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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Graph showing the number of people incarcerated per 100,000 populaton in four regions of the United States (Northeast, South, West and Midwest from 1978 to 2010

Data Source: For detailed sourcing, see http://www.prisonpolicy.org/reports/overtime.html#regional. (Graph: Peter Wagner, 2014)

This graph originally appeared in Tracking State Prison Growth in 50 States.

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