How many employees work at UKAEA?

UK Atomic Energy Authority has 2,132 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 5.1%.

Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025

About UKAEA

As the UK’s national fusion lab, the UK Atomic Energy Authority’s mission is to lead the commercial development of fusion power and related technology, and position the UK as a leader in sustainable fusion energy. We are meeting the scientific and engineering challenges that come with such a grand ambition. UKAEA is made up of four main facilities: Culham Centre for Fusion Energy (CCFE), Remote Applications in Challenging Environments (RACE), Materials Research Facility (MRF), and - in partnership with STFC - the Oxfordshire Advanced Skills (OAS) apprentice training centre. As part of CCFE, we operate the world’s largest fusion device – the Joint European Torus, or JET – on behalf of the European fusion consortium EUROfusion. Connect with us to hear more about our world-class research and career opportunities and to discuss commercial opportunities.

As of September 2025

UKAEA
workforce metrics

Headcount

2.1k

Avg. Salary

$74.8k

Tenure

3.4yr

Growth Rate

5.1%

Hiring Rate

Attrition Rate

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Employee Headcount

Interactive chart of UKAEA annual worldwide employee count from 2023 to 2025.

  • UKAEA total number of employees in 2025 was 2,171.032, a 5.1% increase from 2024.
  • UKAEA total number of employees in 2024 was 1,955.853, a 3.9% increase from 2023.
  • UKAEA total number of employees in 2023 was 1,869.096, a 10.2% 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 UKAEA annual active job postings from 2023 to 2025.

  • UKAEA active job postings in 2025 was 295, a 77.6% increase from 2024.
  • UKAEA active job postings in 2024 was 285, a 95.9% decline from 2023.
  • UKAEA active job postings in 2023 was 810, a 93.7% increase from 2022.

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Employee Sentiment

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