Age composition in 2026:
| Kenya | Sierra Leone | |
|---|---|---|
| Young Population | 35.73%20,949,016 | 37.21%3,347,406 |
| Working Age Population | 61.19%35,879,215 | 59.46%5,349,766 |
| Elderly Population | 3.08%1,808,175 | 3.33%299,577 |
In 2026, the median age is 21.3 years in Kenya and 20.9 years in Sierra Leone.Kenya already reached Sierra Leoneโs current median age in 2025, about 1 years ahead in population aging.
The total population of Kenya peaks in 2098 at 104,234,505.The total population of Sierra Leone peaks in 2092 at 16,009,634.
By 2050, the dependency ratio of Kenya will be 51.2%, and 5.71% of the population will be elderly.By 2050, the dependency ratio of Sierra Leone will be 50.8%, and 5.50% of the population will be elderly.
| Kenya | Sierra Leone | ||
|---|---|---|---|
| Demographic dividend (dependency ratio below 50%) | 2054โ2074 | 2053โ2085 | |
| Aging society (65+ reaches 7%) | 2058 | 2060 2 years later | |
| Aged society (65+ reaches 14%) | 2090 | 2092 2 years later | |
| Super-aged society (65+ reaches 20%) | Not reached by 2100 | Not reached by 2100 |