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

In the Alcohol average daily consumption rating Costa Rica holds position #105 2016 out of 189 and Bulgaria is #45 out of 189 2016.
Position of Costa Rica is better than position of Bulgaria.
Both countries holds average positions in the "Alcohol average daily consumption" rating. So Both sexes is an average for both Costa Rica and Bulgaria, 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.
    Bulgaria 'Both sexes' value is 41.5
    Costa Rica 'Both sexes' value is 28.1