Automatic ballot referral
An automatic ballot referral is a ballot measure set up by the constitution of a state to at a certain time have a ballot appear statewide under certain situations.
Types
Constitutional Convention
Fourteen states' constitutions state that they must give voters a chance to decide if they want to amend the constitution.| State | Upcoming year of vote | Years between vote | Percent voted yes at last vote |
| Alaska | 2022 | 10 | 32.3 |
| Connecticut | 2028 | 20 | 40.1 |
| Hawaii | 2028 | 10 | 69.8 |
| Iowa | 2020 | 10 | 32.8 |
| Illinois | 2028 | 20 | 32.6 |
| Maryland | 2030 | 20 | 48.1 |
| Michigan | 2026 | 16 | 33.4 |
| Missouri | 2022 | 20 | 34.7 |
| Montana | 2030 | 20 | 41.5 |
| New Hampshire | 2022 | 10 | 35.9 |
| New York | 2037 | 20 | 16 |
| Ohio | 2032 | 20 | 31.7 |
| Oklahoma | 2030 | 20 | 23.7 |
| Rhode Island | 2024 | 10 | 44.9 |