Age composition in 2026:
๐ธ๐น Sao Tome and Principe
๐ฌ๐ผ Guinea-Bissau
| Sao Tome and Principe | Guinea-Bissau | |
|---|---|---|
| Young Population | 37.16%91,050 | 37.85%869,676 |
| Working Age Population | 58.83%144,144 | 58.87%1,352,783 |
| Elderly Population | 4.00%9,806 | 3.28%75,355 |
In 2026, the median age is 20.7 years in Sao Tome and Principe and 20.6 years in Guinea-Bissau.Sao Tome and Principe already reached Guinea-Bissauโs 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 Guinea-Bissau is projected to keep growing until 2100, reaching 4,665,487.
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 Guinea-Bissau will be 53.3%, and 5.68% of the population will be elderly.
| Sao Tome and Principe | Guinea-Bissau | ||
|---|---|---|---|
| Demographic dividend (dependency ratio below 50%) | None between 1950 and 2100 | 2065โ2073 | |
| Aging society (65+ reaches 7%) | 2053 | 2059 6 years later | |
| Aged society (65+ reaches 14%) | 2085 | 2093 8 years later | |
| Super-aged society (65+ reaches 20%) | Not reached by 2100 | Not reached by 2100 |