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US midterm elections 2026
Nov 3, 2026· Treaty or event
FactTreaties, membership, measured data, events.
Nationwide US elections on November 3, 2026 for all 435 House seats, 35 Senate seats and 36 governorships.
See it on the Geopolitics map →The picture
Republicans hold narrow majorities: a handful of seats in the House and 53–47 in the Senate. Since 1946 the president's party has lost House seats in all but two midterms, roughly 25 on average. Both parties redrew districts mid-decade in 2025, led by Texas for Republicans and California's Proposition 50 for Democrats. Outlook, not fact: many 2026 forecasts gave Democrats an edge for the House and Republicans the advantage in the Senate. Polls are not results.
Why it matters
Control of Congress decides whether Trump can pass laws, fund priorities and confirm officials in his last two years, and whether he faces investigations; it also signals 2028.
Key facts and numbers
Results will come from state election officials; history from the House Clerk's records; forecasts from pollsters and models such as the Cook Political Report. Written before Election Day, October 2026.
What to watch
How much tariffs, prices, deportations, the Iran war and new district maps move turnout and swing voters stays uncertain until votes are counted.
Connections (2)
▸US midterm elections 2026 will test Donald TrumpOutlook
The relationship
Midterms act as a referendum on the president. If Democrats win the House, they gain subpoena power, control over spending bills and the ability to stall Trump's agenda; if Republicans hold both chambers, his last two years face fewer limits.
Since when and why
Nationwide, November 3, 2026; Trump is not on the ballot but has endorsed candidates and pushed mid-decade redistricting in Republican-run states.
How solid?
This is an outlook: presidents' parties usually lose seats and approval ratings track midterm results, but outcomes are not known in advance.
What to watch
Whether redistricting, turnout among occasional Trump voters and the economy override the usual midterm swing against the party in power.
▸US midterm elections 2026 could decide the fate of 2025–26 US tariffs ('Liberation Day')Outlook
The relationship
Outlook, not fact: Congress holds the taxing power, which the Supreme Court's 2026 ruling reinforced. If Democrats win the House on November 3, 2026, they could hold hearings, refuse to extend temporary tariffs and push limits, though those would also need the Senate and could face a veto. A Republican hold would leave tariff policy with the White House.
Since when and why
Nationwide elections on November 3, 2026 for all 435 House seats and 35 Senate seats; the new Congress sits in January 2027.
How solid?
This is an outlook: polls rank prices and tariffs among top voter concerns, but no votes have been counted yet.
What to watch
Whether Republicans themselves break with tariffs, as some senators did in October 2025 votes to end tariff emergencies, and whether any veto override could reach two-thirds.