Statement:
An average person in The Democratic Republic of the Congo drinks less alcohol than in Sierra Leone

In the Alcohol average daily consumption rating The Democratic Republic of the Congo holds position #137 2016 out of 189 and Sierra Leone is #53 out of 189 2016.
Position of The Democratic Republic of the Congo 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 The Democratic Republic of the Congo and Sierra Leone, 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.
    The Democratic Republic of the Congo 'Both sexes' value is 15.3
    Sierra Leone 'Both sexes' value is 39.5