23/24 report:
As in previous years, the prison population for the year ending March 2024 has remained as majority male, of white ethnic background, heterosexual, and reporting to follow Christian faiths. The largest proportion of prisoners are in the 30-39 age bracket.
The number of transgender prisoners recorded has continued to increase this year. As with last year, most transgender prisoners were legally male, from a white ethnic background, and held in the men’s prison estate.
The number of mother and baby unit applications has risen this year, following a drop in the previous year. Most applications with a decision outcome were approved, as with previous years. The majority of applicants and self-declared pregnant prisoners were from a white ethnic background.
A higher proportion of younger, Jewish or Muslim, heterosexual prisoners, and prisoners from a black/ black British, mixed, or other ethnic background were on basic level incentives compared to the general prison population.
A higher proportion of older, gay/ lesbian or bisexual prisoners, prisoners of Buddhist, Hindu or Sikh faith, and prisoners from an Asian/ Asian British ethnic background were on enhanced incentives compared with the general prison population.
The majority of accredited programmes starts and completions were by male, heterosexual prisoners, from a white ethnic background, who self-reported as single or not married/in a civil partnership.
https://www.gov.uk/government/statistics/hmpps-offender-equalities-annual-report-2023-to-2024/hmpps-offender-equalities-report-202324
In the section on transgender prisoners they say there are 295 or which 10 have a GRC.