Figure 1. Number of Competitive House Primaries by Type of Contested Seat, 2018

A competitive primary is any primary where two or more candidates have already raised over $100,000 in total receipts (FEC). Data do not include candidates in Louisiana, which uses a nonpartisan blanket primary system.
Source: Source: FEC and U.S. House of Representatives Press Gallery (as of: 2/27/2018). Get the data