Statement:
An average person in Vanuatu drinks less alcohol than in Guyana

In the Alcohol average daily consumption rating Vanuatu holds position #136 ²⁰¹⁶ out of 189 and Guyana is #70 out of 189 ²⁰¹⁶.
Position of Vanuatu is better than position of Guyana.
Both countries holds average positions in the "Alcohol average daily consumption" rating. So Both sexes is an average for both Vanuatu and Guyana, 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.

   Guyana	'Both sexes' value is	34.7
   Vanuatu	'Both sexes' value is	15.9