Statement:
An average person in Guinea-Bissau drinks less alcohol than in Grenada

In the Alcohol average daily consumption rating Guinea-Bissau holds position #67 2016 out of 189 and Grenada is #51 out of 189 2016.
Position of Guinea-Bissau is better than position of Grenada.
Both countries holds average positions in the "Alcohol average daily consumption" rating. So Both sexes is an average for both Guinea-Bissau and Grenada, 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.
    Grenada 'Both sexes' value is 40.4
    Guinea-Bissau 'Both sexes' value is 35.6