๐Ÿ‡น๐Ÿ‡ฉ Republic of Chadvs๐Ÿ‡ธ๐Ÿ‡น Sao Tome and Principe

Total Population
21,560,385
245,000
Republic of Chad is 88ร— Sao Tome and Principe
Median age
16.7 years
20.7 years
4.0 years apart
Elderly Population Percentage
2.13%
4.00%
1.9 percentage points apart
Growth Rate
2.65%
1.97%
0.68 percentage points apart

Age composition in 2026:

๐Ÿ‡น๐Ÿ‡ฉ Republic of Chad ๐Ÿ‡ธ๐Ÿ‡น Sao Tome and Principe
Republic of Chad Sao Tome and Principe
Young Population 46.01%9,920,924 37.16%91,050
Working Age Population 51.85%11,179,782 58.83%144,144
Elderly Population 2.13%459,679 4.00%9,806

In 2026, the median age is 16.7 years in Republic of Chad and 20.7 years in Sao Tome and Principe.Sao Tome and Principe already reached Republic of Chadโ€™s current median age in 1950, about 76 years ahead in population aging.

The total population of Republic of Chad is projected to keep growing until 2100, reaching 69,546,606.The total population of Sao Tome and Principe is projected to keep growing until 2100, reaching 534,018.

By 2050, the dependency ratio of Republic of Chad will be 69.3%, and 3.23% of the population will be elderly.By 2050, the dependency ratio of Sao Tome and Principe will be 58.5%, and 6.70% of the population will be elderly.

Republic of Chad Sao Tome and Principe
Demographic dividend (dependency ratio below 50%) None between 1950 and 2100 None between 1950 and 2100
Aging society (65+ reaches 7%) 2085 32 years later 2053
Aged society (65+ reaches 14%) Not reached by 2100 2085
Super-aged society (65+ reaches 20%) Not reached by 2100 Not reached by 2100