Statement:
An average person in China drinks less alcohol than in Sudan

In the Alcohol average daily consumption rating China holds position #106 2016 out of 189 and Sudan is #32 out of 189 2016.
Position of China is better than position of Sudan.
Both countries holds average positions in the "Alcohol average daily consumption" rating. So Both sexes is an average for both China and Sudan, 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.
    China 'Both sexes' value is 27.9
    Sudan 'Both sexes' value is 47.5