How many Democratic House members not running in 2026?

30-day trend

Analysis

This question asks whether 24–27 Democratic House members will choose not to run for re-election in 2026. The current 28% probability suggests traders view this outcome as unlikely, with the modal expectation falling elsewhere in the range of possible retirements. Retirement decisions are driven by factors including individual member age and tenure, perceived seat vulnerability after redistricting, national political environment and party dynamics, and fundraising capacity. The actual count will be known as the filing deadline approaches and members formally announce their intentions. Historically, retirement waves correlate with midterm dynamics and perceptions of party strength; current assessments reflect uncertainty about Democratic turnout and incumbency advantages heading into 2026. The filing deadline will provide definitive resolution, making this a straightforward counting exercise once the cycle concludes.

• ›The reference class: 2022 saw 29 Democratic House retirements, suggesting whether 2026 tracks higher or lower depends on perceived party competitiveness and individual vulnerability assessments
• ›Filing deadline timing: formal retirement announcements cluster before the official deadline, making late 2025 and early 2026 the period when actual retirement intentions become measurable rather than speculative
• ›Comparative Republican retirement expectations: the related contract on 44+ Republican House retirements (32¢) versus 36–39 Republican retirements (31¢) suggests traders expect asymmetric retirement patterns between parties
• ›Seat-by-seat vulnerability: Democratic retirements concentrate in districts rated lean Republican or competitive; maps in states like Texas, Florida, and New York directly influence member calculus
• ›Age and tenure clustering: a subset of Democratic members approaching 20+ years of service or age 70+ creates a natural retirement pool independent of electoral dynamics

What moved the line

• May 632–35↑23pp10→33¢ · Polymarket
• May 732–35↓9pp33→24¢ · Polymarket
• May 740+↓8pp24→16¢ · Polymarket
• May 640+↑6pp18→24¢ · Polymarket
• May 620–23↓4pp16→12¢ · Polymarket

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These markets stopped trading. Last odds and any captured outcome are shown above — full settlement detail lives at the venue.

How we compute these odds