Comoros vs Sao Tome and Principe: Age dependency ratio
Comoros
70.4%
in 2025
Sao Tome and Principe
70.6%
in 2025
Comoros rank
40th
Sao Tome and Principe rank
38th
Age dependency ratio over time
- Comoros
- Sao Tome and Principe
How they compare
Sao Tome and Principe currently reports 70.6% against 70.4% in Comoros, a difference of 0.2%.
The two have swapped places 3 times across 66 shared years of data; in 1960 it was Comoros ahead.
Comoros ranks 40th and Sao Tome and Principe ranks 38th of 218 countries.
Across the 7 decades both report, Comoros averaged higher in 5 and Sao Tome and Principe in 2.
Head to head by decade
| Decade | Comoros | Sao Tome and Principe | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 90.6% | 80.7% | 9.9% | Comoros |
| 1970s | 102.6% | 100.7% | 2.0% | Comoros |
| 1980s | 104.5% | 96.5% | 7.9% | Comoros |
| 1990s | 106.9% | 95.7% | 11.1% | Comoros |
| 2000s | 96.9% | 86.0% | 10.9% | Comoros |
| 2010s | 79.3% | 82.8% | 3.5% | Sao Tome and Principe |
| 2020s | 72.5% | 73.9% | 1.4% | Sao Tome and Principe |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher age dependency ratio, Comoros or Sao Tome and Principe?
- Sao Tome and Principe, at 70.6% against 70.4% in Comoros as of 2025.
- What is the difference in age dependency ratio between Comoros and Sao Tome and Principe?
- 0.2%, with Sao Tome and Principe ahead.
- How many years of comparable data are there for Comoros and Sao Tome and Principe?
- 66 years are reported by both, from 1960 to 2025.
- How do Comoros and Sao Tome and Principe rank globally for age dependency ratio?
- Comoros ranks 40th 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.