Japan vs Sierra Leone: Population ages 15-64
Japan
58.8%
in 2025
Sierra Leone
59.1%
in 2025
Japan rank
178th
Sierra Leone rank
175th
Population ages 15-64 over time
- Japan
- Sierra Leone
How they compare
Sierra Leone currently reports 59.1% against 58.8% in Japan, a difference of 0.3%.
The two have swapped places 1 time across 66 shared years of data; in 1960 it was Japan ahead.
Japan ranks 178th and Sierra Leone ranks 175th of 218 countries.
Japan has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Japan | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 67.7% | 57.0% | 10.7% | Japan |
| 1970s | 68.5% | 54.7% | 13.8% | Japan |
| 1980s | 68.1% | 53.5% | 14.6% | Japan |
| 1990s | 69.5% | 52.9% | 16.6% | Japan |
| 2000s | 66.1% | 52.9% | 13.2% | Japan |
| 2010s | 60.9% | 54.9% | 6.0% | Japan |
| 2020s | 58.8% | 58.1% | 0.7% | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population ages 15-64, Japan or Sierra Leone?
- Sierra Leone, at 59.1% against 58.8% in Japan as of 2025.
- What is the difference in population ages 15-64 between Japan and Sierra Leone?
- 0.3%, with Sierra Leone ahead.
- How many years of comparable data are there for Japan and Sierra Leone?
- 66 years are reported by both, from 1960 to 2025.
- How do Japan and Sierra Leone rank globally for population ages 15-64?
- Japan ranks 178th and Sierra Leone ranks 175th of 218 countries.
- Where does this data come from?
- World Population Prospects, United Nations (UN), publisher: UN Population Division, published as Population ages 15-64 (% of total population). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Total population between the ages 15 to 64 as a percentage of the total population. Population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship.