Age composition in 2026:
๐ณ๐ฌ Nigeria
๐ฒ๐ท Mauritania
| Nigeria | Mauritania | |
|---|---|---|
| Young Population | 40.02%97,010,304 | 42.04%2,295,999 |
| Working Age Population | 56.89%137,925,646 | 54.69%2,986,765 |
| Elderly Population | 3.09%7,495,885 | 3.27%178,557 |
In 2026, the median age is 19.4 years in Nigeria and 18.5 years in Mauritania.Nigeria already reached Mauritaniaโs current median age in 1950, about 76 years ahead in population aging.
The total population of Nigeria is projected to keep growing until 2100, reaching 476,747,779.The total population of Mauritania is projected to keep growing until 2100, reaching 17,118,471.
By 2050, the dependency ratio of Nigeria will be 54.9%, and 4.54% of the population will be elderly.By 2050, the dependency ratio of Mauritania will be 62.4%, and 4.67% of the population will be elderly.
| Nigeria | Mauritania | ||
|---|---|---|---|
| Demographic dividend (dependency ratio below 50%) | 2058โ2100 | None between 1950 and 2100 | |
| Aging society (65+ reaches 7%) | 2073 5 years later | 2068 | |
| Aged society (65+ reaches 14%) | Not reached by 2100 | 2096 | |
| Super-aged society (65+ reaches 20%) | Not reached by 2100 | Not reached by 2100 |