In 2022, 40 U.S. House elections were decided by margins of victory of five percentage points (pp) or less, up from 37 in 2020.
Democrats won 22 of those races, up from 19 in 2020. Republicans won 18, the same number as in 2020.

In 2022, 40 U.S. House elections were decided by margins of victory of five percentage points (pp) or less, up from 37 in 2020.
Democrats won 22 of those races, up from 19 in 2020. Republicans won 18, the same number as in 2020.
