Statement:
An average person in Zambia drinks less alcohol than in Saint Lucia

In the Alcohol average daily consumption rating Zambia holds position #57 ²⁰¹⁶ out of 189 and Saint Lucia is #43 out of 189 ²⁰¹⁶.
Position of Zambia is better than position of Saint Lucia.
Both countries holds average positions in the "Alcohol average daily consumption" rating. So Both sexes is an average for both Zambia and Saint Lucia, 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 Lucia	'Both sexes' value is	42.8
   Zambia	'Both sexes' value is	38.3