The Sept. 10 primaries in Delaware, New Hampshire, and Rhode Island marked the end of the 2024 primary season. So, let’s take a look at the data on how many major party candidates ran for office in this year’s primaries.
Let’s start off with major party candidates who appeared on primary ballots for 475 seats in the U.S. Congress. Those seats include 34 U.S. Senate seats, all 435 U.S. House seats, and six non-voting delegate seats in the U.S. House. There were 474 seats up for election in 2022, 474 in 2020, and 473 in 2018.
