Statement:
In Bulgaria, mobile Internet is on average more expensive than in Vietnam

In the Most expensive mobile internet rating Bulgaria holds position #120 2022 out of 204 and Vietnam is #133 out of 204 2022.
Position of Bulgaria is worse than position of Vietnam.
Both countries holds average positions in the "Most expensive mobile internet" rating. So Average price of 1GB (USD) is an average for both Bulgaria and Vietnam, compared to most countries of the World.

Referencies:

  1. Most expensive mobile internet 2022 by cable.co.uk
    The countries in the rating sorted by 'Average price of 1GB (USD)' in descending order.
    Bulgaria 'Average price of 1GB (USD)' value is 0.90
    Vietnam 'Average price of 1GB (USD)' value is 0.61