Where Data Tells the Story
© Voronoi 2026. All rights reserved.

Prisons are meant to rehabilitate, but in many parts of the world, they have become places of extreme danger, neglect, and abuse.
Overcrowding, violence, and systemic failures often leave inmates worse off than when they entered.
Based on a 2024 analysis from the International Security Journal, this graphic shows 20 of the world’s most dangerous prisons and the conditions that define them.