How many employees work at Fermilab?
Fermi National Accelerator Laboratory has approximately 2,943 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Fermilab’s total headcount has declined 6.6% from 3,150 employees in 2023 to 2,943 in 2026.
Is Fermilab hiring right now?
Yes, Fermilab is actively hiring. Fermilab had 140 active job postings in 2026, a 27.6% increase from 2025 — see job openings & hiring trends.
About Fermilab’s Workforce
Fermi National Accelerator Laboratory is a Research and Development company that employs 2,943 people worldwide as of March 2026. It is the 6th-largest by headcount among its peers. Founded in 1967, the company is headquartered in Batavia, Illinois.
Fermilab's workforce has declined 6.6% from 2023 to 2026, down 1.0% year over year in 2026. It fell to a low of 2,942 in 2025 Q4 before recovering. Its workforce is concentrated most in North America (97.0%), followed by Sub-Saharan Africa (0.5%) and Western Europe (0.5%).
Fermilab's functional groups are Finance and Operations (49.4%), Engineering (29.7%), and Sales and Marketing (20.9%). The average salary is $101,996, ranging from a median of $101,000 in North America to $5,000 in Sub-Saharan Africa.
Fermilab's active job postings rose 27.6% in 2026 to 140, with new postings per month cooling from 114 in 2023 to 65 in 2026. Overall employee sentiment is neutral but improving.
Sourced from Revelio Labs workforce data.
- Headquarters
- Batavia, Illinois
- Founded
- 1967
- Industry
- Research and Development
- Employees
- 2,943
- YoY
- -1.0% (-35)
As of March 2026
Fermilab workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Fermilab. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsFermilab Annual Employee Count (2023-2026)
- Fermilab had 2,943 employees in 2026, a 1.0% decline (-35) from 2025.
- Fermilab had 2,942 employees in 2025, a 1.3% decline (-61) from 2024.
- Fermilab had 3,003 employees in 2024, a 1.8% decline (-77) from 2023.
- Fermilab had 3,080 employees in 2023, a 0.6% increase (+243) from 2022.
Fermilab's total workforce has grown from 2,942 employees in 2025 to 2,943 in 2026. Fermilab's headcount peaked at 3,201 in 2024 before declining in 2025 and recovering through 2026.
Fermi National Accelerator Laboratory quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 2,943 | -35 | -1.0% |
| 2025 | Q4 | 2,942 | -61 | -1.3% |
| 2025 | Q3 | 2,955 | -123 | -2.5% |
| 2025 | Q2 | 3,060 | -141 | -2.5% |
| 2025 | Q1 | 2,978 | -125 | -2.4% |
| 2024 | Q4 | 3,003 | -77 | -1.8% |
| 2024 | Q3 | 3,078 | +13 | -0.6% |
| 2024 | Q2 | 3,201 | +51 | -1.6% |
| 2024 | Q1 | 3,103 | +242 | +0.6% |
| 2023 | Q4 | 3,080 | +243 | +0.6% |
| 2023 | Q3 | 3,065 | +257 | +0.6% |
| 2023 | Q2 | 3,150 | +286 | +2.0% |
See Fermilab's complete headcount history, including quarterly breakdowns.
Get the DataFermilab Employee Count by Region (2026)
North America accounts for the largest share of Fermilab's global workforce with approximately 97% of total employees, followed by Sub-Saharan Africa and Western Europe.
Fermilab employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 2,818 | 97.0% |
| Sub-Saharan Africa | 15 | 0.5% |
| Western Europe | 14 | 0.5% |
| Southern Europe | 14 | 0.5% |
| South America | 10 | 0.3% |
| Central America and the Caribbean | 9 | 0.3% |
| East Asia | 6 | 0.2% |
| South Asia | 6 | 0.2% |
| Northern Europe | 6 | 0.2% |
| Central and Western Asia | 5 | 0.2% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataFermilab Employee Count by Department (2026)
Fermilab's employee groups are Finance and Operations (49.4%), Engineering (29.7%), and Sales and Marketing (20.9%).
Fermilab employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 1,421 | 49.4% |
| Engineering | 856 | 29.7% |
| Sales and Marketing | 600 | 20.9% |
Compare Fermilab's department mix to industry peers.
See Full DataFermilab Employee Salary by Region (2026)
Fermilab's average employee salary is $101,996 globally. Employees in North America receive the highest compensation. Pay is lowest in Sub-Saharan Africa, at a median of $5,000.
Fermilab median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $101,000 |
| Western Europe | $76,000 |
| Northern Europe | $68,000 |
| Southern Europe | $48,000 |
| East Asia | $27,000 |
| Central and Western Asia | $19,000 |
| South America | $17,000 |
| Central America and the Caribbean | $10,000 |
| South Asia | $7,000 |
| Sub-Saharan Africa | $5,000 |
Unlock salary by role, level, and city — and compare to Fermilab's industry peers.
Unlock Salary DataFermilab Job Openings and Hiring Trends (2023-2026)
- Fermilab had 140 active job postings in 2026, a 27.6% increase (+42) from 2025.
- Fermilab had 98 active job postings in 2025, a 48.1% increase (+38) from 2024.
- Fermilab had 60 active job postings in 2024, a 99.6% decline (-119) from 2023.
- Fermilab had 179 active job postings in 2023, a 21.7% increase from 2022.
- Hiring velocity in 2026: 65 new roles/month, up from 47 in 2025 and 54 in 2024.
Fermilab's active job postings rose 27.6% in 2026 to 140, with new postings per month cooling from 114 in 2023 to 65 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataFermilab Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Fermilab's workforce based on public professional data. Overall sentiment is neutral and has improved year over year in 2026.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Unlock SentimentSimilar Companies
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Frequently Asked Questions About Fermilab
- How fast is Fermilab growing?
- In 2026, Fermilab's headcount shrank 1.0% to 2,943 employees, down from 2,978 in 2025.
- See the full headcount history
- Where are Fermilab employees located?
- Most Fermilab employees are based in North America (97.0% of headcount), followed by Sub-Saharan Africa and Western Europe.
- Explore where the workforce is based
- What is the average salary at Fermilab?
- The average employee salary at Fermilab is approximately $102k per year.
- Analyze the salary distribution
- How many new job postings does Fermilab open per year?
- In Q1 2026, Fermilab opened 194 new job postings. In 2025, Fermilab opened 568 new job postings — about 47 per month.
- Track hiring trends by role
- When was Fermilab founded and where is it headquartered?
- Fermilab was founded in 1967 and is headquartered in Batavia, Illinois.
- Compare Fermilab to industry peers
Speak with a workforce expert about Fermilab.
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