Nigeria vs Sierra Leone: Annual death rates at different ages
Nigeria
73.33 deaths per 1,000 people
in 2023
Sierra Leone
75.54 deaths per 1,000 people
in 2023
Nigeria rank
2nd
Sierra Leone rank
1st
Annual death rates at different ages over time
- Nigeria
- Sierra Leone
How they compare
Sierra Leone currently reports 75.54 deaths per 1,000 people against 73.33 deaths per 1,000 people in Nigeria, a difference of 2.21 deaths per 1,000 people.
Across all 74 years both countries report, Sierra Leone has been ahead every year.
Nigeria ranks 2nd and Sierra Leone ranks 1st 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 | 178.69 deaths per 1,000 people | 252.54 deaths per 1,000 people | 73.85 deaths per 1,000 people | Sierra Leone |
| 1960s | 169.15 deaths per 1,000 people | 227.42 deaths per 1,000 people | 58.27 deaths per 1,000 people | Sierra Leone |
| 1970s | 147.98 deaths per 1,000 people | 202.81 deaths per 1,000 people | 54.83 deaths per 1,000 people | Sierra Leone |
| 1980s | 129.91 deaths per 1,000 people | 184.18 deaths per 1,000 people | 54.27 deaths per 1,000 people | Sierra Leone |
| 1990s | 125.88 deaths per 1,000 people | 170.14 deaths per 1,000 people | 44.26 deaths per 1,000 people | Sierra Leone |
| 2000s | 104.29 deaths per 1,000 people | 141.15 deaths per 1,000 people | 36.86 deaths per 1,000 people | Sierra Leone |
| 2010s | 86.7 deaths per 1,000 people | 101.58 deaths per 1,000 people | 14.88 deaths per 1,000 people | Sierra Leone |
| 2020s | 76.23 deaths per 1,000 people | 79.41 deaths per 1,000 people | 3.18 deaths per 1,000 people | Sierra Leone |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual death rates at different ages, Nigeria or Sierra Leone?
- Sierra Leone, at 75.54 deaths per 1,000 people against 73.33 deaths per 1,000 people in Nigeria as of 2023.
- What is the difference in annual death rates at different ages between Nigeria and Sierra Leone?
- 2.21 deaths per 1,000 people, 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 annual death rates at different ages?
- Nigeria ranks 2nd and Sierra Leone ranks 1st of 236 countries.
- Where does this data come from?
- Human Mortality Database (2025); UN, World Population Prospects (2024) – with minor processing by Our World in Data, published as Annual death rates at different ages. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Death rate, calculated as the number of deaths divided by the average number of people alive during the interval.