All data

Initial release decisions in criminal cases in the District and Boston Municipal Courts. Data is grouped by fiscal quarter, offense type, and decision type (release on recognizance, release on bail, held with bail, and held without bail). Also includes defendant demographics. This data is compiled and updated annually by the Massachusetts Trial Court Department of Research and Planning.

Massachusetts keeps track of events that result in harm to patients. You can download data that hospitals collect annually about SRE counts and types.

The Firearms Records Bureau publishes data on firearms licensing by licensing authority and firearms transactions by gun dealers.

This report provides data on statewide sudden, unexpected infant deaths (SUID) as well as risk factors and preventive measures.

Download data on nonfatal spinal cord injuries in Massachusetts. Dataset includes demographic breakouts, causes of injuries, and more.

View Data Breach Notification Reports, which include how many breaches are reported each year and the number of affected residents.

Read reports on sports-related concussions among young people and trends in traumatic brain injuries in Massachusetts.

Provides annual summaries of valid data collection rates for specific air emissions at combustion/waste-to-energy facilities. This dataset is hosted on an MA Department of Environmental Protection (Mass DEP) website.

View dashboards that show data on COVID-19 incidences among staff and patients in state facilities and congregate care sites, and mobile testing results. Published by the Executive Office of Health and Human Services (EOHHS).