What’s New
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Breaking ICE: Most bans on ICE collaboration don’t go far enough. Here’s how to make them stronger
State and local governments play a critical role in the detention and deportation machinery. Here’s how advocates can make bans on 287(g) agreements more effective and place additional limits on ICE overreach.
October 15: Briefings
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New report shows where 198,800 incarcerated women in the U.S. are locked up and why
The report goes in-depth on women’s incarceration in local jails, ICE detention, and other forms of confinement.
October 14: Press releases
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Cooperation with ICE doesn’t stop community arrests: New data on the results of state strategies
The Trump administration has demanded local and state collusion on immigration enforcement, and promised to pull back on community arrests in return. But our analysis of updated ICE arrest data shows that collaboration has only expanded ICE arrests, and that the mass deportation project falters in places that resist.
October 6: Briefings
Featured report
Women's Mass Incarceration: The Whole Pie 2026
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
- October 27, 2026:
On October 27, 2026 at 1:30 p.m. EST, join the Prison Policy Initiative for a webinar focused on making public records requests. We’ll cover the basics of making a request and provide tips and tricks we’ve learned over decades of sending requests to jails, prisons, and other agencies that can make your requests more effective.
Register here
Not near you?
Invite us to your city, college or organization.