Cholera case-fatality rate in Sierra Leone
Sierra Leone: Cholera case-fatality rate was 8.5% in 2013. ◆ Volatile
Cholera case-fatality rate in Sierra Leone, 1970–2013
Source: World Health Organization - Global Health Observatory (2026); World Health Organization (2023) – with minor processing by Our World in Data. Measured in %.
Analysis
In 2013, cholera case-fatality rate in Sierra Leone stood at 8.5%.
Compared with earlier readings it is up 558.1% on the previous year and up 3.7% over ten years.
Over the whole period, cholera case-fatality rate in Sierra Leone peaked at 25.3% in 1970 and was at its lowest, 0.0%, in 1977.
That places Sierra Leone 5th out of 114 countries with data for 2013, putting it in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 10.5% | 0.0% | 25.3% | 3 |
| 1980s | 6.4% | 5.4% | 7.5% | 2 |
| 1990s | 3.5% | 0.6% | 6.4% | 4 |
| 2000s | 3.5% | 0.0% | 8.2% | 5 |
| 2010s | 4.9% | 1.3% | 8.5% | 2 |
Countries ranked near Sierra Leone
More health data for Sierra Leone
- 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)
- Deaths in armed conflicts based on where they occurred 0 deaths (2026)
- Deaths in armed conflicts by region 0 deaths (2026)
- Age population, age 25, male, interpolated 79,693 (2025)
- Age population, age 25, female, interpolated 79,021 (2025)
- Age population, age 24, male, interpolated 82,252 (2025)
- Age population, age 24, female, interpolated 81,100 (2025)
- Age population, age 23, male, interpolated 84,700 (2025)
- Age population, age 23, female, interpolated 83,425 (2025)
Frequently asked questions
- What is cholera case-fatality rate in Sierra Leone?
- Cholera case-fatality rate in Sierra Leone was 8.5% in 2013, according to World Health Organization - Global Health Observatory (2026); World Health Organization (2023) – with minor processing by Our World in Data.
- What is the highest cholera case-fatality rate recorded in Sierra Leone?
- The highest recorded value was 25.3% in 1970.
- What is the lowest cholera case-fatality rate recorded in Sierra Leone?
- The lowest recorded value was 0.0% in 1977.
- How does Sierra Leone rank for cholera case-fatality rate?
- Sierra Leone ranks 5th out of 114 countries with data for 2013.
- Is cholera case-fatality rate rising or falling in Sierra Leone?
- Over the last ten years it is up 3.7%. 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); World Health Organization (2023) – with minor processing by Our World in Data, published as part of Cholera case-fatality rate. Statizoid updates them automatically from the source API.
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About this data
WHO calculates case fatality rates based on the numbers of cases and deaths as reported by national authorities. The case fatality rate is the number of reported deaths, divided by the number of reported cases, shown as a percentage.