Featured report
States of Incarceration: The Global Context 2024
We also have a parallel report from 2025 focused on the incarceration of women.
Mass incarceration, state by state
Learn about the national prison crisis and how we can begin to turn the tide on mass incarceration. Then, drill down to your state. Be sure to also check out our pages focused on D.C., and the incarceration of Native people.
Select your state:
If our work is new to you, you might want to check out our 2025-2026 annual report.
Recommended Reading:
50 state incarceration profiles
All of our recent reports about prison/jail growth, racial disparities, and more, re-organized by state.
The rapid & unregulated growth of e-messaging in prisons
It can strengthen connections, but instead has been used to sap money from incarcerated people.
Incarceration and supervision by states
Probation and parole are the leading forms of mass punishment in America.
Prison Gerrymandering Project
We are leading the movement to protect our democracy from the Census Bureau's prison miscount.
Events
- November 18-21, 2026:
Members of our Research team, will be attending the American Society of Criminology annual meeting in Chicago from November 18th through the 21st. Please reach out if you’d like to set up a meeting.
Not near you?
Invite us to your city, college or organization.