Two U.S. representatives announced last week they will not seek re-election to the U.S. House: Republican Reps. Mark Meadows (NC-11) and Mark Walker (NC-06). That brings the number of Republicans retiring from the House to 25. To date, four senators (three Republicans and one Democrat) and 34 Representatives (25 Republicans and nine Democrats) are not running for re-election. In 2018, 55 total members of Congress—18 Democrats and 37 Republicans—did not seek re-election.

As of December 23, 2019, 318 candidates are filed with the Federal Elections Commission (FEC) to run for U.S. Senate in 2020. Of those, 271—143 Democrats and 128 Republicans—are from one of the two major political parties. In 2018, 527 candidates filed with the FEC to run for U.S. Senate, including 137 Democrats and 240 Republicans.

For U.S. House, 2,010 candidates are filed with the FEC to run in 2020. Of those, 1,878—928 Democrats and 950 Republicans—are from one of the two major political parties. In 2018, 3,244 candidates filed with the FEC, including 1,566 Democrats and 1,155 Republicans.

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 233 seats.

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