Statement:
An average person in Spain drinks the same amount of alcohol as in Argentina

In the Alcohol average daily consumption rating Spain holds position #91 2016 out of 189 and Argentina is #91 out of 189 2016.
Both countries holds average positions in the "Alcohol average daily consumption" rating. So Both sexes is an average for both Spain and Argentina, 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.
    Argentina 'Both sexes' value is 31.5
    Spain 'Both sexes' value is 31.5