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

In the Alcohol average daily consumption rating South Korea holds position #71 ²⁰¹⁶ out of 189 and Guinea is #141 out of 189 ²⁰¹⁶.
Position of South Korea is worse than position of Guinea.
Both countries holds average positions in the "Alcohol average daily consumption" rating. So Both sexes is an average for both South Korea and Guinea, 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.

   Guinea	'Both sexes' value is	12.5
   South Korea	'Both sexes' value is	34.6