Guinea vs Tanzania: Number of people treated for river blindness

Guinea

7.23 million People

in 2024

Tanzania

5.91 million People

in 2024

Guinea rank

6th

Tanzania rank

7th

Number of people treated for river blindness over time

Guinea currently reports 7.23 million People against 5.91 million People in Tanzania, a difference of 1.32 million People.

That makes Guinea's figure about 1.2 times Tanzania's.

The two have swapped places 6 times across 15 shared years of data; in 2008 it was Guinea ahead.

Guinea ranks 6th and Tanzania ranks 7th of 33 countries.

Indicator: Number of people treated for river blindness
Unit: People
Source: World Health Organization - Global Health Observatory (2026) – with minor processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 33 places, 538 data points, 2005–2024
Last refreshed: 07 August 2026

Reported number of people treated with ivermectin for river blindness.