Primary Rules
How Michigan's Primary Works
Michigan uses a Open Primary system
Open Primary
Any registered voter can vote in any party's primary, regardless of their own party affiliation or registration status.
& Party Affiliation Statistics
Key voter registration statistics · Updated 2026
How many registered Democrats, Republicans, and Independents are in Michigan?
| Party | Registered Voters | % of Total |
|---|---|---|
Democratic | 4,201,432 | 53.03% |
Republican | 2,402,959 | 30.33% |
Independent/Other | 1,317,833 | 16.63% |
Michigan uses a Open Primary system
How many eligible Michigan residents actually vote?
| Election | Turnout | Voted |
|---|---|---|
| 2024 General | 74.6% | 5,706,503 |
| 2022 General | 58.9% | 4,500,400 |
| 2020 General | 73.3% | 5,579,317 |
| 2024 Presidential Primary | 23.8% | 1,887,884 |
| 2024 State Primary | 21.8% | 1,813,413 |