World Prisons

Reform / Organisations

Institute for Crime & Justice Policy Research

academic · HQ United Kingdom

Verified 21 May 2026 · Data dated 21 May 2026
Fresh · 8d ago

Academic research institute at Birkbeck, University of London — publishers of the World Prison Brief.

ICPR's World Prison Brief is the canonical source for comparable prison-population statistics across 226 jurisdictions. Its data backs nearly every cross-country comparison of incarceration rates published anywhere in the world.

Focus areas

data transparencyresearch

Visit

https://www.prisonstudies.org/

Reports published by ICPR

  • World Female Imprisonment List, 5th edition2022

    ICPR's quinquennial census of women in prison worldwide. Documents ~740,000 women held globally, with the largest absolute numbers in China, the United States, and Russia. Notes the rising rate of women's incarceration in El Salvador, Türkiye, and several Central Asian states.