How many employees work at HM Prison Service?
HM Prison Service has 16,452 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -1.0%.
Data source: Revelio Labs Coverage: Global workforce Latest update: December 2025
About HM Prison Service
HM Prison and Probation Service is the executive agency of the Ministry of Justice in charge of prisons and the probation service in England and Wales. Our main purpose is to protect the public by reducing reoffending rates. Our staff, including prison and probation officers, work together to enable the rehabilitation of people sentenced by the courts and help them to turn their lives around. Their often unseen work makes a difference to people’s lives each and every day. So, if you’re ready to step-up to the challenge of preventing victims by changing lives, then a career in HMPPS could be right for you.
As of December 2025
HM Prison Service
workforce metrics
Headcount
16.5k
Avg. Salary
$51k
Tenure
4.9yr
Growth Rate
-1.0%
Hiring Rate
Attrition Rate
For even more metrics data,
reach out to our sales team.
Employee Headcount
Interactive chart of HM Prison Service annual worldwide employee count from 2023 to 2025.
- HM Prison Service total number of employees in 2025 was 16,444, a 1.0% decline from 2024.
- HM Prison Service total number of employees in 2024 was 16,608, a 0.4% decline from 2023.
- HM Prison Service total number of employees in 2023 was 16,673, a 3.0% 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 HM Prison Service annual active job postings from 2023 to 2025.
- HM Prison Service active job postings in 2025 was 694, a 40.6% increase from 2024.
- HM Prison Service active job postings in 2024 was 460, a 77.7% decline from 2023.
- HM Prison Service active job postings in 2023 was 1,045, a 4.5% decline 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?