Japan vs Sierra Leone: Population ages 15-64, total, per capita
Japan
0.5877 units per person
in 2025
Sierra Leone
0.5907 units per person
in 2025
Japan rank
177th
Sierra Leone rank
174th
Population ages 15-64, total, per capita over time
- Japan
- Sierra Leone
How they compare
Sierra Leone currently reports 0.5907 units per person against 0.5877 units per person in Japan, a difference of 0.003 units per person.
The two have swapped places 1 time across 66 shared years of data; in 1960 it was Japan ahead.
Japan ranks 177th and Sierra Leone ranks 174th of 217 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 | 0.6772 units per person | 0.5699 units per person | 0.1073 units per person | Japan |
| 1970s | 0.6849 units per person | 0.547 units per person | 0.1379 units per person | Japan |
| 1980s | 0.6814 units per person | 0.5353 units per person | 0.146 units per person | Japan |
| 1990s | 0.6953 units per person | 0.5291 units per person | 0.1663 units per person | Japan |
| 2000s | 0.6608 units per person | 0.5285 units per person | 0.1323 units per person | Japan |
| 2010s | 0.6088 units per person | 0.5492 units per person | 0.0595 units per person | Japan |
| 2020s | 0.5878 units per person | 0.5806 units per person | 0.0072 units per person | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population ages 15-64, total, per capita, Japan or Sierra Leone?
- Sierra Leone, at 0.5907 units per person against 0.5877 units per person in Japan as of 2025.
- What is the difference in population ages 15-64, total, per capita between Japan and Sierra Leone?
- 0.003 units per person, 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, total, per capita?
- Japan ranks 177th and Sierra Leone ranks 174th of 217 countries.
- Where does this data come from?
- Statizoid (derived), published as Population ages 15-64, total, per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Population ages 15-64, total divided by Population, total, matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.