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

In the Most expensive mobile internet rating United Kingdom holds position #123 2022 out of 204 and Vietnam is #133 out of 204 2022.
Position of United Kingdom 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 United Kingdom 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.
    United Kingdom 'Average price of 1GB (USD)' value is 0.79
    Vietnam 'Average price of 1GB (USD)' value is 0.61