A line chart from the Institute for Government of Self-harm rates per 1,000 prisoners, Q2 2009 to Q1 2023, where rates of self harm among women have increased dramatically since 2016, from 400 incidents per 1,000 prisoners in Q1 2017 to 1,680 in Q1 2023. Rates in male prisons grew gradually from 40 per 1,000 n Q2 2009 to 150 in Q1 2019. Since then, rates per 1,000 have remained stable.