2026 US Midterm Elections

Real-time forecasts from the Metaculus community.

18 of 35 races lean Democrat1 too close to call

House

Democrats95.8%Republicans4.2%

Senate

Democrats72.1%Republicans27.9%
Dem House / Dem Senate72.0%Dem House / Rep Senate23.7%Rep House / Rep Senate4.1%Rep House / Dem Senate0.1%

Seat Distributions

The community's forecasts for the final seat advantage in each chamber.

Key Drivers

A national emergency declaration could expand federal authority over the election.

Missouri voters decide whether to repeal the abortion-rights protections they enshrined in 2024.

New USPS restrictions could reshape mail-in voting access, but pending lawsuits may block them before November.

Electoral Consequences

How forecasted outcomes shift depending on which party holds Congress.

Will Trump be impeached again?

if Dem Congress
85%
if Split Congress
55%
if Rep Congress
1%

US Congress limits presidential war powers before Jan 3, 2029?

if Dem Congress
50%
if Split Congress
17%
if Rep Congress
5%

Will there be an unfilled Supreme Court vacancy on Jan 20, 2029?

if Dem Congress
18%
if Split Congress
11%
if Rep Congress
5%

Bill limiting tariff authority pass both chambers during the 120th Congress?

if Dem Congress
66%
if Split Congress
20%
if Rep Congress
8%

Bill limiting abortion funding/access passed by the 120th Congress?

if Dem Congress
0%
if Split Congress
3%
if Rep Congress
44%

Community Insights

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