(Graph: Joshua Aiken, May 2017)
This graph is a part of the Prison Policy Initiative report, Era of Mass Expansion: Why State Officials Should Fight Jail Growth.
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Research Library
We curate a searchable database of 4,000+ original research reports, organizing each entry by topic and adding brief summaries.
Mass Incarceration: The Whole Pie
The U.S. incarcerates over 1.9 million people, more than any other country. Where are they locked up and why? Read our report.
Jails and bail: Our research
One out of three people behind bars is in a local jail. Our research drives jail reform.
Events
- November 13-15, 2024:
Members of our Research and Advocacy teams will be attending the American Society of Criminology annual meeting in San Francisco from November 13 through the 15th. Please reach out if you’d like to set up a meeting. - November 14-16, 2024:
Members of our Research and Advocacy teams will be attending a convening at the University of Texas in Austin from November 14 through the 16th. Please reach out if you’d like to set up a meeting.
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