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.
Voter file data: L2 Data · Registration counts: Michigan Secretary of State · Updated May 17, 2026
Michigan Voter Registration
& Party Affiliation Statistics
Total Registered
7,922,224
Most Active Primary Party
Democratic (53.03%)
Independent / NPP
16.63%
Primary Type
Open Primary
At a Glance
Michigan at a Glance
Key voter registration statistics · Updated 2026
Registered Voters
7,922,224
across 83 counties
Independent / NPP
16.63%
of registered voters
2024 Turnout
74.9%
of eligible voters
Primary Participation
Primary Ballot Participation by Party
Michigan does not register voters by party. The breakdown below is modeled from recent primary ballot history.
Democratic53.03%
Republican30.33%
Independent/Other16.63%
| Party | Registered Voters | % of Total |
|---|---|---|
Democratic | 4,201,432 | 53.03% |
Republican | 2,402,959 | 30.33% |
Independent/Other | 1,317,833 | 16.63% |
Note: Michigan does not collect party affiliation at voter registration. These figures are modeled from L2 voter-file analysis of which primary ballot each voter pulled in recent cycles — they reflect primary participation, not party registration.
Turnout
Voter Turnout in Michigan
How many eligible Michigan residents actually vote?
Recent Elections
| Election | Turnout | Voted |
|---|---|---|
| 2024 General | 74.9% | 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 |
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