Statement:
An average person in Saint Lucia drinks more alcohol than in Latvia

In the Alcohol average daily consumption rating Saint Lucia holds position #43 ²⁰¹⁶ out of 189 and Latvia is #60 out of 189 ²⁰¹⁶.
Position of Saint Lucia is worse than position of Latvia.
Both countries holds average positions in the "Alcohol average daily consumption" rating. So Both sexes is an average for both Saint Lucia and Latvia, 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.

   Latvia	'Both sexes' value is	37.2
   Saint Lucia	'Both sexes' value is	42.8