Reported cases of measles in Sierra Leone

Sierra Leone: Reported cases of measles was 129 in 2024. ◆ Volatile

Latest (2024)
129
Change on year
down 80.0%
World rank
77th
of 205 countries
All-time high
4,327
in 1983
All-time low
0
in 2007
Years of data
47
1974–2024

Reported cases of measles in Sierra Leone, 1974–2024

01.0k2.0k3.0k4.0k197419992024

Source: Our World in Data.

Analysis

In 2024, reported cases of measles in Sierra Leone stood at 129.

The figure is down 80.0% on the previous year and down 87.2% over ten years.

Over the whole period, reported cases of measles in Sierra Leone peaked at 4,327 in 1983 and was at its lowest, 0, in 2007.

That places Sierra Leone 77th out of 205 countries with data for 2024, putting it in the middle of the range.

The series is highly variable year to year, so single readings are best treated with caution.

Reported cases of measles in Sierra Leone, year by year

Annual values for Reported cases of measles in Sierra Leone, 1974 to 2024.
Year Value Change
1974 1,328
1976 474 -64.3%
1977 534 +12.7%
1978 151 -71.7%
1979 4,102 +2616.6%
1980 3,625 -11.6%
1981 3,408 -6.0%
1982 4,102 +20.4%
1983 4,327 +5.5%
1984 4,016 -7.2%
1985 3,351 -16.6%
1986 164 -95.1%
1987 1,000 +509.8%
1988 207 -79.3%
1989 625 +201.9%
1990 830 +32.8%
1991 284 -65.8%
1992 914 +221.8%
1993 2,288 +150.3%
1994 114 -95.0%
1995 344 +201.8%
1997 361 +4.9%
2000 3,575 +890.3%
2001 649 -81.8%
2002 568 -12.5%
2003 586 +3.2%
2004 7 -98.8%
2005 29 +314.3%
2006 33 +13.8%
2007 0 -100.0%
2008 44
2009 31 -29.5%
2010 1,089 +3412.9%
2011 1,865 +71.3%
2012 678 -63.6%
2013 15 -97.8%
2014 1,006 +6606.7%
2015 607 -39.7%
2016 920 +51.6%
2017 1,873 +103.6%
2018 344 -81.6%
2019 40 -88.4%
2020 17 -57.5%
2021 170 +900.0%
2022 731 +330.0%
2023 645 -11.8%
2024 129 -80.0%

Averages by decade

DecadeAverage LowestHighest Years
1970s 1,318 151 4,102 5
1980s 2,482 164 4,327 10
1990s 733.57 114 2,288 7
2000s 552.2 0 3,575 10
2010s 843.7 15 1,873 10
2020s 338.4 17 731 5

Countries ranked near Sierra Leone

  1. 75 Netherlands 202 compare
  2. 76 Canada 147 compare
  3. 78 Syrian Arab Republic 128 compare
  4. 79 Central African Republic 125 compare
  5. 80 United States of America 121 compare

See the full ranking of 210 places →

More health data for Sierra Leone

All data for Sierra Leone →

Frequently asked questions

What is reported cases of measles in Sierra Leone?
Reported cases of measles in Sierra Leone was 129 in 2024, according to Our World in Data.
What is the highest reported cases of measles recorded in Sierra Leone?
The highest recorded value was 4,327 in 1983.
What is the lowest reported cases of measles recorded in Sierra Leone?
The lowest recorded value was 0 in 2007.
How does Sierra Leone rank for reported cases of measles?
Sierra Leone ranks 77th out of 205 countries with data for 2024.
Is reported cases of measles rising or falling in Sierra Leone?
Over the last ten years it is down 87.2%. The long-run trend across the full record is volatile.
Where does this Sierra Leone data come from?
The figures come from Our World in Data, published as part of Reported cases of measles. Statizoid updates them automatically from the source API.

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Reported cases of measles in Sierra Leone. Statizoid, drawing on Our World in Data. Retrieved 26 August 2026, from https://health.statizoid.com/stat/reported-cases-of-measles/sierra-leone/

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About this data

Indicator
Reported cases of measles
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
210 places, 9,191 data points, 1974–2024
Last refreshed