Statistics on the number of convictions under terrorism legislation are available on the Home Office website. Figures are compiled from police records and are not broken down in the format requested.
The number of individuals convicted since 1979 under the Prevention of Terrorism (Temporary Provisions) Acts 1974 and 1976 is available on the Home Office website in "Statistics on the Operation of the Prevention of Terrorism Legislation, Great Britain" at:
This publication details detentions under this Act and outcomes including statistics on individuals found guilty under this and other legislation.
The Terrorism Act 2000 came into force on 19 February 2001. Statistics from 11 September 2001 to 31 March 2007 are available on the Home Office website at:
For this period, there were 41 Terrorism Act convictions and 183 convictions under other legislation.
In addition to the above, statistics on the number of convictions in significant terrorist cases are collated for 2007 and 2008. In 2007, 37 individuals were convicted in 15 significant terrorist cases. 21 of those individuals pleaded guilty. So far in 2008, 28 people have been convicted in eight significant terrorist cases. Of these 28, 11 individuals pleaded guilty. Figures are subject to change as cases go through the system.