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The '''2020 United States Senate elections''', coinciding with the [[2020 United States presidential election]] that is held on November 3, 2020, are 33 separate elections for all Class 2 Senate seats in addition to 2 special elections for Class 3 Senate seats.<ref group=note>It is important to note that the rankings for the Senate seats listed in the sections below classify each seat by their vulnerability in terms of political party control and not solely based on whether the incumbent (for all elections where the incumbent is seeking re-election) is projected to win or not.</ref>

The '''2020 United States Senate elections''', coinciding with the [[2020 United States presidential election]] that is held on November 3, 2020, are 33 separate elections for all Class 2 Senate seats in addition to 2 special elections for Class 3 Senate seats.<ref group=note>It is important to note that the rankings for the Senate seats listed in the sections below classify each seat by their vulnerability in terms of political party control and not solely based on whether the incumbent (for all elections where the incumbent is seeking re-election) is projected to win or not.</ref>

Prior to the election the Republicans have a 3-seat advantange, so Democrats need to win 4 seats (or 3 seats plus the [[White House]]) in order to flip control.  Dems expect to pick up a seat in [[Maine]] while losing a seat in [[Alabama]], and focus on trying to gain control by winning at least 3 out of [[Arizona]], [[North Carolina]], [[Colorado]], and [[Iowa]].  Republicans hope to flip the seat in [[Michigan]], particularly if [[Trump]] wins the state.

Prior to the election the Republicans have a 3-seat advantange, so Democrats need to win 4 seats (or 3 seats plus the [[White House]]) in order to flip control.  Dems expect to pick up a seat in [[Maine]] while losing a seat in [[Alabama]], and focus on trying to gain control by winning at least 3 out of [[Arizona]], [[North Carolina]], [[Colorado]], [[Georgia]], and [[Iowa]].  Republicans hope to flip the seat in [[Michigan]], particularly if [[Trump]] wins the state.

''<center>There are {{#expr: floor({{days until|2020|11|3}} / 7) }}{{#ifexpr: {{days until|2020|11|3}} / 7 - floor({{days until|2020|11|3}} / 7) > .5 | &frac12; }} weeks until Election Day 2020. If you live in a state with a Senate election this year, vote in person!</center>''

''<center>There are {{#expr: floor({{days until|2020|11|3}} / 7) }}{{#ifexpr: {{days until|2020|11|3}} / 7 - floor({{days until|2020|11|3}} / 7) > .5 | &frac12; }} weeks until Election Day 2020. If you live in a state with a Senate election this year, vote in person!</center>''