Number of people treated for river blindness in Chad
Chad: Number of people treated for river blindness was 4.74 million People in 2024. ◆ Volatile
Number of people treated for river blindness in Chad, 2005–2024
Source: World Health Organization – Global Health Observatory (2026) – with minor processing by Our World in Data. Measured in People.
Analysis
The most recent figure for number of people treated for river blindness in Chad is 4.74 million People, measured in 2024. That is the highest value across all 20 years on record.
Compared with earlier readings it is up 173.8% over ten years.
Over the whole period, number of people treated for river blindness in Chad peaked at 4.74 million People in 2024 and was at its lowest, 0 People, in 2023.
Chad ranks 11th of 33 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Number of people treated for river blindness in Chad, year by year
| Year | People | Change |
|---|---|---|
| 2005 | 1.07 million People | — |
| 2006 | 1.20 million People | +12.9% |
| 2007 | 1.39 million People | +15.5% |
| 2008 | 1.42 million People | +2.3% |
| 2009 | 1.51 million People | +6.5% |
| 2010 | 1.54 million People | +1.9% |
| 2011 | 1.62 million People | +5.1% |
| 2012 | 1.72 million People | +6.0% |
| 2013 | 300,245 People | -82.5% |
| 2014 | 1.73 million People | +477.1% |
| 2015 | 2.13 million People | +22.8% |
| 2016 | 2.59 million People | +21.6% |
| 2017 | 3.71 million People | +43.3% |
| 2018 | 4.11 million People | +10.7% |
| 2019 | 4.06 million People | -1.0% |
| 2020 | 4.17 million People | +2.7% |
| 2021 | 4.72 million People | +13.2% |
| 2022 | 1.33 million People | -71.8% |
| 2023 | 0 People | -100.0% |
| 2024 | 4.74 million People | — |
Chad compared with similar countries
- Chad's 4.74 million People is above the median for low income countries, which is 1.66 million People, 2.9× the median. (15 countries reporting)
- Chad's 4.74 million People is above the median for Sub-Saharan Africa, which is 3.06 million People, 1.6× the median. (27 countries reporting)
Biggest year-on-year movements
Years where Number of people treated for river blindness in Chad 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 |
|---|---|---|---|
| 2014 | +477.1% | 300,245 People | 1.73 million People |
| 2023 | -100.0% | 1.33 million People | 0 People |
| 2013 | -82.5% | 1.72 million People | 300,245 People |
| 2022 | -71.8% | 4.72 million People | 1.33 million People |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 1.32 million People | 1.07 million People | 1.51 million People | 5 |
| 2010s | 2.35 million People | 300,245 People | 4.11 million People | 10 |
| 2020s | 2.99 million People | 0 People | 4.74 million People | 5 |
Countries ranked near Chad
More reference data data for Chad
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.3078 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 13.52 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 14.01 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.1797 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 14.01 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 1.03 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.5525 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 58.55 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 61.14 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.9785 (2050)
Frequently asked questions
- What is number of people treated for river blindness in Chad?
- Number of people treated for river blindness in Chad was 4.74 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 treated for river blindness recorded in Chad?
- The highest recorded value was 4.74 million People in 2024.
- What is the lowest number of people treated for river blindness recorded in Chad?
- The lowest recorded value was 0 People in 2023.
- How does Chad rank for number of people treated for river blindness?
- Chad ranks 11th out of 33 countries with data for 2024.
- Is number of people treated for river blindness rising or falling in Chad?
- Over the last ten years it is up 173.8%. The long-run trend across the full record is volatile.
- Where does this Chad 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 treated for river blindness. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 20 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Reported number of people treated with ivermectin for river blindness.