Sao Tome and Principe vs Sierra Leone: Population ages 0-14
Sao Tome and Principe
37.5%
in 2025
Sierra Leone
37.7%
in 2025
Sao Tome and Principe rank
39th
Sierra Leone rank
36th
Population ages 0-14 over time
- Sao Tome and Principe
- Sierra Leone
How they compare
Sierra Leone currently reports 37.7% against 37.5% in Sao Tome and Principe, a difference of 0.2%.
The two have swapped places 4 times across 66 shared years of data; in 1960 it was Sierra Leone ahead.
Sao Tome and Principe ranks 39th and Sierra Leone ranks 36th of 218 countries.
Across the 7 decades both report, Sao Tome and Principe averaged higher in 4 and Sierra Leone in 3.
Head to head by decade
| Decade | Sao Tome and Principe | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 40.2% | 39.0% | 1.1% | Sao Tome and Principe |
| 1970s | 45.6% | 41.1% | 4.5% | Sao Tome and Principe |
| 1980s | 44.7% | 42.4% | 2.3% | Sao Tome and Principe |
| 1990s | 44.7% | 43.3% | 1.4% | Sao Tome and Principe |
| 2000s | 42.2% | 43.7% | 1.5% | Sierra Leone |
| 2010s | 41.6% | 41.9% | 0.2% | Sierra Leone |
| 2020s | 38.6% | 38.7% | 0.1% | Sierra Leone |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population ages 0-14, Sao Tome and Principe or Sierra Leone?
- Sierra Leone, at 37.7% against 37.5% in Sao Tome and Principe as of 2025.
- What is the difference in population ages 0-14 between Sao Tome and Principe and Sierra Leone?
- 0.2%, with Sierra Leone 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 population ages 0-14?
- Sao Tome and Principe ranks 39th and Sierra Leone ranks 36th of 218 countries.
- Where does this data come from?
- United Nations Population Division. World Population Prospects., United Nations Population Division, published as Population ages 0-14 (% of total population). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Population between the ages 0 to 14 as a percentage of the total population. Population is based on the de facto definition of population.