Chart showing that while 49 percent of people in state prison had a substance use disorder before they went to prison, only 1 in 10 has received clinical treatment in prison

Data Source: Calculated by the Prison Policy Initiative from Table 7 of the Bureau of Justice Statistics' report Indicators of Mental Health Problems Reported by Prisoners, which is based on the Survey of Prison Inmates, 2016. (Graph: Wendy Sawyer, 2022)

This graph originally appeared in Chronic Punishment: The unmet health needs of people in state prisons.

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