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 22 years, thanks to individual donors like you.

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Peter Wagner, Executive Director
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graph showing population changes in 17 state prisons from January to September 2020

Data Source: Percent change in state prison populations for 17 states compiled by the Prison Policy Initiative from state Department of Correction population reports and the Vera Institute of Justice's People in Prison 2019 report. (Graph: Emily Widra, 2020)

This graph originally appeared in Visualizing changes in the incarcerated population during COVID-19.

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