Statement:
An average person in Saudi Arabia drinks less alcohol than in Oman

In the Alcohol average daily consumption rating Saudi Arabia holds position #144 ²⁰¹⁶ out of 189 and Oman is #131 out of 189 ²⁰¹⁶.
Position of Saudi Arabia is better than position of Oman.
Both countries holds average positions in the "Alcohol average daily consumption" rating. So Both sexes is an average for both Saudi Arabia and Oman, 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
   Saudi Arabia	'Both sexes' value is	8.1