Statement:
An average person in Argentina drinks less alcohol than in Mexico

In the Alcohol average daily consumption rating Argentina holds position #91 ²⁰¹⁶ out of 189 and Mexico is #82 out of 189 ²⁰¹⁶.
Position of Argentina 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 Argentina 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.

   Argentina	'Both sexes' value is	31.5
   Mexico	'Both sexes' value is	33.1