Information on the number of prison officers and associated grades, and other staff within the Prison Service of England and Wales is contained in the following table. The figures include staff working in headquarters.
As at 31 December each year Officer and operational support grades Other staff Total SIP 2004 33,067 18,333 51,400 2005 33,963 18,069 52,032 2006 34,495 18,493 52,988 2007 35,749 19,227 54,976 2008 36,718 20,734 57,452 Notes: 1. Includes prison officers, senior officers, principal officers and operational support grades in public sector Prison Service and prison custody officers and Senior Prison Custody Officers within private establishments. 2. Figures are on a headcount basis.