In South Korea's by-elections, the highest turnout was 70.1% in Yeonggwang-gun, South Jeolla Province, and 47.2% in Geumjeong-gu, Busan Metropolitan City.
The Korea Central Election Commission announced on the 16th that the final voter turnout nationwide in the by-elections to select four local government heads and the Seoul Metropolitan Superintendent of Education was 24.62%.