All data

The Massachusetts Cancer Registry (MCR) collects information on all newly diagnosed cases of cancer in the state.

Find information and data on cancer in Massachusetts, managed by the Massachusetts Cancer Registry.

View the latest data about COVID-19 vaccine in Massachusetts.

Explore dashboards and download datasets about vehicle accidents using the Department of Transportation's Interactive Mapping Portal for Analysis and Crash Tracking (IMPACT). These data are based on crash reports submitted by state and local police departments.

Diabetes prevalence in Massachusetts has been steadily increasing.

Find energy data related to clean energy, energy markets, emissions, transportation and more.

View records for development projects currently under review or previously reviewed by the MEPA office. Look up projects by name, municipality, and location.

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.

Explore data about the state's payroll. Includes employee count by agency and payroll by agency. Data spans 2010 to present. This data is published on CTHRU, a website managed by the Comptroller.

Annual summaries of facility and retail seller of electricity GHG emissions. MassDEP calculations of annual Retail Seller GHG emission factors.