Data Source: Compiled by Prison Policy Initiative from the Jail & Prison Opioid Project (last updated 2022) and A Review of Medication Assisted Treatment (MAT) in United States Jails and Prisons from the California Correctional Health Care Services (2023), updated with information collected from news coverage and individual state prison system websites. For the data underlying this map, see the Appendix Table. (Graph: Emily Widra, 2025)
This graph originally appeared in New report reveals successes and limitations of medications for opioid use disorder in New York state prisons.
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