Statement:
An average person in Tuvalu drinks less alcohol than in Nigeria

In the Alcohol average daily consumption rating Tuvalu holds position #115 2016 out of 189 and Nigeria is #21 out of 189 2016.
Position of Tuvalu is better than position of Nigeria.
Nigeria is leader of the "Alcohol average daily consumption" rating. So people in Nigeria are more likely to experience problems related to the consumption of alcohol in social, healthcare, and economical areas, compared to Tuvalu

Referencies:

  1. Alcohol average daily consumption 2016 by WHO
    The countries in the rating sorted by 'Both sexes' in descending order.
    Nigeria 'Both sexes' value is 55.0
    Tuvalu 'Both sexes' value is 25.9