
The average margin of victory across 2025’s 180 state legislative elections was 24.7%. This is the second-lowest average margin of victory in odd-year elections since 2019, and down from 28.7% in 2023. The Nov. 4, 2025, state legislative elections included all 100 seats in the Virginia House of Delegates and all 80 seats in the…

Thirty-four elections nationwide were decided by 10 votes or fewer between Sept. 2024 and Sept. 2025. Democrats won 11 of these elections, Republicans won five, and nonpartisan or minor party candidates won 18. Twenty-two of those were decided by 5 votes or fewer. This year, the race decided by 10 or fewer votes with the…
Across all 5,807 state legislative seats up for election in 2024, the average margin of victory was 27.3%. An electoral margin of victory (MOV) is the difference between the share of votes cast for the winning candidate and the second-place candidate in an election. Only races with more than one candidate were included in this…