Guinea-Bissau vs Sao Tome and Principe: Age dependency ratio
Guinea-Bissau
71.1%
in 2025
Sao Tome and Principe
70.6%
in 2025
Guinea-Bissau rank
36th
Sao Tome and Principe rank
38th
Age dependency ratio over time
- Guinea-Bissau
- Sao Tome and Principe
How they compare
Guinea-Bissau currently reports 71.1% against 70.6% in Sao Tome and Principe, a difference of 0.5%.
The two have swapped places 4 times across 66 shared years of data; in 1960 it was Guinea-Bissau ahead.
Guinea-Bissau ranks 36th and Sao Tome and Principe ranks 38th of 218 countries.
Across the 7 decades both report, Guinea-Bissau averaged higher in 4 and Sao Tome and Principe in 3.
Head to head by decade
| Decade | Guinea-Bissau | Sao Tome and Principe | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 78.8% | 80.7% | 1.9% | Sao Tome and Principe |
| 1970s | 89.8% | 100.7% | 10.9% | Sao Tome and Principe |
| 1980s | 102.8% | 96.5% | 6.3% | Guinea-Bissau |
| 1990s | 98.8% | 95.7% | 3.1% | Guinea-Bissau |
| 2000s | 89.3% | 86.0% | 3.3% | Guinea-Bissau |
| 2010s | 82.1% | 82.8% | 0.7% | Sao Tome and Principe |
| 2020s | 74.2% | 73.9% | 0.3% | Guinea-Bissau |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher age dependency ratio, Guinea-Bissau or Sao Tome and Principe?
- Guinea-Bissau, at 71.1% against 70.6% in Sao Tome and Principe as of 2025.
- What is the difference in age dependency ratio between Guinea-Bissau and Sao Tome and Principe?
- 0.5%, with Guinea-Bissau ahead.
- How many years of comparable data are there for Guinea-Bissau and Sao Tome and Principe?
- 66 years are reported by both, from 1960 to 2025.
- How do Guinea-Bissau and Sao Tome and Principe rank globally for age dependency ratio?
- Guinea-Bissau ranks 36th and Sao Tome and Principe ranks 38th of 218 countries.
- Where does this data come from?
- World Population Prospects, United Nations (UN), publisher: UN Population Division, published as Age dependency ratio (% of working-age population). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Age dependency ratio is the ratio of dependents--people younger than 15 or older than 64--to the working-age population--those ages 15-64. Data are shown as the proportion of dependents per 100 working-age population.