Treatment coverage for schistosomiasis in Sierra Leone
Sierra Leone: Treatment coverage for schistosomiasis was 73.2% in 2024. ▼ Falling
Treatment coverage for schistosomiasis in Sierra Leone, 2009–2024
Source: World Health Organization (2025) – with minor processing by Our World in Data. Measured in %.
Analysis
Sierra Leone recorded 73.2% for treatment coverage for schistosomiasis in 2024.
Compared with earlier readings it is down 2.5% on the previous year and down 21.4% over ten years.
Over the whole period, treatment coverage for schistosomiasis in Sierra Leone peaked at 100.0% in 2011 and was at its lowest, 11.2%, in 2009.
Sierra Leone ranks 11th of 45 countries on this measure, in the top quarter.
The long-run direction has been consistently falling across the 13 years of available data.
Treatment coverage for schistosomiasis in Sierra Leone, year by year
| Year | % | Change |
|---|---|---|
| 2009 | 11.2% | — |
| 2010 | 99.0% | +782.5% |
| 2011 | 100.0% | +1.0% |
| 2012 | 98.9% | -1.1% |
| 2013 | 93.2% | -5.8% |
| 2015 | 100.0% | +7.3% |
| 2016 | 81.8% | -18.2% |
| 2017 | 99.8% | +22.0% |
| 2019 | 48.7% | -51.2% |
| 2020 | 35.7% | -26.7% |
| 2022 | 74.3% | +108.1% |
| 2023 | 75.1% | +1.1% |
| 2024 | 73.2% | -2.5% |
Sierra Leone compared with similar countries
- Sierra Leone's 73.2% is above the median for Sub-Saharan Africa, which is 42.8%, 1.7× the median. (37 countries reporting)
- Sierra Leone's 73.2% is above the median for low income countries, which is 40.1%, 1.8× the median. (21 countries reporting)
Biggest year-on-year movements
Years where Treatment coverage for schistosomiasis 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 |
|---|---|---|---|
| 2010 | +782.5% | 11.2% | 99.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 11.2% | 11.2% | 11.2% | 1 |
| 2010s | 90.2% | 48.7% | 100.0% | 8 |
| 2020s | 64.6% | 35.7% | 75.1% | 4 |
Countries ranked near Sierra Leone
More reference data data for Sierra Leone
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0238 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.4498 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.5935 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.12 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.5935 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.0797 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.044 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 1.91 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 2.72 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.6534 (2050)
Frequently asked questions
- What is treatment coverage for schistosomiasis in Sierra Leone?
- Treatment coverage for schistosomiasis in Sierra Leone was 73.2% in 2024, according to World Health Organization (2025) – with minor processing by Our World in Data.
- What is the highest treatment coverage for schistosomiasis recorded in Sierra Leone?
- The highest recorded value was 100.0% in 2011.
- What is the lowest treatment coverage for schistosomiasis recorded in Sierra Leone?
- The lowest recorded value was 11.2% in 2009.
- How does Sierra Leone rank for treatment coverage for schistosomiasis?
- Sierra Leone ranks 11th out of 45 countries with data for 2024.
- Is treatment coverage for schistosomiasis rising or falling in Sierra Leone?
- Over the last ten years it is down 21.4%. The long-run trend across the full record is falling.
- Where does this Sierra Leone data come from?
- The figures come from World Health Organization (2025) – with minor processing by Our World in Data, published as part of Treatment coverage for schistosomiasis. Statizoid updates them automatically from the source API.
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CSV · JSON — 13 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Drug coverage out of estimated population who require it.