Statement:
An average person in Saudi Arabia drinks less alcohol than in Mexico

In the Alcohol average daily consumption rating Saudi Arabia holds position #144 ²⁰¹⁶ out of 189 and Mexico is #82 out of 189 ²⁰¹⁶.
Position of Saudi Arabia is better than position of Mexico.
Both countries holds average positions in the "Alcohol average daily consumption" rating. So Both sexes is an average for both Saudi Arabia and Mexico, 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.

   Mexico	'Both sexes' value is	33.1
   Saudi Arabia	'Both sexes' value is	8.1