As of January 27, 2020, 2,388 major party candidates have filed to run for the U.S. Senate and House of Representatives in 2020.
So far, 338 candidates are filed with the Federal Elections Commission (FEC) to run for U.S. Senate. Of those, there are 152 Democrats and 135 Republicans. In 2018, 527 candidates filed with the FEC to run for U.S. Senate, including 137 Democrats and 240 Republicans.
For U.S. House, 2,292 candidates are filed with the FEC to run in 2020. Of those, there are 1,013 Democrats and 1,088 Republicans. In 2018, 3,244 candidates filed with the FEC, including 1,566 Democrats and 1,155 Republicans.
No new congressional retirements were announced last week. Four senators (three Republicans and one Democrat) and 35 representatives (26 Republicans and nine Democrats) are not running for re-election. A special election won’t be held to fill the seat vacated by Republican Duncan Hunter (CA-50) on January 13, bringing the total of open-seat House elections in 2020 to 36.
In 2018, 55 total members of Congress—18 Democrats and 37 Republicans—did not seek re-election.
On November 3, 2020, 35 Senate seats and all 435 House seats are up for election. Of those Senate seats, 33 are regularly scheduled elections, while the other two are special elections in Arizona and Georgia. Twelve are Democratic-held seats and 23 are Republican-held seats. In the House, where all seats are up for election, Democrats currently hold a majority with 232 seats.
- United States Senate elections, 2020
- United States House of Representatives elections, 2020
- List of U.S. Congress incumbents who are not running for re-election in 2020