Nigeria vs Sierra Leone: New cases of malaria per 1,000 people at risk
Nigeria
294.25 per 1,000 population at risk
in 2024
Sierra Leone
282.67 per 1,000 population at risk
in 2024
Nigeria rank
10th
Sierra Leone rank
12th
New cases of malaria per 1,000 people at risk over time
- Nigeria
- Sierra Leone
How they compare
Nigeria currently reports 294.25 per 1,000 population at risk against 282.67 per 1,000 population at risk in Sierra Leone, a difference of 11.58 per 1,000 population at risk.
The two have swapped places 3 times across 25 shared years of data; in 2000 it was Sierra Leone ahead.
Nigeria ranks 10th and Sierra Leone ranks 12th of 107 countries.
Across the 3 decades both report, Nigeria averaged higher in 1 and Sierra Leone in 2.
Head to head by decade
| Decade | Nigeria | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 393.73 per 1,000 population at risk | 417.1 per 1,000 population at risk | 23.38 per 1,000 population at risk | Sierra Leone |
| 2010s | 304.63 per 1,000 population at risk | 380.1 per 1,000 population at risk | 75.47 per 1,000 population at risk | Sierra Leone |
| 2020s | 299.18 per 1,000 population at risk | 296.77 per 1,000 population at risk | 2.4 per 1,000 population at risk | Nigeria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher new cases of malaria per 1,000 people at risk, Nigeria or Sierra Leone?
- Nigeria, at 294.25 per 1,000 population at risk against 282.67 per 1,000 population at risk in Sierra Leone as of 2024.
- What is the difference in new cases of malaria per 1,000 people at risk between Nigeria and Sierra Leone?
- 11.58 per 1,000 population at risk, with Nigeria ahead.
- How many years of comparable data are there for Nigeria and Sierra Leone?
- 25 years are reported by both, from 2000 to 2024.
- How do Nigeria and Sierra Leone rank globally for new cases of malaria per 1,000 people at risk?
- Nigeria ranks 10th and Sierra Leone ranks 12th of 107 countries.
- Where does this data come from?
- World Health Organization (Global Health Observatory), via World Bank (2026) – processed by Our World in Data, published as New cases of malaria per 1,000 people at risk. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Malaria is a life-threatening disease caused by parasites that are transmitted by certain types of mosquitoes.