Statement:
An average person in Croatia drinks less alcohol than in South Korea

In the Alcohol average daily consumption rating Croatia holds position #86 ²⁰¹⁶ out of 189 and South Korea is #71 out of 189 ²⁰¹⁶.
Position of Croatia is better than position of South Korea.
Both countries holds average positions in the "Alcohol average daily consumption" rating. So Both sexes is an average for both Croatia and South Korea, 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.

   Croatia	'Both sexes' value is	32.4
   South Korea	'Both sexes' value is	34.6