Source: Prison Population Statistics, Grahame Allen and Noel Dempsey (Number SN/SG/04334, 4 July 2016)
Link: researchbriefings.files.parliament.uk/documents/SN04334/SN04334.pdf
Notes:
The annual average is the average of the 12 month end populations.
2014 and 2015 data is calculated from quarterly reports.
Sources:
MoJ, Offender Management Statistics Quarterly, October-December 2013
MoJ, Offender Management Statistics Quarterly, various years
