Total number of prisoners at a specific point in time each year.
- Data is not always available for, or applicable to, every prison; and the list of prisons will vary year on year due to closures and newly opened establishments.
- Prison functions (Male Local etc.) refer to the function of the prison in the most recent year shown. The function of a prison may have been different in previous years.
- A small number of prisons which are listed separately in the above table are physically co-located and cannot be distinguished on the map.
- The markers on the map are indicative only. For further information on a prison, or for details of a prison's location, please consult the Ministry of Justice prison finder.