Age composition in 2026:
๐ธ๐น Sao Tome and Principe
๐น๐ฉ Republic of Chad
| Sao Tome and Principe | Republic of Chad | |
|---|---|---|
| Young Population | 37.16%91,050 | 46.01%9,920,924 |
| Working Age Population | 58.83%144,144 | 51.85%11,179,782 |
| Elderly Population | 4.00%9,806 | 2.13%459,679 |
In 2026, the median age is 20.7 years in Sao Tome and Principe and 16.7 years in Republic of Chad.Sao Tome and Principe already reached Republic of Chadโs current median age in 1950, about 76 years ahead in population aging.
The total population of Sao Tome and Principe is projected to keep growing until 2100, reaching 534,018.The total population of Republic of Chad is projected to keep growing until 2100, reaching 69,546,606.
By 2050, the dependency ratio of Sao Tome and Principe will be 58.5%, and 6.70% of the population will be elderly.By 2050, the dependency ratio of Republic of Chad will be 69.3%, and 3.23% of the population will be elderly.
| Sao Tome and Principe | Republic of Chad | ||
|---|---|---|---|
| Demographic dividend (dependency ratio below 50%) | None between 1950 and 2100 | None between 1950 and 2100 | |
| Aging society (65+ reaches 7%) | 2053 | 2085 32 years later | |
| Aged society (65+ reaches 14%) | 2085 | Not reached by 2100 | |
| Super-aged society (65+ reaches 20%) | Not reached by 2100 | Not reached by 2100 |