๐Ÿ‡ฒ๐Ÿ‡ณ Mongoliavs๐Ÿ‡ฏ๐Ÿ‡ต Japan

Total Population
3,556,796
122,427,730
Japan is 34ร— Mongolia
Median age
28.0 years
51.2 years
23.2 years apart
Elderly Population Percentage
5.74%
30.20%
24.5 percentage points apart
Growth Rate
1.13%
-0.55%
1.68 percentage points apart

Age composition in 2026:

๐Ÿ‡ฒ๐Ÿ‡ณ Mongolia ๐Ÿ‡ฏ๐Ÿ‡ต Japan
Mongolia Japan
Young Population 30.87%1,098,127 11.05%13,524,677
Working Age Population 63.39%2,254,496 58.76%71,934,032
Elderly Population 5.74%204,173 30.20%36,969,021

In 2026, the median age is 28.0 years in Mongolia and 51.2 years in Japan.Japan already reached Mongoliaโ€™s current median age in 1967, about 59 years ahead in population aging.

The total population of Mongolia is projected to keep growing until 2100, reaching 5,519,346.The total population of Japan peaks in 2009 at 128,192,471.

By 2050, the dependency ratio of Mongolia will be 55.9%, and 12.57% of the population will be elderly.By 2050, the dependency ratio of Japan will be 95.0%, and 37.48% of the population will be elderly.

Mongolia Japan
Demographic dividend (dependency ratio below 50%) 2006โ€“2014
2032โ€“2041
1963โ€“2003
Aging society (65+ reaches 7%) 2030 60 years later 1970
Aged society (65+ reaches 14%) 2055 61 years later 1994
Super-aged society (65+ reaches 20%) 2083 78 years later 2005