Prison facts and statistics - September 2012
This page shows statistical information on the:
- number of prisoners in each prison
- total prison population
- breakdowns of the prison population by
Total prison population
Percentage of prisoners in different age groups
Percentage of sentenced prisoners according to most serious* offence type 
* Prisoners may be convicted of offences across multiple categories. This information is based on the most serious offence a prisoner is convicted of.
Ethnicity of prisoners
Security classification of sentenced prisoners
Percentage of sentenced prisoners on indeterminate sentences*
* Indeterminate sentences refer to preventive detention and life sentences that have no end date. Prisoners on these sentences are only released at the discretion of the Parole Board and are subject to recall to prison if released on parole.