US Congress Legislative Datasets
US Congress Dashboard - US Congress Legislation - US Congress Datasets - US Congress Roster - US Congress 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.
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Legislative Datasets by LegiScan LLC is licensed under CC BY 4.0
| State | Year | Session | Modified | Exported | API JSON | CSV Basic |
|---|---|---|---|---|---|---|
| US Congress | 2025-2026 | 119th Congress | 2026-06-05 | 2026-06-07 | JSON 53.3 MB | CSV 3.7 MB |
| US Congress | 2023-2024 | 118th Congress | 2024-12-21 | 2024-12-29 | JSON 42.9 MB | CSV 5.0 MB |
| US Congress | 2021-2022 | 117th Congress | 2022-12-29 | 2023-01-04 | JSON 41.2 MB | CSV 4.7 MB |
| US Congress | 2019-2020 | 116th Congress | 2021-01-13 | 2021-12-31 | JSON 43.5 MB | CSV 6.3 MB |
| US Congress | 2017-2018 | 115th Congress | 2019-01-03 | 2021-12-31 | JSON 36.1 MB | CSV 6.4 MB |
| US Congress | 2015-2016 | 114th Congress | 2017-01-03 | 2021-12-31 | JSON 35.8 MB | CSV 8.2 MB |
| US Congress | 2013-2014 | 113th Congress | 2015-01-02 | 2021-12-31 | JSON 32.0 MB | CSV 7.5 MB |
| US Congress | 2011-2012 | 112th Congress | 2013-01-15 | 2021-12-31 | JSON 34.4 MB | CSV 8.5 MB |
| US Congress | 2009-2010 | 111th Congress | 2011-01-04 | 2021-12-31 | JSON 29.7 MB | CSV 5.5 MB |
