Estimated number of malaria cases in Sierra Leone
Sierra Leone: Estimated number of malaria cases was 2.44 million in 2024. ▲ Rising
Latest (2024)
2.44 million
Change on year
up 1.6%
World rank
25th
of 109 countries
All-time high
2.73 million
in 2011
All-time low
1.88 million
in 2000
Years of data
25
2000–2024
Estimated number of malaria cases in Sierra Leone, 2000–2024
Source: Our World in Data.
Analysis
The most recent figure for estimated number of malaria cases in Sierra Leone is 2.44 million, measured in 2024.
Compared with earlier readings it is up 1.6% on the previous year and down 6.6% over ten years.
Over the whole period, estimated number of malaria cases in Sierra Leone peaked at 2.73 million in 2011 and was at its lowest, 1.88 million, in 2000.
Sierra Leone ranks 25th of 109 countries on this measure, in the top quarter.
The long-run direction has been consistently rising across the 25 years of available data.
Estimated number of malaria cases in Sierra Leone, year by year
| Year | Value | Change |
|---|---|---|
| 2000 | 1.88 million | — |
| 2001 | 1.99 million | +6.2% |
| 2002 | 2.12 million | +6.1% |
| 2003 | 2.15 million | +1.4% |
| 2004 | 2.17 million | +1.2% |
| 2005 | 2.21 million | +1.7% |
| 2006 | 2.24 million | +1.3% |
| 2007 | 2.33 million | +4.1% |
| 2008 | 2.52 million | +8.1% |
| 2009 | 2.69 million | +7.0% |
| 2010 | 2.73 million | +1.3% |
| 2011 | 2.73 million | +0.0% |
| 2012 | 2.71 million | -0.9% |
| 2013 | 2.66 million | -1.8% |
| 2014 | 2.62 million | -1.7% |
| 2015 | 2.59 million | -1.0% |
| 2016 | 2.62 million | +1.2% |
| 2017 | 2.59 million | -1.3% |
| 2018 | 2.57 million | -0.5% |
| 2019 | 2.49 million | -3.3% |
| 2020 | 2.48 million | -0.5% |
| 2021 | 2.48 million | -0.1% |
| 2022 | 2.47 million | -0.3% |
| 2023 | 2.40 million | -2.6% |
| 2024 | 2.44 million | +1.6% |
Sierra Leone compared with similar countries
- Sierra Leone's 2.44 million is below the median for low income countries, which is 3.03 million, 80% of the median. (25 countries reporting)
- Sierra Leone's 2.44 million is below the median for Sub-Saharan Africa, which is 3.03 million, 80% of the median. (45 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 2.23 million | 1.88 million | 2.69 million | 10 |
| 2010s | 2.63 million | 2.49 million | 2.73 million | 10 |
| 2020s | 2.45 million | 2.40 million | 2.48 million | 5 |
Countries ranked near Sierra Leone
More health data for Sierra Leone
- Un projection of annual infant deaths, annual growth rate -2.34 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.773 % change on previous year (2090)
- Un projection of annual infant deaths 4,209 (2100)
- Neonatal tetanus - number of reported cases, gaps filled 38 (2025)
- Population ages 00-04, female, annual growth rate 0.6447 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0.0001 units per US$ of GDP (2025)
- Population ages 00-04, female, per capita 0.0663 units per person (2025)
- Population ages 00-04, male, annual growth rate 0.6611 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0.0001 units per US$ of GDP (2025)
- Population ages 00-04, male, per capita 0.0676 units per person (2025)
Frequently asked questions
- What is estimated number of malaria cases in Sierra Leone?
- Estimated number of malaria cases in Sierra Leone was 2.44 million in 2024, according to Our World in Data.
- What is the highest estimated number of malaria cases recorded in Sierra Leone?
- The highest recorded value was 2.73 million in 2011.
- What is the lowest estimated number of malaria cases recorded in Sierra Leone?
- The lowest recorded value was 1.88 million in 2000.
- How does Sierra Leone rank for estimated number of malaria cases?
- Sierra Leone ranks 25th out of 109 countries with data for 2024.
- Is estimated number of malaria cases rising or falling in Sierra Leone?
- Over the last ten years it is down 6.6%. The long-run trend across the full record is rising.
- Where does this Sierra Leone data come from?
- The figures come from Our World in Data, published as part of Estimated number of malaria cases. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 25 observations, free to reuse under CC BY 4.0 (Our World in Data).