Question to the Department of Health and Social Care:

To ask Her Majesty's Government how much they have spent on drug rehabilitation for (1) men, and (2) women, in prison, in (a) England, and (b) Wales, in each year since 2010.

The information is not held in the format requested. Due to the way NHS England commissions integrated services across the secure and detained estate, it is not possible to determine specific expenditure on mental health services and substance misuse services.

In England, spending on health services in prisons has increased from £400 million in 2016/17 to approximately £496 million in 2020/21. Integrated spending on substance misuse and mental health services in prisons has increased from £148 million in 2016/17 to £203 million in 2020/21. This expenditure relates to both the male and female adult secure estate.

Information on health care spending in Wales is not held as this is a devolved matter.