Cameroon vs Nigeria: Number of people treated for river blindness

Cameroon

8.89 million People

in 2024

Nigeria

24.29 million People

in 2024

Cameroon rank

5th

Nigeria rank

2nd

Number of people treated for river blindness over time

Nigeria currently reports 24.29 million People against 8.89 million People in Cameroon, a difference of 15.40 million People.

That makes Nigeria's figure about 2.7 times Cameroon's.

Across all 20 years both countries report, Nigeria has been ahead every year.

Cameroon ranks 5th and Nigeria ranks 2nd 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.