Latest headcount
7,500
YoY change
-1.4%
Headcount CAGR
+11.5%
Revenue / employee
$1.31M
Employee count history for Biogen
| Fiscal year | Employees |
|---|---|
| 2000 | 493 |
| 2001 | 692 |
| 2002 | 995 |
| 2003 | 3,727 |
| 2004 | 4,266 |
| 2005 | 3,340 |
| 2006 | 3,750 |
| 2007 | 4,300 |
| 2008 | 4,700 |
| 2009 | 4,750 |
| 2010 | 4,850 |
| 2011 | 5,000 |
| 2012 | 5,950 |
| 2013 | 6,850 |
| 2014 | 7,550 |
| 2015 | 7,350 |
| 2016 | 7,400 |
| 2017 | 7,300 |
| 2018 | 7,800 |
| 2019 | 7,400 |
| 2020 | 9,100 |
| 2021 | 9,610 |
| 2022 | 8,725 |
| 2023 | 7,570 |
| 2024 | 7,605 |
| 2025 | 7,500 |
Revenue per employee for Biogen
Annual revenue divided by reported headcount, normalized to US dollars.
| Fiscal year | Revenue per employee (USD) |
|---|---|
| 2000 | $1.88M |
| 2001 | $1.51M |
| 2002 | $406K |
| 2003 | $49.9K |
| 2004 | $374K |
| 2005 | $513K |
| 2006 | $715K |
| 2007 | $738K |
| 2008 | $872K |
| 2009 | $922K |
| 2010 | $972K |
| 2011 | $1.01M |
| 2012 | $927K |
| 2013 | $1.01M |
| 2014 | $1.29M |
| 2015 | $1.46M |
| 2016 | $1.55M |
| 2017 | $1.68M |
| 2018 | $1.72M |
| 2019 | $1.94M |
| 2020 | $1.48M |
| 2021 | $1.14M |
| 2022 | $1.17M |
| 2023 | $1.3M |
| 2024 | $1.27M |
| 2025 | $1.31M |
Earnings per employee for Biogen
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) |
|---|---|
| 2000 | $677K |
| 2001 | $394K |
| 2002 | $149K |
| 2003 | -$235K |
| 2004 | $5.88K |
| 2005 | $48.1K |
| 2006 | $58K |
| 2007 | $148K |
| 2008 | $167K |
| 2009 | $204K |
| 2010 | $207K |
| 2011 | $247K |
| 2012 | $232K |
| 2013 | $272K |
| 2014 | $389K |
| 2015 | $483K |
| 2016 | $500K |
| 2017 | $348K |
| 2018 | $568K |
| 2019 | $796K |
| 2020 | $440K |
| 2021 | $162K |
| 2022 | $349K |
| 2023 | $153K |
| 2024 | $215K |
| 2025 | $172K |
Employee count history for Biogen (BIIB)
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.
- 20257,500-1.4%
- 20247,605+0.5%
- 20237,570-13.2%
- 20228,725-9.2%
- 20219,610+5.6%
- 20209,100+23.0%
- 20197,400-5.1%
- 20187,800+6.8%
- 20177,300-1.4%
- 20167,400+0.7%
- 20157,350-2.6%
- 20147,550+10.2%
- 20136,850+15.1%
- 20125,950+19.0%
- 20115,000+3.1%
- 20104,850+2.1%
- 20094,750+1.1%
- 20084,700+9.3%
- 20074,300+14.7%
- 20063,750+12.3%
- 20053,340-21.7%
- 20044,266+14.5%
- 20033,727+274.6%
- 2002995+43.8%
- 2001692+40.4%
- 2000493—
About Biogen's employee count
Biogen (BIIB) employed 7,500 people in fiscal year 2025, based on its most recent annual report. That headcount shrank by -105 (-1.4%) from 7,605 a year earlier.
Across the 2000–2025 period, the company's reported workforce went from 493 to 7,500 employees — a compound annual growth rate (CAGR) of +11.5% per year.
Biogen generated about $1.31M of revenue and $172K 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.
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