Reported cases of measles in Sierra Leone

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

Latest (2024)
129 Cases
Change on year
down 80.0%
World rank
77th
of 210 countries
All-time high
4,327 Cases
in 1983
All-time low
0 Cases
in 2007
Years of data
47
1974–2024

Reported cases of measles in Sierra Leone, 1974–2024

01.0k2.0k3.0k4.0k197419992024

Source: World Health Organization - Global Health Observatory (2026) – with minor processing by Our World in Data. Measured in Cases.

Analysis

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

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 Cases in 1983 and was at its lowest, 0 Cases, in 2007.

That places Sierra Leone 77th out of 210 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.

Averages by decade

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

Countries ranked near Sierra Leone

  1. 75 Netherlands 202 Cases compare
  2. 76 Canada 147 Cases compare
  3. 78 Syria 128 Cases compare
  4. 79 Central African Republic 125 Cases compare
  5. 80 United States 121 Cases 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 Cases in 2024, according to World Health Organization - Global Health Observatory (2026) – with minor processing by Our World in Data.
What is the highest reported cases of measles recorded in Sierra Leone?
The highest recorded value was 4,327 Cases in 1983.
What is the lowest reported cases of measles recorded in Sierra Leone?
The lowest recorded value was 0 Cases in 2007.
How does Sierra Leone rank for reported cases of measles?
Sierra Leone ranks 77th out of 210 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 World Health Organization - Global Health Observatory (2026) – with minor processing by Our World in Data, published as part of Reported cases of measles. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 47 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Reported cases of measles
Unit
Cases
Source
World Health Organization - Global Health Observatory (2026) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
210 places, 9,191 data points, 1974–2024
Last refreshed