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.

Can you help us sustain this work?

Thank you,
Peter Wagner, Executive Director
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Pie chart showing that 15,000 Montana residents are in various types of correctional facilities or under criminal justice supervision on probation or parole

(Graph: Peter Wagner and Bernadette Rabuy, May 2016)

This graph is a part of Correctional Control: Incarceration and supervision by state.

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