Cleanest Country In The World 2025

Cleanest Country In The World 2025. In the latest epi report, estonia ranked as the world’s cleanest and most environmentally friendly country in 2025, scoring 75.3. Grenada is ranked 1st on our list of the cleanest countries in the world in 2025.

Denmark stands out as the cleanest nation in the world with an impressive environmental performance index epi score of 77.9. The cleanest city in the world is london in the united kingdom.