Number of people requiring preventive treatment for river blindness in Tanzania
Tanzania: Number of people requiring preventive treatment for river blindness was 6.88 million People in 2024. ▲ Rising
Number of people requiring preventive treatment for river blindness in Tanzania, 2013–2024
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 requiring preventive treatment for river blindness in Tanzania stood at 6.88 million People. That is the highest value across all 12 years on record.
The figure is up 3.1% on the previous year and up 94.3% over ten years.
Over the whole period, number of people requiring preventive treatment for river blindness in Tanzania peaked at 6.88 million People in 2024 and was at its lowest, 3.44 million People, in 2013.
Tanzania ranks 10th 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.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 5.41 million People | 3.44 million People | 6.53 million People | 7 |
| 2020s | 6.66 million People | 6.42 million People | 6.88 million People | 5 |
Countries ranked near Tanzania
More population data for Tanzania
- World population growth 0.9% (2100)
- Population density 296.72 people per km² (2100)
- Number of children under 5, by world region 20.58 million people (2100)
- Population growth rate, by level of development 0.9% (2100)
- Total fertility rate vs. contraceptive prevalence 4.54 births per woman (2024)
- Fertility rate vs. unmet need for contraception 4.54 births per woman (2024)
- Refugees by country of asylum 176,859 people (2024)
- Total fertility rate vs. wanted fertility rate 4.54 births per woman (2024)
- Fertility rate vs. Share of people who are religious 4.61 live births per woman (2023)
- Fertility rate accounting for survival until childbearing age 4.32 children per women (2023)
Frequently asked questions
- What is number of people requiring preventive treatment for river blindness in Tanzania?
- Number of people requiring preventive treatment for river blindness in Tanzania was 6.88 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 Tanzania?
- The highest recorded value was 6.88 million People in 2024.
- What is the lowest number of people requiring preventive treatment for river blindness recorded in Tanzania?
- The lowest recorded value was 3.44 million People in 2013.
- How does Tanzania rank for number of people requiring preventive treatment for river blindness?
- Tanzania ranks 10th out of 31 countries with data for 2024.
- Is number of people requiring preventive treatment for river blindness rising or falling in Tanzania?
- Over the last ten years it is up 94.3%. The long-run trend across the full record is rising.
- 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 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.