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

In the Alcohol average daily consumption rating Tuvalu holds position #115 ²⁰¹⁶ out of 189 and Mexico is #82 out of 189 ²⁰¹⁶.
Position of Tuvalu 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 Tuvalu 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
   Tuvalu	'Both sexes' value is	25.9