Statement:
An average person in Mongolia drinks more alcohol than in Tajikistan

In the Alcohol average daily consumption rating Mongolia holds position #33 ²⁰¹⁶ out of 189 and Tajikistan is #75 out of 189 ²⁰¹⁶.
Position of Mongolia is worse than position of Tajikistan.
Both countries holds average positions in the "Alcohol average daily consumption" rating. So Both sexes is an average for both Mongolia and Tajikistan, 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.

   Mongolia	'Both sexes' value is	47.2
   Tajikistan	'Both sexes' value is	34.2