United Kingdom prison population
The United Kingdom has three distinct legal systems with a separate prison system in each: one for both England and Wales, one for Scotland, and one for Northern Ireland. As of June 2023, the United Kingdom has the highest per-capita incarceration rate in Western Europe, at 159 people per 100,000 in England and Wales; 162 people per 100,000 in Scotland; 97 people per 100,000 in Northern Ireland; and the largest prison population in Western Europe.
Source: Wikipedia — United Kingdom prison population (CC BY-SA 4.0)