What’s New
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New “Key Statistics” on our website put the most requested numbers about mass incarceration at your fingertips
We’ve made it easier to access the topline statistics about the criminal legal system.
May 18: Prison Policy Initiative Blog
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Prolonged Incarceration of Children Due to Mental Health Care Shortages
by Staff of Senator Jon Ossoff & Representative Jen Kiggans
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Updated data and charts: Women’s incarceration, national prison population counts, psychological distress behind bars, and more
Updated data visualizations illustrate the scale of — and disparities within — mass incarceration.
April 27: Briefings
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.
If our work is new to you, you might want to check out our 2024-2025 annual report.
Recommended Reading:
The unmet health needs of people in prison
States fall far short of their duty to meet the health needs of incarcerated people.
All profit, no risk
The bail industry exploits cracks and loopholes in the legal system to avoid accountability, while growing its profits.
Compare your state's use of the prison to the world at large
Criminal justice policy in every region of the United States is out of step with the rest of the world.
Prison Gerrymandering Project
We are leading the movement to protect our democracy from the Census Bureau's prison miscount.