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

In the Alcohol average daily consumption rating Vietnam holds position #27 2016 out of 189 and South Korea is #71 out of 189 2016.
Position of Vietnam is worse than position of South Korea.
Vietnam is leader of the "Alcohol average daily consumption" rating. So people in Vietnam are more likely to experience problems related to the consumption of alcohol in social, healthcare, and economical areas, compared to South Korea

Referencies:

  1. Alcohol average daily consumption 2016 by WHO
    The countries in the rating sorted by 'Both sexes' in descending order.
    South Korea 'Both sexes' value is 34.6
    Vietnam 'Both sexes' value is 49.3