Nigeria vs Sierra Leone: Old-age dependency ratio
Nigeria
5.5%
in 2023
Sierra Leone
5.5%
in 2023
Nigeria rank
206th
Sierra Leone rank
205th
Old-age dependency ratio over time
- Nigeria
- Sierra Leone
How they compare
Sierra Leone currently reports 5.5% against 5.5% in Nigeria, a difference of 0.0%.
The two have swapped places 1 time across 74 shared years of data; in 1950 it was Nigeria ahead.
Nigeria ranks 206th and Sierra Leone ranks 205th of 236 countries.
Sierra Leone has averaged higher in every one of the 8 decades both report.
Head to head by decade
| Decade | Nigeria | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1950s | 5.7% | 5.9% | 0.2% | Sierra Leone |
| 1960s | 6.1% | 7.0% | 0.9% | Sierra Leone |
| 1970s | 6.0% | 7.6% | 1.6% | Sierra Leone |
| 1980s | 6.1% | 7.6% | 1.5% | Sierra Leone |
| 1990s | 5.9% | 7.1% | 1.2% | Sierra Leone |
| 2000s | 5.7% | 6.4% | 0.7% | Sierra Leone |
| 2010s | 5.6% | 5.8% | 0.2% | Sierra Leone |
| 2020s | 5.5% | 5.5% | 0.0% | Sierra Leone |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher old-age dependency ratio, Nigeria or Sierra Leone?
- Sierra Leone, at 5.5% against 5.5% in Nigeria as of 2023.
- What is the difference in old-age dependency ratio between Nigeria and Sierra Leone?
- 0.0%, with Sierra Leone ahead.
- How many years of comparable data are there for Nigeria and Sierra Leone?
- 74 years are reported by both, from 1950 to 2023.
- How do Nigeria and Sierra Leone rank globally for old-age dependency ratio?
- Nigeria ranks 206th and Sierra Leone ranks 205th of 236 countries.
- Where does this data come from?
- UN, World Population Prospects (2024) β processed by Our World in Data, published as Old-age dependency ratio. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Number of people aged 65 and over per 100 working-age people (aged 15 to 64).