Nov. 3, 2020 Held

United States of America

United States of America

Election for US Senate


Voter Participation

Cast Votes:86,077,286
Valid Votes:None
Invalid Votes:None

Seat Share By Party:

Hover to view number and percent of total seats won by party. Eight largest parties shown, with "others" combined if applicable.

Vote Share by Party:

Party Seats Won Seats Change Votes

Republican Party 20

Democratic Party (Democratic Party) 13

Election Results Modified: Dec 23, 2020

General Information

At stake in this election:

  • 35 seats in the Senate

Description of government structure:

  • Chief of State: President Donald TRUMP*
  • Head of Government: President Donald TRUMP
  • Assembly: United States has a bicameral Congress consisting of the Senate with 100 seats and the House of Representatives with 435 seats.

* The President is elected by absolute majority in the Electoral College to serve a 4-year term. Each state receives a number of Electoral College votes equal to its two Senators plus the number of seats it has in the House of Representatives, which is based on its population. Washington D.C. receives three electoral votes. A candidate must receive a majority of electoral votes (at least 270) to be elected president.

Description of electoral system:

  • The President is elected by an electoral college to serve a 4-year term.
  • In the Senate 100 members are elected by plurality vote in single-member constituencies to serve 6-year terms*. In the House of Representatives 435 members are elected by plurality vote in single-member constituencies to serve 2-year terms.

* One-third of Senate seats are up for election every two years.

Main parties in the electoral race:

  • Party: Democratic Party
    • Leader: Chuck SCHUMER
    • Seats won in last Senate election: 45*
  • Party: Republican Party
    • Leader: Mitch MCCONNELL
    • Seats won in last Senate election: 53

* The two independents elected caucus with the Democrats.

Population and number of registered voters:

  • Population: 332,639,102 (July 2020 est.)[1]
  • Registered Voters: 152,666,000 (September 2020 est.)[2]

Gender Data:

  • Female Population: 168,734,626 (2020 est.)[3]
  • Is United States a signatory to CEDAW: Yes (17 July 1980)
  • Has United States ratified CEDAW: No
  • Gender Quota: No
  • Female candidates in this election: Yes
  • Number of Female Parliamentarians: 26 (Senate); 101 (House)
  • Human Development Index Position: 15 (2020)[4]
  • Social Institutions and Gender Index (SIGI) Categorization: Very low[5]

Disability Data:

  • Is United States a signatory to CRPD: Yes (30 July 2009)
  • Has United States ratified CRPD: No
  • Population with a disability: 48,205,330 (2020 est.)[6]




[1] https://www.cia.gov/library/publications/the-world-factbook/geos/us.html

[2] https://worldpopulationreview.com/state-rankings/number-of-registered-voters-by-state

[3] https://www.cia.gov/library/publications/the-world-factbook/geos/us.html

[4] http://hdr.undp.org/en/countries/profiles/USA

[5] https://www.genderindex.org/wp-content/uploads/files/datasheets/2019/US.pdf

[6] http://www.electionaccess.org/en/resources/countries/US/all/

Election Modified: Jun 21, 2024

Most Recent Elections in United States of America

With Participation Rates