๐Ÿ‡น๐Ÿ‡ฟ United Republic of Tanzaniavs๐Ÿ‡ฒ๐Ÿ‡ท Mauritania

Total Population
72,563,778
5,461,321
United Republic of Tanzania is 13ร— Mauritania
Median age
18.6 years
18.5 years
0.1 years apart
Elderly Population Percentage
3.04%
3.27%
0.2 percentage points apart
Growth Rate
2.86%
2.75%
0.11 percentage points apart

Age composition in 2026:

๐Ÿ‡น๐Ÿ‡ฟ United Republic of Tanzania ๐Ÿ‡ฒ๐Ÿ‡ท Mauritania
United Republic of Tanzania Mauritania
Young Population 42.15%30,584,404 42.04%2,295,999
Working Age Population 54.82%39,776,409 54.69%2,986,765
Elderly Population 3.04%2,202,965 3.27%178,557

In 2026, the median age is 18.6 years in United Republic of Tanzania and 18.5 years in Mauritania.United Republic of Tanzania already reached Mauritaniaโ€™s current median age in 2025, about 1 years ahead in population aging.

The total population of United Republic of Tanzania is projected to keep growing until 2100, reaching 262,834,719.The total population of Mauritania is projected to keep growing until 2100, reaching 17,118,471.

By 2050, the dependency ratio of United Republic of Tanzania will be 64.6%, and 4.45% 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.

United Republic of Tanzania Mauritania
Demographic dividend (dependency ratio below 50%) None between 1950 and 2100 None between 1950 and 2100
Aging society (65+ reaches 7%) 2070 2 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