Statement:
An average person in South Korea drinks more alcohol than in Cuba

In the Alcohol average daily consumption rating South Korea holds position #71 ²⁰¹⁶ out of 189 and Cuba is #104 out of 189 ²⁰¹⁶.
Position of South Korea is worse than position of Cuba.
Both countries holds average positions in the "Alcohol average daily consumption" rating. So Both sexes is an average for both South Korea and Cuba, 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.

   Cuba	'Both sexes' value is	28.5
   South Korea	'Both sexes' value is	34.6