Statement:
An average person in South Africa drinks more alcohol than in Iceland

In the Alcohol average daily consumption rating South Africa holds position #6 ²⁰¹⁶ out of 189 and Iceland is #109 out of 189 ²⁰¹⁶.
Position of South Africa is worse than position of Iceland.
South Africa is leader of the "Alcohol average daily consumption" rating. So people in South Africa 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
   South Africa	'Both sexes' value is	64.6