Legislative elections were held in South Korea on April 9, 2008. The conservative Grand National Party won 153 of 299 seats while the main opposition United Democratic Party won 81 seats. This election marked the lowest-ever voter turnout of 46%.

Electoral system

The election was held under parallel voting, with 245 members elected in single-member constituencies via first-past-the-post voting and the remainder elected via proportional representation. Proportional seats were only available to parties which one three percent of the national valid vote among seat-allocated parties and/or won five or more constituency seats.

Political parties

As of April 9, 2008, there were six political parties represented in the 18th National Assembly of South Korea, in addition to independents:

Results

By region