Statement:
An average person in Oman drinks less alcohol than in El Salvador

In the Alcohol average daily consumption rating Oman holds position #131 2016 out of 189 and El Salvador is #109 out of 189 2016.
Position of Oman is better than position of El Salvador.
Both countries holds average positions in the "Alcohol average daily consumption" rating. So Both sexes is an average for both Oman and El Salvador, compared to most countries of the World.

Referencies:

  1. Alcohol average daily consumption 2016 by WHO
    The countries in the rating sorted by 'Both sexes' in descending order.
    El Salvador 'Both sexes' value is 27.6
    Oman 'Both sexes' value is 19.7