Massachusetts Legislative Datasets

Please note you must be logged in to download the datasets. Registration is free. Signup here.

Massachusetts Dashboard - Massachusetts Legislation - Massachusetts Datasets - Massachusetts Roster - Massachusetts Trends

Weekly snapshots of all bill, vote and legislator data for each session are created Sunday mornings with updated information on an as-needed basis. Provided in simple comma-separated values files for general bill data, or the most complete form packaged as LegiScan API JSON payloads. Current year data is below, for a complete historical list of session files select an individual state above.

Inquire for more details on subscription data services, including near real-time remote replication of the national database, alternative licensing terms, or snapshots of the complete 350GB text training corpus.

Legislative Datasets by LegiScan LLC is licensed under CC BY 4.0Creative CommonsAttribution

StateYearSessionModifiedExportedAPI JSONCSV Basic
Massachusetts2025-2026194th General Court2026-06-072026-06-07JSON
14.2 MB
CSV
1.1 MB
Massachusetts2023-2024193rd General Court2024-12-272024-12-29JSON
14.0 MB
CSV
1.2 MB
Massachusetts2021-2022192nd General Court2022-12-232022-12-25JSON
15.0 MB
CSV
1.3 MB
Massachusetts2019-2020191st General Court2021-01-152021-12-31JSON
15.5 MB
CSV
1.3 MB
Massachusetts2017-2018190th General Court2019-01-112021-12-31JSON
14.1 MB
CSV
1.4 MB
Massachusetts2015-2016189th General Court2017-01-142021-12-31JSON
12.2 MB
CSV
1.0 MB
Massachusetts2013-2014188th General Court2015-01-122021-12-31JSON
10.6 MB
CSV
957 KB
Massachusetts2011-2012187th General Court2013-05-232021-12-31JSON
10.4 MB
CSV
1.0 MB
Massachusetts2009-2010186th General Court2011-01-142022-12-20JSON
8.1 MB
CSV
649 KB
feedback