Research reports

We publish reports about our inmates and facilities. These reports include statistics, facts, and data about our prison population. Questions regarding report availability should be sent to Research and Planning.

Yearly reports

Prison population trends

  • Comprehensive report that includes inmate demographics, prison admissions and releases, number of offenders who return to prison after their release, and information about prison operations


  • Recidivism trends for criminally sentenced inmates released to the community

Releases to community 

  • Criminally sentenced inmates released into a Massachusetts community and out of state

Institutional facts and counts

Fact cards

  • Bi-annual reports on inmate demographics

Weekly counts 

  • Weekly inmate and institutional counts

Monthly Restrictive Housing

  • Number of inmates held in restrictive housing units within each MA DOC correctional facility