How many employees work at CERN?
European Organization for Nuclear Research has 5,682 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 6.7%.
Data source: Revelio Labs Coverage: Global workforce Latest update: December 2025
About CERN
CERN is a truly unique organisation. A genuine collaboration between countries, universities, and scientists, driven not by profit margins, but by a commitment to create and share knowledge. People here are part of immense scientific discoveries, answering some of life’s most complex questions and pushing the boundaries of understanding. Experts from every field come here to share in this ambition and the nature of this collaborative, international community creates a genuine atmosphere of trust. People are free to work creatively and to trust in, and rely on, their colleagues across the organisation. History’s being made here – and the excitement is tangible, inspiring, and overwhelming at times. It is the only place in the world where you can do this work in this way. --- If you’ve worked at CERN in the past, why not join the official CERN LinkedIn Alumni group, linked from this page.
As of December 2025
CERN
workforce metrics
Headcount
5.7k
Avg. Salary
$89.1k
Tenure
6.3yr
Growth Rate
6.7%
Hiring Rate
Attrition Rate
For even more metrics data,
reach out to our sales team.
Employee Headcount
Interactive chart of CERN annual worldwide employee count from 2023 to 2025.
- CERN total number of employees in 2025 was 5,690, a 6.7% increase from 2024.
- CERN total number of employees in 2024 was 5,323, a 2.4% increase from 2023.
- CERN total number of employees in 2023 was 5,196, a 2.0% increase from 2022.
Would you like to see the latest employee headcount data?
Employee Geographic Breakdown
Would you like to see the latest employee geographic data?
Active Job Postings
Interactive chart of CERN annual active job postings from 2023 to 2025.
- CERN active job postings in 2025 was 152, a 62.4% decline from 2024.
- CERN active job postings in 2024 was 290, a 67.3% increase from 2023.
- CERN active job postings in 2023 was 144, a 108.0% increase from 2022.
Would you like to see the latest active job postings data?
Employee Sentiment
Sentiment Topics
Would you like to see the latest employee sentiment data?