Statement:
Vietnam is less polluted than Afghanistan

In the Most Polluted Countries rating Vietnam holds position #34 ²⁰²¹ out of 112 and Afghanistan is #14 out of 112 ²⁰²¹.
Position of Vietnam is better than position of Afghanistan.

Referencies:

1. Most Polluted Countries ²⁰²¹ by IQAir

   The countries in the rating sorted by 'Pollution Index' in descending order.

   Afghanistan	'Pollution Index' value is	37.5
   Vietnam	'Pollution Index' value is	24.7