The 2026 Michigan U.S. Senate primary is a major battleground contest, following two-term Democratic Senator Gary Peters’ decision not to seek re-election.
Because Michigan remains a key swing state, this open seat represents one of the most critical general election targets on the map.
Democratic Primary: Progressive vs. Establishment
The Democratic contest features a sharp ideological contrast and high-profile national interest:
- Abdul El-Sayed: Former Wayne County health director and 2018 gubernatorial candidate. Running on a progressive platform that emphasizes Medicare for All, ending corporate PAC funding, and foreign policy reforms (including ending unconditional U.S. military aid to Israel).
- Key Endorsements: Sen. Bernie Sanders, Rep. Alexandria Ocasio-Cortez, and progressive grassroots movements.
- Rep. Haley Stevens: U.S. Representative for Michigan’s 11th Congressional District. Campaigning on a pragmatist, main-street platform focused on Great Lakes manufacturing, affordability, healthcare access expansion, and party unity.
- Key Endorsements: Retiring Sen. Gary Peters, Gov. Gretchen Whitmer, former House Speaker Nancy Pelosi, and key labor unions.
- Other Candidates: State Senator Mallory McMorrow dropped out ahead of the primary, leaving El-Sayed and Stevens as the primary contenders.
- Mike Rogers: The former U.S. Representative and 2024 Senate nominee ran unopposed for the Republican nomination. Having secured early backing from key party figures including Senate Majority Leader John Thune and Sen. Tim Scott, Rogers cleared the field to focus directly on the November general election.
- Battleground Dynamics: With Michigan voting narrowly for Donald Trump in 2024 and maintaining a divided delegation, the state is viewed as a “must-win” for both national parties to control the U.S. Senate.
- General Election Matchup: The primary winner will face Republican Mike Rogers in the November general election. Third-party candidates include Lydia Christensen (Libertarian), Douglas P. Marsh (Green), and Timothy Long (U.S. Taxpayers).