Age composition in 2026:
| South Korea | World | |
|---|---|---|
| Young Population | 9.82%5,065,881 | 24.09%1,999,255,031 |
| Working Age Population | 68.75%35,474,901 | 65.31%5,421,227,665 |
| Elderly Population | 21.43%11,059,607 | 10.60%880,195,700 |
In 2026, the median age is 47.2 years in South Korea and 32.1 years in World.South Korea already reached Worldโs current median age in 2001, about 25 years ahead in population aging.
The total population of South Korea peaks in 2020 at 51,858,481.The total population of World peaks in 2084 at 10,289,315,239.
By 2050, the dependency ratio of South Korea will be 90.5%, and 39.68% of the population will be elderly.By 2050, the dependency ratio of World will be 58.0%, and 16.33% of the population will be elderly.
| South Korea | World | ||
|---|---|---|---|
| Demographic dividend (dependency ratio below 50%) | 1987โ2029 | None between 1950 and 2100 | |
| Aging society (65+ reaches 7%) | 2000 | 2002 2 years later | |
| Aged society (65+ reaches 14%) | 2018 | 2039 21 years later | |
| Super-aged society (65+ reaches 20%) | 2025 | 2070 45 years later |