Reported number of individuals treated for onchocerciasis in Tanzania, United Republic of

Tanzania, United Republic of: Reported number of individuals treated for onchocerciasis was 5.91 million in 2024. ◆ Volatile

Latest (2024)
5.91 million
Change on year
up 12.9%
World rank
7th
of 33 countries
All-time high
5.91 million
in 2024
All-time low
1.24 million
in 2005
Years of data
19
2005–2024

Reported number of individuals treated for onchocerciasis in Tanzania, United Republic of, 2005–2024

1.0M2.0M3.0M4.0M5.0M6.0M2005201420242005: 1.2M2006: 1.6M2007: 1.7M2008: 1.6M2009: 1.6M2010: 1.9M2011: 1.5M2012: 1.9M2013: 1.9M2014: 3.3M2015: 3.6M2016: 4.2M2017: 5.1M2018: 5.3M2019: 5.3M2021: 5.8M2022: 5.0M2023: 5.2M2024: 5.9M

Source: World Health Organization, Global Health Observatory.

Analysis

The most recent figure for reported number of individuals treated for onchocerciasis in Tanzania, United Republic of is 5.91 million, measured in 2024. That is the highest value across all 19 years on record.

The figure is up 12.9% on the previous year and up 77.1% over ten years.

Over the whole period, reported number of individuals treated for onchocerciasis in Tanzania, United Republic of peaked at 5.91 million in 2024 and was at its lowest, 1.24 million, in 2005.

That places Tanzania, United Republic of 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.

Reported number of individuals treated for onchocerciasis in Tanzania, United Republic of, year by year

Annual values for Reported number of individuals treated for onchocerciasis in Tanzania, United Republic of, 2005 to 2024.
Year Value Change
2005 1.24 million
2006 1.55 million +25.1%
2007 1.68 million +8.4%
2008 1.55 million -7.7%
2009 1.62 million +4.0%
2010 1.90 million +17.6%
2011 1.46 million -23.4%
2012 1.87 million +28.6%
2013 1.93 million +3.0%
2014 3.34 million +73.1%
2015 3.64 million +9.1%
2016 4.24 million +16.4%
2017 5.06 million +19.5%
2018 5.27 million +4.0%
2019 5.34 million +1.5%
2021 5.77 million +7.9%
2022 4.98 million -13.6%
2023 5.24 million +5.0%
2024 5.91 million +12.9%

Averages by decade

DecadeAverage LowestHighest Years
2000s 1.53 million 1.24 million 1.68 million 5
2010s 3.40 million 1.46 million 5.34 million 10
2020s 5.47 million 4.98 million 5.91 million 4

Countries ranked near Tanzania, United Republic of

  1. 4 Côte d'Ivoire 17.96 million compare
  2. 5 Cameroon 8.89 million compare
  3. 6 Guinea 7.23 million compare
  4. 8 Mali 5.51 million compare
  5. 9 South Sudan 5.38 million compare
  6. 10 Benin 4.84 million compare

See the full ranking of 33 places →

More health data for Tanzania, United Republic of

All data for Tanzania, United Republic of →

Frequently asked questions

What is reported number of individuals treated for onchocerciasis in Tanzania, United Republic of?
Reported number of individuals treated for onchocerciasis in Tanzania, United Republic of was 5.91 million in 2024, according to World Health Organization, Global Health Observatory.
What is the highest reported number of individuals treated for onchocerciasis recorded in Tanzania, United Republic of?
The highest recorded value was 5.91 million in 2024.
What is the lowest reported number of individuals treated for onchocerciasis recorded in Tanzania, United Republic of?
The lowest recorded value was 1.24 million in 2005.
How does Tanzania, United Republic of rank for reported number of individuals treated for onchocerciasis?
Tanzania, United Republic of ranks 7th out of 33 countries with data for 2024.
Is reported number of individuals treated for onchocerciasis rising or falling in Tanzania, United Republic of?
Over the last ten years it is up 77.1%. The long-run trend across the full record is volatile.
Where does this Tanzania, United Republic of data come from?
The figures come from World Health Organization, Global Health Observatory, published as part of Reported number of individuals treated for onchocerciasis. Statizoid updates them automatically from the source API.

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Reported number of individuals treated for onchocerciasis in Tanzania, United Republic of. Statizoid, drawing on World Health Organization, Global Health Observatory. Retrieved 08 September 2026, from https://health.statizoid.com/stat/reported-number-of-individuals-treated-for-onchocerciasis/tanzania/

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About this data

Indicator
Reported number of individuals treated for onchocerciasis
Source
World Health Organization, Global Health Observatory
Licence
CC BY-NC-SA 3.0 IGO (WHO)
Coverage
33 places, 511 data points, 2005–2024
Last refreshed