2026 Midterm Forecast

Updated September 25, 2026

Senate

Chance of winning control

Democrats
78%
Model range 72–83%
Independents decide
1%
Republicans
21%
Model range 16–27%
Median
52
Democratic seats
80% range
49–54
Democratic seats

House

Chance of winning control

Democrats
94%
Model range 91–96%
Republicans
6%
Model range 4–9%
Median
234
Democratic seats
80% range
220–250
Democratic seats

Governors

Chance of a majority of governorships

Democrats
79%
Model range 72–83%
Tied 25–25
12%
Republicans
10%
Model range 7–13%
Median
27
Democratic governors
80% range
25–30
Democratic governors

Races to watch

Latest polls

National picture

Generic ballot
D+8.8
Polling average
Trump approval
−23
Net approval (approve minus disapprove)
Popular vote
D+7.6
House forecast · 80% range D+4.3 to D+10.8