All data

Dashboard of cases with one or more dangerousness hearings under M.G.L. Chapter 276, Section 58A. In a dangerousness hearing, the prosecution asks that the defendant be held without bail for up to 120 days. This data is compiled and updated quarterly by the Massachusetts Trial Court Department of Research and Planning.

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 a presentation on nonfatal spinal cord injuries in Massachusetts. The presentation 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.