Measles - number of reported cases in Sierra Leone
Sierra Leone: Measles - number of reported cases was 207 in 2025. ◆ Volatile
Latest (2025)
207
Change on year
up 60.5%
World rank
69th
of 210 countries
All-time high
4,327
in 1983
All-time low
0
in 2007
Years of data
48
1974–2025
Measles - number of reported cases in Sierra Leone, 1974–2025
Source: World Health Organization, Global Health Observatory.
Analysis
The most recent figure for measles - number of reported cases in Sierra Leone is 207, measured in 2025.
Compared with earlier readings it is up 60.5% on the previous year and down 65.9% over ten years.
Over the whole period, measles - number of reported cases in Sierra Leone peaked at 4,327 in 1983 and was at its lowest, 0, in 2007.
That places Sierra Leone 69th out of 210 countries with data for 2025, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Measles - number of reported cases 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% |
| 2025 | 207 | +60.5% |
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 | 316.5 | 17 | 731 | 6 |
Countries ranked near Sierra Leone
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)
- Heat deaths vs projected death rates 1,199 (2090)
- Un projection of annual infant deaths 4,209 (2100)
- Population ages 0-14, female, annual growth rate 0.8723 % change on previous year (2025)
- Population ages 0-14, female, per unit of GDP 0.0002 units per US$ of GDP (2025)
- Population ages 0-14, female, per capita 0.1868 units per person (2025)
- Population ages 0-14, male, annual growth rate 0.8951 % change on previous year (2025)
- Population ages 0-14, male, per unit of GDP 0.0002 units per US$ of GDP (2025)
- Population ages 0-14, male, per capita 0.1897 units per person (2025)
Frequently asked questions
- What is measles - number of reported cases in Sierra Leone?
- Measles - number of reported cases in Sierra Leone was 207 in 2025, according to World Health Organization, Global Health Observatory.
- What is the highest measles - number of reported cases recorded in Sierra Leone?
- The highest recorded value was 4,327 in 1983.
- What is the lowest measles - number of reported cases recorded in Sierra Leone?
- The lowest recorded value was 0 in 2007.
- How does Sierra Leone rank for measles - number of reported cases?
- Sierra Leone ranks 69th out of 210 countries with data for 2025.
- Is measles - number of reported cases rising or falling in Sierra Leone?
- Over the last ten years it is down 65.9%. 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, published as part of Measles - number of reported cases. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 48 observations, free to reuse under CC BY-NC-SA 3.0 IGO (WHO).