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 20 years, thanks to individual donors like you.

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Peter Wagner, Executive Director
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Number of people in the DC prison system 1978-2001 and in the DC jail system 1978-2013

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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