Age composition in 2026:
| Japan | Mongolia | |
|---|---|---|
| Young Population | 11.05%13,524,677 | 30.87%1,098,127 |
| Working Age Population | 58.76%71,934,032 | 63.39%2,254,496 |
| Elderly Population | 30.20%36,969,021 | 5.74%204,173 |
In 2026, the median age is 51.2 years in Japan and 28.0 years in Mongolia.Japan already reached Mongoliaโs current median age in 1967, about 59 years ahead in population aging.
The total population of Japan peaks in 2009 at 128,192,471.The total population of Mongolia is projected to keep growing until 2100, reaching 5,519,346.
By 2050, the dependency ratio of Japan will be 95.0%, and 37.48% 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.
| Japan | Mongolia | ||
|---|---|---|---|
| Demographic dividend (dependency ratio below 50%) | 1963โ2003 | 2006โ2014 2032โ2041 |
|
| Aging society (65+ reaches 7%) | 1970 | 2030 60 years later | |
| Aged society (65+ reaches 14%) | 1994 | 2055 61 years later | |
| Super-aged society (65+ reaches 20%) | 2005 | 2083 78 years later |