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

In the Alcohol average daily consumption rating Saudi Arabia holds position #144 ²⁰¹⁶ out of 189 and Costa Rica is #105 out of 189 ²⁰¹⁶.
Position of Saudi Arabia is better than position of Costa Rica.
Both countries holds average positions in the "Alcohol average daily consumption" rating. So Both sexes is an average for both Saudi Arabia and Costa Rica, 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.

   Costa Rica	'Both sexes' value is	28.1
   Saudi Arabia	'Both sexes' value is	8.1