line graph showing changes in probation, parole, and incarcerated populations since 1975

Data Source: Compiled by the Prison Policy Initiative from Bureau of Justice Statistics' Probation and Parole in the United States, Jail Inmates, and Prisoners' data series. (Graph: Wendy Sawyer, 2026)

This graph originally appeared in Updated data and charts: Women’s incarceration, national prison population counts, psychological distress behind bars, and more.

The original version of this chart was published in Probation population declines: Good, but not good enough.

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