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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Peter Wagner, Executive Director
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Graph showing the increase in the Illinois state prison population from 1970 to 2000. The number of state prisoners in Illinois grew from 7,326 in 1970 to 45,281 in 2000.

Data Source: Illinois Department of Corrections. (Graph: Prison Policy Initiative, 2010)

This graph originally appeared in Importing Constituents: Prisoners and Political Clout in Illinois.



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