Reported cases of measles in Sierra Leone
Sierra Leone: Reported cases of measles was 129 in 2024. ◆ Volatile
Reported cases of measles in Sierra Leone, 1974–2024
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 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.
Reported cases of measles in Sierra Leone, year by year
| 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% |
Sierra Leone compared with similar countries
- Sierra Leone's 129 is below the median for low income countries, which is 1,237, 10% of the median. (25 countries reporting)
- Sierra Leone's 129 is below the median for Sub-Saharan Africa, which is 551, 23% of the median. (48 countries reporting)
Biggest year-on-year movements
Years where Reported cases of measles in Sierra Leone changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2014 | +6606.7% | 15 | 1,006 |
| 2010 | +3412.9% | 31 | 1,089 |
| 1979 | +2616.6% | 151 | 4,102 |
| 2021 | +900.0% | 17 | 170 |
| 2000 | +890.3% | 361 | 3,575 |
Averages by decade
| Decade | Average | Lowest | Highest | 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
- 75 Netherlands 202 compare
- 76 Canada 147 compare
- 78 Syria 128 compare
- 79 Central African Republic 125 compare
- 80 United States 121 compare
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 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 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 Our World in Data, published as part of Reported cases of measles. Statizoid updates them automatically from the source API.
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