20 Cleanest Countries In the World In 2024

4. Belize

Annual Average PM2.5 Concentration (2023): 8.3 μg/m³

Total Waste Generation (2018): 0.10 Mega tonnes per year

Total GHG Emissions (2021): 6.9 Mega tonnes of CO2e

EPI Water and Sanitation Score (2020): 42.6

Insider Monkey Score: 146.1

Belize is one of the top places for American retirees, offering a fresh and laid-back environment. It has an average particulate matter concentration of 8.3 μg/m³. It is ranked 4th on our list of the cleanest countries in the world in 2024.