Statement:
An average person in Tonga drinks less alcohol than in Saint Vincent and the Grenadines

In the Alcohol average daily consumption rating Tonga holds position #121 ²⁰¹⁶ out of 189 and Saint Vincent and the Grenadines is #58 out of 189 ²⁰¹⁶.
Position of Tonga is better than position of Saint Vincent and the Grenadines.
Both countries holds average positions in the "Alcohol average daily consumption" rating. So Both sexes is an average for both Tonga and Saint Vincent and the Grenadines, 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.

   Saint Vincent and the Grenadines	'Both sexes' value is	38.2
   Tonga	'Both sexes' value is	23.1