Number of people treated for river blindness in Tanzania
Tanzania: Number of people treated for river blindness was 5.91 million People in 2024. ◆ Volatile
Number of people treated for river blindness in Tanzania, 2005–2024
Source: World Health Organization - Global Health Observatory (2026) – with minor processing by Our World in Data. Measured in People.
Analysis
In 2024, number of people treated for river blindness in Tanzania stood at 5.91 million People. That is the highest value across all 20 years on record.
The figure is up 12.9% on the previous year and up 77.1% over ten years.
Over the whole period, number of people treated for river blindness in Tanzania peaked at 5.91 million People in 2024 and was at its lowest, 1.24 million People, in 2005.
That places Tanzania 7th out of 33 countries with data for 2024, putting it in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 1.53 million People | 1.24 million People | 1.68 million People | 5 |
| 2010s | 3.40 million People | 1.46 million People | 5.34 million People | 10 |
| 2020s | 4.74 million People | 1.81 million People | 5.91 million People | 5 |
Countries ranked near Tanzania
More reference data data for Tanzania
- Spring temperature anomalies -0.6683 °C (2026)
- Summer temperature anomalies 0.3295 °C (2026)
- Temperature anomalies by month 0.5126 °C (2026)
- Universal right to vote in practice 2 (2025)
- Autumn temperature anomalies 0.5023 °C (2025)
- Winter temperature anomalies 0.6747 °C (2025)
- Consumer price index 231.54 2010 = 100 (2025)
- Universal right to vote 2 (2025)
- Competitive elections 0 (2025)
- Men's universal right to vote 1 (2025)
Frequently asked questions
- What is number of people treated for river blindness in Tanzania?
- Number of people treated for river blindness in Tanzania was 5.91 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 Tanzania?
- The highest recorded value was 5.91 million People in 2024.
- What is the lowest number of people treated for river blindness recorded in Tanzania?
- The lowest recorded value was 1.24 million People in 2005.
- How does Tanzania rank for number of people treated for river blindness?
- Tanzania ranks 7th out of 33 countries with data for 2024.
- Is number of people treated for river blindness rising or falling in Tanzania?
- Over the last ten years it is up 77.1%. The long-run trend across the full record is volatile.
- Where does this Tanzania 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.