Republic of Korea Population Pyramid

The age and sex structure of Republic of Korea from 1950 to 2100. In 2026, Republic of Korea had a population of about 51,600,395 (49.9% male, 50.1% female), with a median age of 47.2 years. UN projections suggest the population will decline to about 21,848,796 by 2100. Use the slider to explore any year. Source: UN World Population Prospects 2024.