data korea 2023The population in South Korea was 51,712,619 in 2025. The nominal GDP per capita in South Korea was $33,121.37 in 2025. The Gini index in South Korea was 32.9 in 2021. The lifeThe current population of the Republic of Korea is 51,673,795 as of Tuesday, May 20, 2025 based on Worldometer's elaboration of the latest United Nations data1.