Statement:
An average person in Eritrea drinks less alcohol than in Sierra Leone

In the Alcohol average daily consumption rating Eritrea holds position #140 2016 out of 189 and Sierra Leone is #53 out of 189 2016.
Position of Eritrea is better than position of Sierra Leone.
Both countries holds average positions in the "Alcohol average daily consumption" rating. So Both sexes is an average for both Eritrea and Sierra Leone, compared to most countries of the World.

Referencies:

  1. The countries in the rating sorted by 'Both sexes' in descending order.
    Eritrea 'Both sexes' value is 13.5
    Sierra Leone 'Both sexes' value is 39.5