World Prisons

Semantic search

Ask in plain English. Matches based on a vector embedding of every prison's overview, conditions, and visiting text. For exact-match keyword search use the header bar.

Data is aggregated from public sources and may be incomplete or out of date. Always verify with primary sources before acting on any figure. See data sources.

Semantic search

Describe what you're looking for in plain English — e.g. “maximum-security federal prisons that held El Chapo” or “women's prisons in Europe with mother-and-baby units”. Matches based on the overview + conditions + visiting text of every prison.