Japan vs Sierra Leone: Total dependency ratio
Japan
69.9%
in 2023
Sierra Leone
71.6%
in 2023
Japan rank
47th
Sierra Leone rank
44th
Total dependency ratio over time
- Japan
- Sierra Leone
How they compare
Sierra Leone currently reports 71.6% against 69.9% in Japan, a difference of 1.7%.
Across all 74 years both countries report, Sierra Leone has been ahead every year.
Japan ranks 47th and Sierra Leone ranks 44th of 236 countries.
Sierra Leone has averaged higher in every one of the 8 decades both report.
Head to head by decade
| Decade | Japan | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1950s | 62.2% | 72.6% | 10.4% | Sierra Leone |
| 1960s | 47.8% | 75.5% | 27.7% | Sierra Leone |
| 1970s | 46.0% | 82.8% | 36.8% | Sierra Leone |
| 1980s | 46.8% | 86.8% | 40.0% | Sierra Leone |
| 1990s | 43.8% | 89.0% | 45.2% | Sierra Leone |
| 2000s | 51.4% | 89.2% | 37.9% | Sierra Leone |
| 2010s | 64.3% | 82.1% | 17.9% | Sierra Leone |
| 2020s | 70.0% | 73.5% | 3.5% | Sierra Leone |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher total dependency ratio, Japan or Sierra Leone?
- Sierra Leone, at 71.6% against 69.9% in Japan as of 2023.
- What is the difference in total dependency ratio between Japan and Sierra Leone?
- 1.7%, with Sierra Leone ahead.
- How many years of comparable data are there for Japan and Sierra Leone?
- 74 years are reported by both, from 1950 to 2023.
- How do Japan and Sierra Leone rank globally for total dependency ratio?
- Japan ranks 47th and Sierra Leone ranks 44th of 236 countries.
- Where does this data come from?
- UN, World Population Prospects (2024) – processed by Our World in Data, published as Total dependency ratio. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
The number of children (under 15) and people aged 65 and over per 100 working-age people (aged 15 to 64).