I need your help. I co-founded the Prison Policy Initiative to put the problem of mass incarceration — and the perverse incentives that fuel it — on the national agenda. Over the last 15 years, our campaigns have protected our democracy from the prison system and the poorest families in this country from the predatory prison telephone industry. Our reports untangle the statistics and recruit new allies.

But now, more than ever, we need your help to put data & compassion into the conversation.

Thank you.
—Peter Wagner, Executive DirectorDonate
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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