HELP US END MASS INCARCERATION The Prison Policy Initiative uses research, advocacy, and organizing to dismantle mass incarceration. We’ve been in this movement for 23 years, thanks to individual donors like you.

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Thank you,
Peter Wagner, Executive Director
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Graph showing the number of people in state prison and local jails per 100,000 residents in the District of Columbia from 1978 to 2015

Data Source: Compiled by the Prison Policy Initiative from multiple Bureau of Justice Statistics datasets. For detailed sourcing, see our report Era of Mass Expansion: Why State Officials Should Fight Jail Growth. (Graph: Joshua Aiken, 2017)

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