Statement:
An average person in Iceland drinks less alcohol than in United Kingdom

In the Alcohol average daily consumption rating Iceland holds position #109 2016 out of 189 and United Kingdom is #79 out of 189 2016.
Position of Iceland is better than position of United Kingdom.
Both countries holds average positions in the "Alcohol average daily consumption" rating. So Both sexes is an average for both Iceland and United Kingdom, 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.
    Iceland 'Both sexes' value is 27.6
    United Kingdom 'Both sexes' value is 33.7