How many employees work at CERN?

European Organization for Nuclear Research has approximately 4,728 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. CERN's total headcount has grown 6.8% from 4,428 employees in 2023 to 4,728 in 2026.

Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published July 2026

CERN is hiring

Is CERN hiring right now?

Yes, CERN is actively hiring. CERN had 134 active job postings in 2026, a 27.7% decline from 2025 see job openings & hiring trends.

About CERN's Workforce

European Organization for Nuclear Research is a Research and Development company that employs 4,728 people worldwide as of March 2026. It is the 7th-largest by headcount among its peers. Founded in 1954, the company is headquartered in Geneve, Switzerland.

CERN's workforce has grown 6.8% from 2023 to 2026, though it is down 1.1% year over year in 2026. It fell to a low of 4,195 in 2023 Q4 before recovering. Its workforce is concentrated most in Switzerland (84.3%), followed by France (6.0%) and the United States (1.5%), with France, its fastest-growing location, up 1.6%.

CERN's largest functional groups are Finance and Operations (46.6%), Sales and Marketing (28.4%), and Engineering (25.0%). Median employee tenure is 5.4 years. The average salary is $91,510, ranging from a median of $89,000 in Western Europe to $7,000 in Southern Asia.

CERN's active job postings fell 27.7% in 2026 to 134, with new postings per month climbing from 54 in 2023 to 116 in 2026. Overall employee sentiment is positive and improving.

Sourced from Revelio Labs workforce data.

As of March 2026

CERN
workforce metrics

Headcount

4.7k

1.1% YoY

Avg. Salary

$91.5k

1.5% YoY

Tenure

5.4yr

0.8yr YoY

Growth Rate

-1.1%

1.1pts YoY

Hiring Rate

Attrition Rate

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Interactive chart of CERN annual worldwide employee count from 2023 to 2026.
  • CERN had 4,728 employees in 2026, a 1.1% decline (+343) from 2025.
  • CERN had 4,576 employees in 2025, a 2.1% decline (+280) from 2024.
  • CERN had 4,296 employees in 2024, a 2.0% decline (+101) from 2023.
  • CERN had 4,195 employees in 2023, a 1.3% decline (+28) from 2022.

CERN's total workforce has grown from 4,428 employees in 2023 to 4,728 in 2026.

European Organization for Nuclear Research — quarterly employee count (20232026)

YearQtrEmployeesYoY ChangeYoY %
2026Q14,728+343-1.1%
2025Q44,576+280-2.1%
2025Q34,509+201-2.1%
2025Q24,775+235-0.4%
2025Q14,385+82-2.2%
2024Q44,296+101-2.0%
2024Q34,308+104-1.7%
2024Q24,540+112-1.6%
2024Q14,303+85-1.6%
2023Q44,195+28-1.3%
2023Q34,204+1-1.8%
2023Q24,428+35-0.9%

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Switzerland accounts for the largest share of CERN's global workforce with approximately 84% of total employees, followed by France and the United States. CERN's headcount in France is growing fastest among its major locations, up 1.6% year over year in 2026.

CERN employees by country — 2026

CountryEmployees% of TotalYoY %
Switzerland3,94184.3%-0.2%
France2796.0%+1.6%
United States691.5%-13.8%
Italy400.9%-11.7%
United Kingdom400.8%+1.6%
India350.8%+0.2%
Germany340.7%-10.4%
Turkey240.5%+0.5%
Poland220.5%+0.7%
Spain150.3%-3.2%

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CERN's largest employee groups are Finance and Operations (46.6%), Sales and Marketing (28.4%), and Engineering (25.0%).

CERN employees by department — 2026

DepartmentEmployees% of TotalYoY %
Finance and Operations2,18746.6%-0.4%
Sales and Marketing1,33228.4%-2.0%
Engineering1,17225.0%+0.2%

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CERN's average employee salary is $91,510 globally. Employees in Western Europe receive the highest compensation. Pay is lowest in Southern Asia, at a median of $7,000.

CERN median employee salary by region — 2026 (USD)

RegionMedian Salary
Western Europe$89,000
Northern America$78,000
Northern Europe$57,000
Eastern Asia$46,000
Pacific Islands$43,000
Arab States$39,000
Southern Europe$38,000
Eastern Europe$36,000
Central America and the Caribbean$24,000
Central and Western Asia$21,000
Sub-Saharan Africa$19,000
South-Eastern Asia$12,000
Southern America$12,000
Northern Africa$11,000
Southern Asia$7,000

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Interactive chart of CERN annual active job postings from 2023 to 2026.
  • CERN had 134 active job postings in 2026, a 27.7% decline (-19) from 2025.
  • CERN had 153 active job postings in 2025, a 61.9% decline (-137) from 2024.
  • CERN had 290 active job postings in 2024, a 67.3% increase (+146) from 2023.
  • CERN had 144 active job postings in 2023, a 109.7% increase from 2022.
  • Hiring velocity in 2026: 116 new roles/month, down from 137 in 2025 and 110 in 2024. New metric

CERN's active job postings fell 27.7% in 2026 to 134, with new postings per month climbing from 54 in 2023 to 116 in 2026.

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Revelio Labs tracks employee sentiment across CERN's workforce based on public professional data. Overall sentiment is positive and has improved year over year in 2026.

Overall

NegativePositive

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How fast is CERN growing?
In 2026, CERN's headcount shrank 1.1% to 4,728 employees, up from 4,385 in 2025.
Where are CERN employees located?
Most CERN employees are based in Switzerland (84.3% of headcount), followed by France and the United States.
What is the average salary at CERN?
The average employee salary at CERN is approximately $91.5k per year.
How many people does CERN hire per year?
In 2026, CERN opened roughly 1,392 new roles — about 116 per month.
When was CERN founded and where is it headquartered?
CERN was founded in 1954 and is headquartered in Geneve, Switzerland.

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