Age composition in 2026:
| Iran | Sri Lanka | |
|---|---|---|
| Young Population | 21.57%20,095,323 | 21.39%4,993,550 |
| Working Age Population | 69.49%64,740,036 | 65.77%15,357,162 |
| Elderly Population | 8.94%8,333,133 | 12.84%2,997,602 |
In 2026, the median age is 35.5 years in Iran and 34.6 years in Sri Lanka.Iran already reached Sri Lankaโs 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 Sri Lanka peaks in 2051 at 24,814,756.
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 Sri Lanka will be 60.3%, and 20.29% of the population will be elderly.
| Iran | Sri Lanka | ||
|---|---|---|---|
| Demographic dividend (dependency ratio below 50%) | 2003โ2045 | 2000โ2012 | |
| Aging society (65+ reaches 7%) | 2019 | 1950 or earlier | |
| Aged society (65+ reaches 14%) | 2039 9 years later | 2030 | |
| Super-aged society (65+ reaches 20%) | 2048 | 2049 1 years later |