Statement:
An average person in Papua New Guinea drinks less alcohol than in Grenada

In the Alcohol average daily consumption rating Papua New Guinea holds position #134 ²⁰¹⁶ out of 189 and Grenada is #51 out of 189 ²⁰¹⁶.
Position of Papua New Guinea 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 Papua New Guinea 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
   Papua New Guinea	'Both sexes' value is	18.5