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76,000 people from Illinois are behind bars today

Rates of imprisonment have grown dramatically in the last 40 years

Also see these Illinois graphs:

total numbers rather than rates.
Women’s prisons: Incarceration Rates | Total Population
Men’s prisons: Incarceration Rates | Total Population

Today, Illinois’s incarceration rates stand out internationally

graphic comparing the incarceration rates of the founding NATO members with the incarceration rates of the United States and the state of Illinois. The incarceration rate of 698 per 100,000 for the United States and 564 for Illinois is much higher than any of the founding NATO members In the U.S., incarceration extends beyond prisons and local jails to include other systems of confinement. The U.S. and state incarceration rates in this graph include people held by these other parts of the justice system, so they may be slightly higher than the commonly reported incarceration rates that only include prisons and jails. Details on the data are available in States of Incarceration: The Global Context. We also have a version of this graph focusing on the incarceration of women.