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 108 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

01.0M2.0M3.0M2000201220242000: 1.9M2001: 2.0M2002: 2.1M2003: 2.1M2004: 2.2M2005: 2.2M2006: 2.2M2007: 2.3M2008: 2.5M2009: 2.7M2010: 2.7M2011: 2.7M2012: 2.7M2013: 2.7M2014: 2.6M2015: 2.6M2016: 2.6M2017: 2.6M2018: 2.6M2019: 2.5M2020: 2.5M2021: 2.5M2022: 2.5M2023: 2.4M2024: 2.4M

Source: World Health Organization, Global Health Observatory.

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.

That places Sierra Leone 25th out of 108 countries with data for 2024, putting it 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

Annual values for Estimated number of malaria cases in Sierra Leone, 2000 to 2024.
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%

Averages by decade

DecadeAverage LowestHighest 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

  1. 22 Chad 4.14 million compare
  2. 23 Pakistan 3.15 million compare
  3. 24 South Sudan 3.03 million compare
  4. 26 Togo 2.37 million compare
  5. 27 India 2.01 million compare
  6. 28 Central African Republic 1.83 million compare

See the full ranking of 116 places →

More health data for Sierra Leone

All data for Sierra Leone →

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 World Health Organization, Global Health Observatory.
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 108 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 World Health Organization, Global Health Observatory, published as part of Estimated number of malaria cases. Statizoid updates them automatically from the source API.

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Estimated number of malaria cases in Sierra Leone. Statizoid, drawing on World Health Organization, Global Health Observatory. Retrieved 28 August 2026, from https://health.statizoid.com/stat/estimated-number-of-malaria-cases-2/sierra-leone/

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About this data

Indicator
Estimated number of malaria cases
Source
World Health Organization, Global Health Observatory
Licence
CC BY-NC-SA 3.0 IGO (WHO)
Coverage
116 places, 2,897 data points, 2000–2024
Last refreshed