Democrats are Favored to win control
78.1%
21.9%
How the race changed over time
Last update: November 3, 2020 18:00​
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The forecast model is frozen until the end of time.
For our live election day page, click here.
Steve Bullock (MT) enters race,
creating pathway to 51-seat majority
Joe Biden odds move outside MOE
50 seats needed for majority
Change in Senate composition
Which states switch hands
Democratic Gain Republican Gain
With Tossup No Tossup
50(+3)
52(+5)
45(-3)
46(-5)
Arizona
Kelly +6.7%
Colorado
Hickenlooper +11.6%
Maine
Gideon +3.6%
Alabama
Tommy Tuberville +10.1%
North Carolina
Cunningham +2.9%
Currently, we expect both Georgia Senate races to
head to a runoff election in January of 2021.