Measles - number of reported cases, per square kilometre in Sierra Leone
Sierra Leone: Measles - number of reported cases, per square kilometre was 0.0089 units per square kilometre in 2023. ◆ Volatile
Measles - number of reported cases, per square kilometre in Sierra Leone, 1974–2023
Source: Statizoid (derived). Measured in units per square kilometre.
Analysis
Sierra Leone recorded 0.0089 units per square kilometre for measles - number of reported cases, per square kilometre in 2023.
The figure is down 11.8% on the previous year and up 4,200.0% over ten years.
Over the whole period, measles - number of reported cases, per square kilometre in Sierra Leone peaked at 0.0599 units per square kilometre in 1983 and was at its lowest, 0 units per square kilometre, in 2007.
Sierra Leone ranks 31st of 204 countries on this measure, in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Measles - number of reported cases, per square kilometre in Sierra Leone, year by year
| Year | units per square kilometre | Change |
|---|---|---|
| 1974 | 0.0184 units per square kilometre | — |
| 1976 | 0.0066 units per square kilometre | -64.3% |
| 1977 | 0.0074 units per square kilometre | +12.7% |
| 1978 | 0.0021 units per square kilometre | -71.7% |
| 1979 | 0.0568 units per square kilometre | +2616.6% |
| 1980 | 0.0502 units per square kilometre | -11.6% |
| 1981 | 0.0472 units per square kilometre | -6.0% |
| 1982 | 0.0568 units per square kilometre | +20.4% |
| 1983 | 0.0599 units per square kilometre | +5.5% |
| 1984 | 0.0556 units per square kilometre | -7.2% |
| 1985 | 0.0464 units per square kilometre | -16.6% |
| 1986 | 0.0023 units per square kilometre | -95.1% |
| 1987 | 0.0139 units per square kilometre | +509.8% |
| 1988 | 0.0029 units per square kilometre | -79.3% |
| 1989 | 0.0087 units per square kilometre | +201.9% |
| 1990 | 0.0115 units per square kilometre | +32.8% |
| 1991 | 0.0039 units per square kilometre | -65.8% |
| 1992 | 0.0127 units per square kilometre | +221.8% |
| 1993 | 0.0317 units per square kilometre | +150.3% |
| 1994 | 0.0016 units per square kilometre | -95.0% |
| 1995 | 0.0048 units per square kilometre | +201.8% |
| 1997 | 0.005 units per square kilometre | +4.9% |
| 2000 | 0.0495 units per square kilometre | +890.3% |
| 2001 | 0.009 units per square kilometre | -81.8% |
| 2002 | 0.0079 units per square kilometre | -12.5% |
| 2003 | 0.0081 units per square kilometre | +3.2% |
| 2004 | 0.0001 units per square kilometre | -98.8% |
| 2005 | 0.0004 units per square kilometre | +314.3% |
| 2006 | 0.0005 units per square kilometre | +13.8% |
| 2007 | 0 units per square kilometre | -100.0% |
| 2008 | 0.0006 units per square kilometre | — |
| 2009 | 0.0004 units per square kilometre | -29.5% |
| 2010 | 0.0151 units per square kilometre | +3412.9% |
| 2011 | 0.0258 units per square kilometre | +71.3% |
| 2012 | 0.0094 units per square kilometre | -63.6% |
| 2013 | 0.0002 units per square kilometre | -97.8% |
| 2014 | 0.0139 units per square kilometre | +6606.7% |
| 2015 | 0.0084 units per square kilometre | -39.7% |
| 2016 | 0.0127 units per square kilometre | +51.6% |
| 2017 | 0.0259 units per square kilometre | +103.6% |
| 2018 | 0.0048 units per square kilometre | -81.6% |
| 2019 | 0.0006 units per square kilometre | -88.4% |
| 2020 | 0.0002 units per square kilometre | -57.5% |
| 2021 | 0.0024 units per square kilometre | +900.0% |
| 2022 | 0.0101 units per square kilometre | +330.0% |
| 2023 | 0.0089 units per square kilometre | -11.8% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 0.0183 units per square kilometre | 0.0021 units per square kilometre | 0.0568 units per square kilometre | 5 |
| 1980s | 0.0344 units per square kilometre | 0.0023 units per square kilometre | 0.0599 units per square kilometre | 10 |
| 1990s | 0.0102 units per square kilometre | 0.0016 units per square kilometre | 0.0317 units per square kilometre | 7 |
| 2000s | 0.0077 units per square kilometre | 0 units per square kilometre | 0.0495 units per square kilometre | 10 |
| 2010s | 0.0117 units per square kilometre | 0.0002 units per square kilometre | 0.0259 units per square kilometre | 10 |
| 2020s | 0.0054 units per square kilometre | 0.0002 units per square kilometre | 0.0101 units per square kilometre | 4 |
Countries ranked near Sierra Leone
- 28 Equatorial Guinea 0.0096 units per square kilometre compare
- 29 Indonesia 0.0095 units per square kilometre compare
- 30 Chad 0.0094 units per square kilometre compare
- 32 Zambia 0.0076 units per square kilometre compare
- 33 United Arab Emirates 0.0068 units per square kilometre compare
- 34 Nepal 0.0067 units per square kilometre 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)
- Estimated changes in temperature-related death rates compared to projected death rates 1,199 deaths per 1,000 people (2090)
- Number of infants who die before age 1 4,209 deaths (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)
Frequently asked questions
- What is measles - number of reported cases, per square kilometre in Sierra Leone?
- Measles - number of reported cases, per square kilometre in Sierra Leone was 0.0089 units per square kilometre in 2023, according to Statizoid (derived).
- What is the highest measles - number of reported cases, per square kilometre recorded in Sierra Leone?
- The highest recorded value was 0.0599 units per square kilometre in 1983.
- What is the lowest measles - number of reported cases, per square kilometre recorded in Sierra Leone?
- The lowest recorded value was 0 units per square kilometre in 2007.
- How does Sierra Leone rank for measles - number of reported cases, per square kilometre?
- Sierra Leone ranks 31st out of 204 countries with data for 2023.
- Is measles - number of reported cases, per square kilometre rising or falling in Sierra Leone?
- Over the last ten years it is up 4,200.0%. The long-run trend across the full record is volatile.
- Where does this Sierra Leone data come from?
- The figures come from Statizoid (derived), published as part of Measles - number of reported cases, per square kilometre. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 46 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
Measles - number of reported cases divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.
Measles - number of reported cases ÷ Land area (sq. km)
Computed from
- Measles - number of reported cases World Health Organization, Global Health Observatory
- Land area FAOSTAT, Food and Agriculture Organization of the United Nations (FAO)
Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.
About this data
Measles - number of reported cases divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.