| Election Date | State | Title | Outcome |
|---|---|---|---|
| Nov. 6, 2012 | South Dakota | Initiative Measure 15: An Initiated Measure to Increase State General Sales and Use Taxes for Additional K-12 Public Education and Medicaid Funding | Failed |
| Nov. 5, 2024 | South Dakota | Amendment F: South Dakota Medicaid Work Requirement Amendment | Passed |
| Nov. 3, 2026 | South Dakota | Amendment I: Medicaid Expansion Conditioned on 90% Federal Funding Amendment | Pending |