
- 200010,000—
- 19997,400+126.8%
- 19983,263—
- 19972,295+47.8%
- 19961,553—
About Iron Mountain's employee count
Iron Mountain (IRM) employed 11,700 people in fiscal year 2025, based on its most recent annual report. That headcount grew by +550 (+4.9%) from 11,150 a year earlier.
Across the 1996–2025 period, the company's reported workforce went from 1,553 to 11,700 employees — a compound annual growth rate (CAGR) of +7.2% per year.
Iron Mountain generated about $590K of revenue and $12.4K of net income per employee in its latest annual period. Revenue and earnings per employee gauge how efficiently a company turns headcount into output, and are most telling when tracked over time or compared with peers in the same industry.
Frequently asked questions
Test yourself on IRM
Employees — 10 rounds, every one of them IRM against another company. Leave whenever you like.
Practice run — it doesn’t move your skill rating and doesn’t touch the leaderboards. Misses do go into your review queue.
Explore more
Deep-dives across the income statement, cash flow, capital return, and valuation
- Buybacks
- Dividend Profile2.76% yield
- Dividend Calculator
- Dividend Forecast
- Dividend Capture
- Stock Split History6 splits
How this company returns cash to shareholders — buybacks, dividends, and stock splits.