bar chart comparing percentage of people in jail on a a single day for probation and parole violations to those held for drug possession and those held for drug distribution

Data Source: Jail Data Initiative. (Graph: Emily Widra, 2025)

This graph originally appeared in New national data help fill 20-year data gap: Offense data for people in local jails.

See this briefing's appendix tables for more statistics and methodology notes.



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