Republic of Korea

National Assembly

Political system
Presidential system
Structure of parliament
Unicameral
IPU membership
Yes

Electoral system

Rules concerning the right to vote and to stand for election, and details of the electoral system for directly-elected chambers.

Eligibility and voting

Minimum age of eligibility
18

Notes: The law that lowered the minimum eligibility age to run for the National Assembly from 25 to 18 was passed by the National Assembly on 31 December 2021. It came into effect on 1 April 2022. The new eligibility age was first applied to the 2024 general election.

Minimum age for voting in parliamentary elections
18

Notes: The amendment to the Public Official Election Act, which lowers the minimum voting age for National Assembly elections from 19 to 18, was passed by the National Assembly on 27 December 2019. The new voting age was first applied to the 2020 general election.

Compulsory voting
No

Electoral system for directly elected chambers

Electoral system
Mixed system
Electoral system sub-categories
Mixed Member Proportional System (MMP)
Number of members elected under the plurality/majority system
254
Number of members elected under the proportional representation system
46

Historical data for IPU membership

Historical data for IPU membership
Year IPU membership
2020-09
List of values for 2020-09
No
2019-04
List of values for 2019-04
No
2018-06
List of values for 2018-06
No