Population of South Korea 2026
50٬998٬795
Population now (estimate)
100٬210
Area (km²)
509
Density (per km²)
-0.1%
Annual growth rate
50٬998٬795
people — live estimate
◷ computed from the 2026 figure and growth rate
The population of South Korea in 2026 is about 50,998,795 people, according to the latest United Nations estimates. The population is declining at an annual rate of about 0.1%.
South Korea covers about 100,210 km², with Seoul as its capital, giving a population density of around 509 people per km².
South Korea is among the most populous countries in its region, with tens of millions of inhabitants. Its population is trending downward, reflecting demographic shifts or the impact of migration. It is also a highly dense area, with population concentrated in a limited space.