Michigan Legislative Datasets
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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 |
|---|---|---|---|---|---|---|
| Michigan | 2025-2026 | 103rd Legislature | 2026-06-07 | 2026-06-07 | JSON 12.2 MB | CSV 993 KB |
| Michigan | 2023-2024 | 102nd Legislature | 2024-12-29 | 2024-12-29 | JSON 11.3 MB | CSV 1.5 MB |
| Michigan | 2021-2022 | 101st Legislature | 2022-12-31 | 2023-01-04 | JSON 11.5 MB | CSV 1.5 MB |
| Michigan | 2019-2020 | 100th Legislature | 2020-12-31 | 2021-12-31 | JSON 10.5 MB | CSV 1.3 MB |
| Michigan | 2017-2018 | 99th Legislature | 2018-12-31 | 2021-12-31 | JSON 10.0 MB | CSV 1.6 MB |
| Michigan | 2015-2016 | 98th Legislature | 2016-12-31 | 2021-12-31 | JSON 10.4 MB | CSV 1.4 MB |
| Michigan | 2013-2014 | 97th Legislature | 2014-12-31 | 2021-12-31 | JSON 10.9 MB | CSV 1.6 MB |
| Michigan | 2011-2012 | 96th Legislature | 2012-12-31 | 2021-12-31 | JSON 11.0 MB | CSV 1.6 MB |
| Michigan | 2009-2010 | 95th Legislature | 2010-12-29 | 2021-12-31 | JSON 9.7 MB | CSV 930 KB |
