Health and Social Services

Explore data on health and the environment. Topics including diseases, air quality, and lead and poisonous substances. You can also build your own tables and maps. This site is maintained by the Bureau of Environmental Health, a division of the Department of Public Health.

The Center for Health Information and Analysis (CHIA) publishes measures of the performance of the Massachusetts health care system. These metrics focus on 2 areas in health care: spending and insurance coverage, and health care provider usage and performance.

Descriptive and comparative data on acute and non-acute hospitals based on hospital characteristics, services, payer mix, utilization trends, cost trends, financial performance, and quality over a five-year period. This data is hosted on a website operated by the Center for Health Information and Analysis (CHIA).

Studies and statistics from MassDEP, its Office of Research & Standards (ORS), and other organizations.

Find violent death data in Massachusetts, inluding homicide and suicide.

View data on member enrollment, application activity, Customer Service Center statistics, and more.

Find data on Title V Maternal and Child Health Performance Measures in Massachusetts.

See below for information about Mental Health Recovery Measure (MHRM) & One Care Quality of Life (QoL) Survey Reports

Monthly tick reports show seasonal trends in reported tick bites and tick-borne disease diagnoses in Massachusetts residents.

Cumulative reports on mpox (formerly called monkeypox) cases and people vaccinated in Massachusetts.