Statement:
An average person in Oman drinks less alcohol than in Spain

In the Alcohol average daily consumption rating Oman holds position #131 ²⁰¹⁶ out of 189 and Spain is #91 out of 189 ²⁰¹⁶.
Position of Oman is better than position of Spain.
Both countries holds average positions in the "Alcohol average daily consumption" rating. So Both sexes is an average for both Oman and Spain, 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.

   Oman	'Both sexes' value is	19.7
   Spain	'Both sexes' value is	31.5