Democratic Party (USA) wins the Senate majority in the 2026 US midterm elections (November 3, 2026) and holds the Senate Majority Leader position (at least 51 seats)
Pending
✦ AI-generated prediction
Published on 17. July 2026
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Predicted for 3. November 2026
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Based on: Speculative
Republicans currently hold a 53-47 Senate majority. Democrats need a net +4 seats to flip control. The 2026 election covers Class 3 senators, including several competitive swing-state seats. Historically the president's party loses an average of 5 Senate seats at midterms; Trump's second term with unpopular tariff policy and social spending cuts may energise voters. No specific Polymarket Senate-control 2026 market available (as of July 17, 2026). Estimate based on historical regression. Distinct from the open prediction 'Democrats win House majority'.
Data basis for this prediction
- US-Senat aktuell: Republikaner 53, Demokraten 47 (US Senate.gov, Juli 2026)
- Historisches Midterm-Muster: Präsidentenpartei verliert Ø 5 Senatssitze (FiveThirtyEight Historik)
- Polymarket: kein spezifisches 2026-Senats-Mehrheits-Markt gelistet (Stand 17. Juli 2026)
- Reuters / Politico: Trumps Zollpolitik und Haushaltskürzungen als Mobilisierungsfaktor (2026)
Verdict: Pending
This prediction is still open. It will be evaluated automatically against real-world sources after its due date.
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With 97% of votes counted, Republican incumbent Roger Wicker leads by just 28 votes per NBC News live results (04.11.2026) — one of the closest Senate races in history. Mississippi election law requires an automatic recount when the margin falls below 0.5% of total votes, expected to conclude by 15–20 November. The remaining 3% of ballots originate primarily from rural precincts with historically higher Republican turnout, giving Wicker a slight statistical edge. No specific Polymarket market for Mississippi was identified.
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✦ AI
Polymarket gives Peltola a 72% win probability (as of November 3, 2026). The Democrat benefits from Alaska's Ranked Choice Voting system, which structurally favors cross-partisan candidates, as well as strong support from the Indigenous population and Alaska Native organizations. The national environment weighs on Sullivan: Polymarket gives Democrats a 72–77% probability of winning the Senate majority and 95% in the House. Early mail-ballot returns show a slight pro-Democratic lean in Alaska. Because Alaska uses ranked choice, a final count is not expected until November 5.