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

In the Alcohol average daily consumption rating South Africa holds position #6 2016 out of 189 and Slovenia is #57 out of 189 2016.
Position of South Africa is worse than position of Slovenia.
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 Slovenia

Referencies:

  1. Alcohol average daily consumption 2016 by WHO
    The countries in the rating sorted by 'Both sexes' in descending order.
    Slovenia 'Both sexes' value is 38.3
    South Africa 'Both sexes' value is 64.6