Statement:
An average person in Iceland drinks less alcohol than in Iran

In the Alcohol average daily consumption rating Iceland holds position #109 2016 out of 189 and Iran is #9 out of 189 2016.
Position of Iceland is better than position of Iran.
Iran is leader of the "Alcohol average daily consumption" rating. So people in Iran are more likely to experience problems related to the consumption of alcohol in social, healthcare, and economical areas, compared to Iceland

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
    Iran 'Both sexes' value is 61.4