What’s New
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When bad policies spread: The expansion of the “sex offense registry” model to other convictions
Shaming doesn’t prevent crime.
August 10: Briefings
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Death by incarceration:
Detention duration, overdose, and COVID-19 in Los Angeles County Jails, 2008-2023 by Adrianne Katrina Nelson et al
August 10: Research Library: Jails
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Welcome to our Creator-in-Residence, Marci Marie Simmons!
Marci will work with the Prison Policy Initiative team to create social videos that expose the harms of mass incarceration in America.
August 6: Prison Policy Initiative Blog
Featured reports
Chronic Punishment: The unmet health needs of people in state prisons
This report offers the most recent national data on the health of people in U.S. state prisons, showing that prisons are continuing to ignore the plight of people in their care. People in prison suffer from several chronic illnesses and infectious diseases at disproportionate rates — such as hepatitis C, HIV, and mental illness — and prisons are failing to get many people the treatment they need. 50% of incarcerated people also lacked health insurance before prison, underscoring the reality that our criminal justice system punishes poverty.
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 2024-2025 annual report.
Recommended Reading:
Advocacy Toolkit
Resources, tips, and best practices to help advocates working to end mass incarceration.
50 state incarceration profiles
All of our recent reports about prison/jail growth, racial disparities, and more, re-organized by state.
Mass Incarceration: The Whole Pie
The U.S. incarcerates nearly 2 million people. Where are they locked up and why? Read our report.
