Statement:
Nigeria is more polluted than Mexico

In the Most Polluted Countries rating Nigeria holds position #18 2021 out of 112 and Mexico is #47 out of 112 2021.
Position of Nigeria is worse than position of Mexico.

Referencies:

  1. Most Polluted Countries 2021 by IQAir
    The countries in the rating sorted by 'Pollution Index' in descending order.
    Mexico 'Pollution Index' value is 19.3
    Nigeria 'Pollution Index' value is 34.0