More sitting House members than ever are running, and losing, in primaries for another office

Number of sitting U.S. House members who have run in a primary for another office, by primary outcome and competitiveness, in each presidential and midterm cycle since 1990

Candidates were classified as competitive in their primaries if they trailed or led in polling within a month of the primary election by less than 15 percent, or if they won or lost the nomination by less than 15 percent. 2026 data reflects the results of primaries held through June 16.
Chart: Katie MarrinerSource: FiftyPlusOne.newsGet the dataCreated with Datawrapper