State Reform Profile
Massachusetts
Massachusetts has among the lowest incarceration rates and has pioneered mental health diversion and reentry programs.
Key Statistics
Incarceration by Race
Incarceration rate per 100,000 residents. Racial estimates based on BJS/Sentencing Project methodology.
Recidivism Rate
Percent of people reincarcerated within 3 years of release. Source: BJS recidivism data series.
Cost vs. Alternatives
Active & Passed Reforms
4 initiativesCriminal Justice Reform ActView full details →
Comprehensive reform raising age of juvenile jurisdiction, reducing mandatory minimums.
Question 4 – Marijuana LegalizationView full details →
Legalized recreational marijuana.
Chapter 69 – Expungement ReformView full details →
Allowed expungement of juvenile records.
Data Sources & Methodology
Reform data sourced from state legislative records, BJS Criminal Justice Statistics, the Vera Institute Incarceration Trends dataset, and The Sentencing Project. AltReform prediction scores (0,100) are generated by our ML model trained on 20+ years of state-level reform outcomes, weighting recidivism reduction, racial equity impact, cost-effectiveness, and political feasibility. Statistics are the most recent available (2021,2024).
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