Population requiring preventive treatment for river blindness by country
Countries reporting
31
Highest
57.75 million
Democratic Republic of Congo
Lowest
16,071
Venezuela
Median
3.80 million
Years covered
12
2013–2024
Data points
359
What the numbers show
Population requiring preventive treatment for river blindness is currently reported for 31 countries. The highest value is 57.75 million in Democratic Republic of Congo; the lowest is 16,071 in Venezuela.
The median across all reporting countries is 3.80 million, and the mean is 8.15 million.
The gap between the highest and lowest reporting country is a factor of about 3,593.
Over the past decade 26 countries rose and 5 fell. The largest increase was in Mozambique (up 8,329.3%), and the largest decrease in Uganda (down 85.4%).
Population requiring preventive treatment for river blindness: full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | Democratic Republic of Congo | 57.75 million | 2024 | up 32.7% | rising |
| 2 | Nigeria | 40.38 million | 2024 | down 21.4% | falling |
| 3 | Ethiopia | 30.56 million | 2024 | up 152.4% | rising |
| 4 | Cote d'Ivoire | 22.62 million | 2024 | up 868.8% | volatile |
| 5 | Guinea | 11.78 million | 2024 | up 250.8% | rising |
| 6 | Cameroon | 11.77 million | 2024 | up 31.7% | rising |
| 7 | South Sudan | 9.77 million | 2024 | up 40.2% | rising |
| 8 | Mali | 7.31 million | 2024 | up 39.7% | rising |
| 9 | Sierra Leone | 7.07 million | 2024 | up 118.0% | rising |
| 10 | Tanzania | 6.88 million | 2024 | up 94.3% | rising |
| 11 | Angola | 6.77 million | 2024 | up 159.5% | rising |
| 12 | Benin | 6.55 million | 2024 | up 85.9% | rising |
| 13 | Chad | 6.17 million | 2024 | up 139.2% | rising |
| 14 | Ghana | 5.20 million | 2024 | up 104.3% | rising |
| 15 | Liberia | 3.84 million | 2024 | up 20.9% | rising |
| 16 | Central African Republic | 3.80 million | 2024 | up 76.7% | rising |
| 17 | Togo | 3.40 million | 2024 | up 6.8% | falling |
| 18 | Burundi | 2.27 million | 2024 | up 0.3% | rising |
| 19 | Malawi | 2.03 million | 2024 | down 11.2% | falling |
| 20 | Yemen | 1.46 million | 2024 | up 386.6% | volatile |
| 21 | Mozambique | 1.43 million | 2024 | up 8,329.3% | volatile |
| 22 | Congo | 841,658 | 2024 | down 42.3% | falling |
| 23 | Gabon | 783,365 | 2024 | up 1,003.3% | volatile |
| 24 | Uganda | 651,348 | 2024 | down 85.4% | falling |
| 25 | Guinea-Bissau | 646,572 | 2024 | up 236.2% | rising |
| 26 | Senegal | 356,387 | 2022 | up 97.5% | volatile |
| 27 | Burkina Faso | 340,655 | 2024 | up 47.4% | rising |
| 28 | Sudan | 196,703 | 2024 | down 70.3% | falling |
| 29 | Equatorial Guinea | 98,797 | 2020 | up 15.1% | rising |
| 30 | Brazil | 16,842 | 2024 | up 20.5% | rising |
| 31 | Venezuela | 16,071 | 2024 | up 25.6% | rising |