Number of people requiring preventive treatment for river blindness in Sierra Leone
Sierra Leone: Number of people requiring preventive treatment for river blindness was 7.07 million People in 2024. ▲ Rising
Number of people requiring preventive treatment for river blindness in Sierra Leone, 2013–2024
Source: World Health Organization – Global Health Observatory (2026) – with minor processing by Our World in Data. Measured in People.
Analysis
Sierra Leone recorded 7.07 million People for number of people requiring preventive treatment for river blindness in 2024.
Compared with earlier readings it is down 4.5% on the previous year and up 118.0% over ten years.
Over the whole period, number of people requiring preventive treatment for river blindness in Sierra Leone peaked at 7.40 million People in 2023 and was at its lowest, 3.18 million People, in 2013.
Sierra Leone ranks 9th of 31 countries on this measure, in the middle of the range.
The long-run direction has been consistently rising across the 12 years of available data.
Number of people requiring preventive treatment for river blindness in Sierra Leone, year by year
| Year | People | Change |
|---|---|---|
| 2013 | 3.18 million People | — |
| 2014 | 3.24 million People | +2.1% |
| 2015 | 3.37 million People | +4.1% |
| 2016 | 5.33 million People | +58.1% |
| 2017 | 5.94 million People | +11.5% |
| 2018 | 5.84 million People | -1.7% |
| 2019 | 6.23 million People | +6.7% |
| 2020 | 7.15 million People | +14.8% |
| 2021 | 7.32 million People | +2.3% |
| 2022 | 7.36 million People | +0.6% |
| 2023 | 7.40 million People | +0.5% |
| 2024 | 7.07 million People | -4.5% |
Sierra Leone compared with similar countries
- Sierra Leone's 7.07 million People is above the median for Sub-Saharan Africa, which is 4.52 million People, 1.6× the median. (28 countries reporting)
- Sierra Leone's 7.07 million People is above the median for low income countries, which is 3.03 million People, 2.3× the median. (16 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 4.73 million People | 3.18 million People | 6.23 million People | 7 |
| 2020s | 7.26 million People | 7.07 million People | 7.40 million People | 5 |
Countries ranked near Sierra Leone
More population data for Sierra Leone
- Un population 2024 vs 2022, annual growth rate -0.076 % change on previous year (2100)
- Population long run with projections, annual growth rate -0.1141 % change on previous year (2100)
- Urban and rural population 2050, annual growth rate -1.21 % change on previous year (2050)
- Population regions with projections, annual growth rate -0.1141 % change on previous year (2100)
- Population growth rate, by level of development -0.1% (2100)
- Number of children under 5, by world region 983,692 people (2100)
- Population density 220.76 people per km² (2100)
- World population growth -0.1% (2100)
- Projected population under age 5, annual growth rate -0.6516 % change on previous year (2100)
- Africa's Development Dynamics (AfDD) Table 03 - Annual population 1.9 Percent per annum (2030)
Frequently asked questions
- What is number of people requiring preventive treatment for river blindness in Sierra Leone?
- Number of people requiring preventive treatment for river blindness in Sierra Leone was 7.07 million People in 2024, according to World Health Organization – Global Health Observatory (2026) – with minor processing by Our World in Data.
- What is the highest number of people requiring preventive treatment for river blindness recorded in Sierra Leone?
- The highest recorded value was 7.40 million People in 2023.
- What is the lowest number of people requiring preventive treatment for river blindness recorded in Sierra Leone?
- The lowest recorded value was 3.18 million People in 2013.
- How does Sierra Leone rank for number of people requiring preventive treatment for river blindness?
- Sierra Leone ranks 9th out of 31 countries with data for 2024.
- Is number of people requiring preventive treatment for river blindness rising or falling in Sierra Leone?
- Over the last ten years it is up 118.0%. 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 (2026) – with minor processing by Our World in Data, published as part of Number of people requiring preventive treatment for river blindness. Statizoid updates them automatically from the source API.
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About this data
The estimated number of people at risk of river blindness) who require preventive chemotherapy.