Number of people requiring preventive treatment for schistosomiasis in Tanzania
Tanzania: Number of people requiring preventive treatment for schistosomiasis was 21.35 million people in 2024. ▲ Rising
Number of people requiring preventive treatment for schistosomiasis in Tanzania, 2010–2024
Source: World Health Organization (2025) – with minor processing by Our World in Data. Measured in people.
Analysis
In 2024, number of people requiring preventive treatment for schistosomiasis in Tanzania stood at 21.35 million people. That is the highest value across all 15 years on record.
Compared with earlier readings it is up 4.0% on the previous year and up 98.3% over ten years.
Over the whole period, number of people requiring preventive treatment for schistosomiasis in Tanzania peaked at 21.35 million people in 2024 and was at its lowest, 9.53 million people, in 2010.
Tanzania ranks 2nd of 52 countries on this measure, in the top 10%.
The long-run direction has been consistently rising across the 15 years of available data.
Number of people requiring preventive treatment for schistosomiasis in Tanzania, year by year
| Year | people | Change |
|---|---|---|
| 2010 | 9.53 million people | — |
| 2011 | 9.83 million people | +3.1% |
| 2012 | 10.14 million people | +3.1% |
| 2013 | 10.45 million people | +3.1% |
| 2014 | 10.77 million people | +3.1% |
| 2015 | 12.80 million people | +18.9% |
| 2016 | 14.99 million people | +17.1% |
| 2017 | 15.99 million people | +6.7% |
| 2018 | 16.16 million people | +1.0% |
| 2019 | 14.88 million people | -7.9% |
| 2020 | 16.50 million people | +10.9% |
| 2021 | 18.16 million people | +10.1% |
| 2022 | 19.90 million people | +9.5% |
| 2023 | 20.52 million people | +3.2% |
| 2024 | 21.35 million people | +4.0% |
Tanzania compared with similar countries
- Tanzania's 21.35 million people is above the median for lower middle income countries, which is 3.09 million people, 6.9× the median. (22 countries reporting)
- Tanzania's 21.35 million people is above the median for Sub-Saharan Africa, which is 3.38 million people, 6.3× the median. (43 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 12.55 million people | 9.53 million people | 16.16 million people | 10 |
| 2020s | 19.29 million people | 16.50 million people | 21.35 million people | 5 |
Countries ranked near Tanzania
- 1 Nigeria 34.86 million people compare
- 3 Democratic Republic of Congo 18.86 million people compare
- 4 Mozambique 18.41 million people compare
- 5 Ethiopia 16.07 million people compare
More population data for Tanzania
- Un population 2024 vs 2022, annual growth rate 0.6843 % change on previous year (2100)
- Population long run with projections, annual growth rate 0.8793 % change on previous year (2100)
- Urban and rural population 2050, annual growth rate -1.36 % change on previous year (2050)
- Population regions with projections, annual growth rate 0.8793 % change on previous year (2100)
- Population growth rate, by level of development 0.9% (2100)
- Number of children under 5, by world region 20.58 million people (2100)
- Population density 296.72 people per km² (2100)
- World population growth 0.9% (2100)
- Projected population under age 5, annual growth rate 0.089 % change on previous year (2100)
- Africa's Development Dynamics (AfDD) Table 03 - Annual population 2.69 Percent per annum (2030)
Frequently asked questions
- What is number of people requiring preventive treatment for schistosomiasis in Tanzania?
- Number of people requiring preventive treatment for schistosomiasis in Tanzania was 21.35 million people in 2024, according to World Health Organization (2025) – with minor processing by Our World in Data.
- What is the highest number of people requiring preventive treatment for schistosomiasis recorded in Tanzania?
- The highest recorded value was 21.35 million people in 2024.
- What is the lowest number of people requiring preventive treatment for schistosomiasis recorded in Tanzania?
- The lowest recorded value was 9.53 million people in 2010.
- How does Tanzania rank for number of people requiring preventive treatment for schistosomiasis?
- Tanzania ranks 2nd out of 52 countries with data for 2024.
- Is number of people requiring preventive treatment for schistosomiasis rising or falling in Tanzania?
- Over the last ten years it is up 98.3%. The long-run trend across the full record is rising.
- Where does this Tanzania data come from?
- The figures come from World Health Organization (2025) – with minor processing by Our World in Data, published as part of Number of people requiring preventive treatment for schistosomiasis. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 15 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Population requiring preventive chemotherapy for schistosomiasis.