During 2007, the latest year for which the requested information is available, there were some 7,400 foreign national prisoners released from prison establishments in England and Wales. This includes those who were subsequently deported. Over 4,200 were deported or removed in 2007.
These figures have been drawn from administrative IT systems, which, as with any large scale recording system, are subject to possible errors with data entry and processing so the figure given has been rounded.