Age composition in 2026:
| Iran | Vietnam | |
|---|---|---|
| Young Population | 21.57%20,095,323 | 22.44%22,925,850 |
| Working Age Population | 69.49%64,740,036 | 67.66%69,128,402 |
| Elderly Population | 8.94%8,333,133 | 9.91%10,123,182 |
In 2026, the median age is 35.5 years in Iran and 34.9 years in Vietnam.Iran already reached Vietnamโs current median age in 2025, about 1 years ahead in population aging.
The total population of Iran peaks in 2053 at 101,996,360.The total population of Vietnam peaks in 2049 at 110,018,017.
By 2050, the dependency ratio of Iran will be 60.0%, and 22.43% of the population will be elderly.By 2050, the dependency ratio of Vietnam will be 58.6%, and 20.01% of the population will be elderly.
| Iran | Vietnam | ||
|---|---|---|---|
| Demographic dividend (dependency ratio below 50%) | 2003โ2045 | 2006โ2039 | |
| Aging society (65+ reaches 7%) | 2019 | 2019 | |
| Aged society (65+ reaches 14%) | 2039 3 years later | 2036 | |
| Super-aged society (65+ reaches 20%) | 2048 | 2050 2 years later |