South Korea has a population of 51,486,343 (2025 est.) — growing at 0.09% per year, median age 47.0 years, life expectancy 83.4 years. It is ranked #14 of 195 in the Magna Country Rankings (Power 69.12/100). Full demographics — fertility, urbanization, languages, religions — are on its Magna Factbook country file below.
