What’s New
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Resource spotlight: Data projects tracking police misconduct, use of force, and employment histories
The need for law enforcement transparency, oversight, and accountability has never been clearer. We highlight data projects that have helped document and investigate misconduct, as both data sources and as models for others who want to contribute to these collective efforts.
January 26: Prison Policy Initiative Blog
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New study: Kids who need treatment for opioid use disorder rarely get it
A new nationwide study published in Health Affairs finds that adolescents aged 12 to 17 struggle to access and remain engaged in treatment, often because they are not offered youth-tailored treatment and gold-standard opioid use disorder medications.
January 22: Briefings
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Key characteristics of medical parole applications in Massachusetts in 2022-2023
by Michelle Suh et al
January 14: Research Library: Probation and parole
Featured report
Hiding in Plain Sight: How local jails obscure and facilitate mass deportation under Trump
Local jails, even in some sanctuary cities and states, are playing an essential role in President Trump’s mass detention and deportation plan. This report breaks down the complicated overlap between local criminal legal systems and immigration, and offers detailed data tables showing the level of involvement in every state and in specific jails. It also reveals that the Trump administration is circumventing city and county sanctuary policies by referring more immigrants for federal prosecution, meaning they go unnoticed both in local jails and in statistics about detention.
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:
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.