๐Ÿ‡ฐ๐Ÿ‡ท South Koreavs๐Ÿ‡ฒ๐Ÿ‡ณ Mongolia

Total Population
51,600,389
3,556,796
South Korea is 15ร— Mongolia
Median age
47.2 years
28.0 years
19.2 years apart
Elderly Population Percentage
21.43%
5.74%
15.7 percentage points apart
Growth Rate
-0.13%
1.13%
1.26 percentage points apart

Age composition in 2026:

๐Ÿ‡ฐ๐Ÿ‡ท South Korea ๐Ÿ‡ฒ๐Ÿ‡ณ Mongolia
South Korea Mongolia
Young Population 9.82%5,065,881 30.87%1,098,127
Working Age Population 68.75%35,474,901 63.39%2,254,496
Elderly Population 21.43%11,059,607 5.74%204,173

In 2026, the median age is 47.2 years in South Korea and 28.0 years in Mongolia.South Korea already reached Mongoliaโ€™s current median age in 1993, about 33 years ahead in population aging.

The total population of South Korea peaks in 2020 at 51,858,481.The total population of Mongolia is projected to keep growing until 2100, reaching 5,519,346.

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 Mongolia will be 55.9%, and 12.57% of the population will be elderly.

South Korea Mongolia
Demographic dividend (dependency ratio below 50%) 1987โ€“2029 2006โ€“2014
2032โ€“2041
Aging society (65+ reaches 7%) 2000 2030 30 years later
Aged society (65+ reaches 14%) 2018 2055 37 years later
Super-aged society (65+ reaches 20%) 2025 2083 58 years later