Treatment coverage for lymphatic filariasis in Sierra Leone
Sierra Leone: Treatment coverage for lymphatic filariasis was 75.3% in 2023. ▲ Rising
Treatment coverage for lymphatic filariasis in Sierra Leone, 2007–2023
Source: World Health Organization (2025) – with minor processing by Our World in Data. Measured in %.
Analysis
In 2023, treatment coverage for lymphatic filariasis in Sierra Leone stood at 75.3%.
The figure is down 21.1% on the previous year and down 6.5% over ten years.
Over the whole period, treatment coverage for lymphatic filariasis in Sierra Leone peaked at 95.4% in 2022 and was at its lowest, 0.0%, in 2014.
Sierra Leone ranks 22nd of 66 countries on this measure, in the middle of the range.
The long-run direction has been consistently rising across the 17 years of available data.
Treatment coverage for lymphatic filariasis in Sierra Leone, year by year
| Year | % | Change |
|---|---|---|
| 2007 | 23.7% | — |
| 2008 | 59.8% | +152.2% |
| 2009 | 65.4% | +9.4% |
| 2010 | 77.7% | +18.9% |
| 2011 | 80.4% | +3.5% |
| 2012 | 79.4% | -1.2% |
| 2013 | 80.6% | +1.4% |
| 2014 | 0.0% | -100.0% |
| 2015 | 77.4% | — |
| 2016 | 78.3% | +1.3% |
| 2017 | 80.8% | +3.1% |
| 2018 | 60.5% | -25.2% |
| 2019 | 76.1% | +25.9% |
| 2020 | 70.2% | -7.8% |
| 2021 | 74.2% | +5.6% |
| 2022 | 95.4% | +28.6% |
| 2023 | 75.3% | -21.1% |
Sierra Leone compared with similar countries
- Sierra Leone's 75.3% is above the median for low income countries, which is 69.3%, 1.1× the median. (18 countries reporting)
- Sierra Leone's 75.3% is above the median for Sub-Saharan Africa, which is 68.4%, 1.1× the median. (32 countries reporting)
Biggest year-on-year movements
Years where Treatment coverage for lymphatic filariasis 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 |
|---|---|---|---|
| 2008 | +152.2% | 23.7% | 59.8% |
| 2014 | -100.0% | 80.6% | 0.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 49.6% | 23.7% | 65.4% | 3 |
| 2010s | 69.1% | 0.0% | 80.8% | 10 |
| 2020s | 78.8% | 70.2% | 95.4% | 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 lymphatic filariasis in Sierra Leone?
- Treatment coverage for lymphatic filariasis in Sierra Leone was 75.3% in 2023, according to World Health Organization (2025) – with minor processing by Our World in Data.
- What is the highest treatment coverage for lymphatic filariasis recorded in Sierra Leone?
- The highest recorded value was 95.4% in 2022.
- What is the lowest treatment coverage for lymphatic filariasis recorded in Sierra Leone?
- The lowest recorded value was 0.0% in 2014.
- How does Sierra Leone rank for treatment coverage for lymphatic filariasis?
- Sierra Leone ranks 22nd out of 66 countries with data for 2023.
- Is treatment coverage for lymphatic filariasis rising or falling in Sierra Leone?
- Over the last ten years it is down 6.5%. 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 (2025) – with minor processing by Our World in Data, published as part of Treatment coverage for lymphatic filariasis. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 17 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.