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

In the Alcohol average daily consumption rating Bangladesh holds position #155 ²⁰¹⁶ out of 189 and South Korea is #71 out of 189 ²⁰¹⁶.
Position of Bangladesh 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 Bangladesh 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.

   Bangladesh	'Both sexes' value is	2.1
   South Korea	'Both sexes' value is	34.6