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

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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.

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Employee Geographic Breakdown

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Employee Role Breakdown

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Employee Compensation

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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.

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Employee Sentiment

Sentiment Topics

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