Sao Tome and Principe vs Sierra Leone: Age dependency ratio, young
Sao Tome and Principe
63.9%
in 2025
Sierra Leone
63.7%
in 2025
Sao Tome and Principe rank
38th
Sierra Leone rank
39th
Age dependency ratio, young over time
- Sao Tome and Principe
- Sierra Leone
How they compare
Sao Tome and Principe currently reports 63.9% against 63.7% in Sierra Leone, a difference of 0.2%.
The two have swapped places 5 times across 66 shared years of data; in 1960 it was Sierra Leone ahead.
Sao Tome and Principe ranks 38th and Sierra Leone ranks 39th of 218 countries.
Across the 7 decades both report, Sao Tome and Principe averaged higher in 5 and Sierra Leone in 2.
Head to head by decade
| Decade | Sao Tome and Principe | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 73.2% | 68.5% | 4.7% | Sao Tome and Principe |
| 1970s | 91.5% | 75.2% | 16.3% | Sao Tome and Principe |
| 1980s | 87.9% | 79.2% | 8.6% | Sao Tome and Principe |
| 1990s | 87.5% | 81.9% | 5.6% | Sao Tome and Principe |
| 2000s | 78.5% | 82.8% | 4.3% | Sierra Leone |
| 2010s | 76.1% | 76.3% | 0.2% | Sierra Leone |
| 2020s | 67.2% | 66.8% | 0.4% | Sao Tome and Principe |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher age dependency ratio, young, Sao Tome and Principe or Sierra Leone?
- Sao Tome and Principe, at 63.9% against 63.7% in Sierra Leone as of 2025.
- What is the difference in age dependency ratio, young between Sao Tome and Principe and Sierra Leone?
- 0.2%, with Sao Tome and Principe ahead.
- How many years of comparable data are there for Sao Tome and Principe and Sierra Leone?
- 66 years are reported by both, from 1960 to 2025.
- How do Sao Tome and Principe and Sierra Leone rank globally for age dependency ratio, young?
- Sao Tome and Principe ranks 38th and Sierra Leone ranks 39th of 218 countries.
- Where does this data come from?
- World Population Prospects, United Nations (UN), publisher: UN Population Division, published as Age dependency ratio, young (% 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, young, is the ratio of younger dependents--people younger than 15--to the working-age population--those ages 15-64. Data are shown as the proportion of dependents per 100 working-age population.