Statement:
An average person in Guinea-Bissau drinks less alcohol than in Thailand

In the Alcohol average daily consumption rating Guinea-Bissau holds position #67 2016 out of 189 and Thailand is #40 out of 189 2016.
Position of Guinea-Bissau is better than position of Thailand.
Both countries holds average positions in the "Alcohol average daily consumption" rating. So Both sexes is an average for both Guinea-Bissau and Thailand, 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.
    Guinea-Bissau 'Both sexes' value is 35.6
    Thailand 'Both sexes' value is 43.9