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

In the Alcohol average daily consumption rating Costa Rica holds position #105 ²⁰¹⁶ out of 189 and Poland is #61 out of 189 ²⁰¹⁶.
Position of Costa Rica is better than position of Poland.
Both countries holds average positions in the "Alcohol average daily consumption" rating. So Both sexes is an average for both Costa Rica and Poland, 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
   Poland	'Both sexes' value is	37.0