Nigeria vs Sierra Leone: Population ages 0-14, total, annual growth rate
Nigeria
0.8538 % change on previous year
in 2025
Sierra Leone
0.8834 % change on previous year
in 2025
Nigeria rank
57th
Sierra Leone rank
55th
Population ages 0-14, total, annual growth rate over time
- Nigeria
- Sierra Leone
How they compare
Sierra Leone currently reports 0.8834 % change on previous year against 0.8538 % change on previous year in Nigeria, a difference of 0.0296 % change on previous year.
The two have swapped places 9 times across 65 shared years of data; in 1961 it was Nigeria ahead.
Nigeria ranks 57th and Sierra Leone ranks 55th of 217 countries.
Across the 7 decades both report, Nigeria averaged higher in 5 and Sierra Leone in 2.
Head to head by decade
| Decade | Nigeria | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 2.45 % change on previous year | 2.34 % change on previous year | 0.1082 % change on previous year | Nigeria |
| 1970s | 3.26 % change on previous year | 2.31 % change on previous year | 0.951 % change on previous year | Nigeria |
| 1980s | 3.07 % change on previous year | 2.57 % change on previous year | 0.5024 % change on previous year | Nigeria |
| 1990s | 2.29 % change on previous year | 0.8987 % change on previous year | 1.39 % change on previous year | Nigeria |
| 2000s | 2.92 % change on previous year | 3.36 % change on previous year | 0.4346 % change on previous year | Sierra Leone |
| 2010s | 2.34 % change on previous year | 1.7 % change on previous year | 0.6347 % change on previous year | Nigeria |
| 2020s | 1.02 % change on previous year | 1.11 % change on previous year | 0.0864 % change on previous year | Sierra Leone |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population ages 0-14, total, annual growth rate, Nigeria or Sierra Leone?
- Sierra Leone, at 0.8834 % change on previous year against 0.8538 % change on previous year in Nigeria as of 2025.
- What is the difference in population ages 0-14, total, annual growth rate between Nigeria and Sierra Leone?
- 0.0296 % change on previous year, with Sierra Leone ahead.
- How many years of comparable data are there for Nigeria and Sierra Leone?
- 65 years are reported by both, from 1961 to 2025.
- How do Nigeria and Sierra Leone rank globally for population ages 0-14, total, annual growth rate?
- Nigeria ranks 57th and Sierra Leone ranks 55th of 217 countries.
- Where does this data come from?
- Statizoid (derived), published as Population ages 0-14, total, annual growth rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
The year-on-year percentage change in Population ages 0-14, total. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.