Reported number of individuals treated for onchocerciasis in Sierra Leone
Sierra Leone: Reported number of individuals treated for onchocerciasis was 414,286 in 2024. ▲ Rising
Reported number of individuals treated for onchocerciasis in Sierra Leone, 2008–2024
Source: World Health Organization, Global Health Observatory.
Analysis
Sierra Leone recorded 414,286 for reported number of individuals treated for onchocerciasis in 2024. That is the lowest value across all 15 years on record.
That represents a change of down 92.7% on the previous year and down 87.9% over ten years.
Over the whole period, reported number of individuals treated for onchocerciasis in Sierra Leone peaked at 5.80 million in 2022 and was at its lowest, 414,286, in 2024.
That places Sierra Leone 23rd out of 33 countries with data for 2024, putting it in the middle of the range.
The long-run direction has been consistently rising across the 15 years of available data.
Reported number of individuals treated for onchocerciasis in Sierra Leone, year by year
| Year | Value | Change |
|---|---|---|
| 2008 | 1.77 million | — |
| 2009 | 2.08 million | +17.3% |
| 2010 | 2.25 million | +8.2% |
| 2011 | 2.45 million | +8.8% |
| 2012 | 2.64 million | +8.0% |
| 2013 | 3.42 million | +29.4% |
| 2015 | 3.30 million | -3.6% |
| 2016 | 4.20 million | +27.5% |
| 2017 | 4.66 million | +11.0% |
| 2018 | 4.44 million | -4.9% |
| 2019 | 4.73 million | +6.7% |
| 2021 | 5.69 million | +20.3% |
| 2022 | 5.80 million | +1.8% |
| 2023 | 5.68 million | -2.0% |
| 2024 | 414,286 | -92.7% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 1.92 million | 1.77 million | 2.08 million | 2 |
| 2010s | 3.57 million | 2.25 million | 4.73 million | 9 |
| 2020s | 4.40 million | 414,286 | 5.80 million | 4 |
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)
- 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)
- Population ages 50-54, male, annual growth rate 3.63 % change on previous year (2025)
- Population ages 50-54, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 50-54, male, per capita 0.0161 units per person (2025)
- Population ages 55-59, female, annual growth rate 3.11 % change on previous year (2025)
- Population ages 55-59, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 55-59, female, per capita 0.0136 units per person (2025)
Frequently asked questions
- What is reported number of individuals treated for onchocerciasis in Sierra Leone?
- Reported number of individuals treated for onchocerciasis in Sierra Leone was 414,286 in 2024, according to World Health Organization, Global Health Observatory.
- What is the highest reported number of individuals treated for onchocerciasis recorded in Sierra Leone?
- The highest recorded value was 5.80 million in 2022.
- What is the lowest reported number of individuals treated for onchocerciasis recorded in Sierra Leone?
- The lowest recorded value was 414,286 in 2024.
- How does Sierra Leone rank for reported number of individuals treated for onchocerciasis?
- Sierra Leone ranks 23rd out of 33 countries with data for 2024.
- Is reported number of individuals treated for onchocerciasis rising or falling in Sierra Leone?
- Over the last ten years it is down 87.9%. The long-run trend across the full record is rising.
- Where does this Sierra Leone data come from?
- The figures come from World Health Organization, Global Health Observatory, published as part of Reported number of individuals treated for onchocerciasis. Statizoid updates them automatically from the source API.
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CSV · JSON — 15 observations, free to reuse under CC BY-NC-SA 3.0 IGO (WHO).