 Top 5 Cleanest Countries in Africa 2023 Cleanliness is said to be next to godliness and people who live in cleaner countries live longer than those who live in dirty environments. Clean water, better air quality, better waste management and sanitation are all factors that have a significant impact on human health. Here are the top 5 cleanest countries in Africa 2023 5. Algeria EPA score 44.8 4. Mauritius EPA score 45.1 3. Gebel EPA score 45.8 2. Tunisia EPA score 46.6 1. Rwanda EPA score 46.7