Number of suspected malaria cases in Sierra Leone

Sierra Leone: Number of suspected malaria cases was 3.49 million in 2024. ▲ Rising

Latest (2024)
3.49 million
Change on year
up 8.4%
World rank
30th
of 100 countries
All-time high
4.17 million
in 2019
All-time low
1.86 million
in 2020
Years of data
10
2015–2024

Number of suspected malaria cases in Sierra Leone, 2015–2024

01.0M2.0M3.0M4.0M2015201920242015: 2.3M2016: 3.0M2017: 2.9M2018: 2.9M2019: 4.2M2020: 1.9M2021: 3.2M2022: 3.0M2023: 3.2M2024: 3.5M

Source: World Health Organization, Global Health Observatory.

Analysis

In 2024, number of suspected malaria cases in Sierra Leone stood at 3.49 million.

The figure is up 8.4% on the previous year and up 49.3% over ten years.

Over the whole period, number of suspected malaria cases in Sierra Leone peaked at 4.17 million in 2019 and was at its lowest, 1.86 million, in 2020.

Sierra Leone ranks 30th of 100 countries on this measure, in the middle of the range.

Number of suspected malaria cases in Sierra Leone, year by year

Annual values for Number of suspected malaria cases in Sierra Leone, 2015 to 2024.
Year Value Change
2015 2.34 million
2016 3.00 million +28.2%
2017 2.94 million -2.1%
2018 2.90 million -1.4%
2019 4.17 million +44.0%
2020 1.86 million -55.4%
2021 3.17 million +70.7%
2022 2.98 million -6.1%
2023 3.22 million +8.1%
2024 3.49 million +8.4%

Averages by decade

DecadeAverage LowestHighest Years
2010s 3.07 million 2.34 million 4.17 million 5
2020s 2.94 million 1.86 million 3.49 million 5

Countries ranked near Sierra Leone

  1. 27 Sudan 3.92 million compare
  2. 28 Togo 3.74 million compare
  3. 29 Benin 3.70 million compare
  4. 31 Myanmar 2.69 million compare
  5. 32 Senegal 2.66 million compare
  6. 33 Papua New Guinea 1.88 million compare

See the full ranking of 108 places →

More health data for Sierra Leone

All data for Sierra Leone →

Frequently asked questions

What is number of suspected malaria cases in Sierra Leone?
Number of suspected malaria cases in Sierra Leone was 3.49 million in 2024, according to World Health Organization, Global Health Observatory.
What is the highest number of suspected malaria cases recorded in Sierra Leone?
The highest recorded value was 4.17 million in 2019.
What is the lowest number of suspected malaria cases recorded in Sierra Leone?
The lowest recorded value was 1.86 million in 2020.
How does Sierra Leone rank for number of suspected malaria cases?
Sierra Leone ranks 30th out of 100 countries with data for 2024.
Is number of suspected malaria cases rising or falling in Sierra Leone?
Over the last ten years it is up 49.3%. The long-run trend across the full record is rising.
Where does this Sierra Leone data come from?
The figures come from World Health Organization, Global Health Observatory, published as part of Number of suspected malaria cases. Statizoid updates them automatically from the source API.

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Number of suspected malaria cases in Sierra Leone. Statizoid, drawing on World Health Organization, Global Health Observatory. Retrieved 28 August 2026, from https://health.statizoid.com/stat/number-of-suspected-malaria-cases/sierra-leone/

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About this data

Indicator
Number of suspected malaria cases
Source
World Health Organization, Global Health Observatory
Licence
CC BY-NC-SA 3.0 IGO (WHO)
Coverage
108 places, 1,002 data points, 2015–2024
Last refreshed