Statement:
In Singapore, mobile Internet is on average costs the same as in Vietnam

In the Most expensive mobile internet rating Singapore holds position #133 2022 out of 204 and Vietnam is #133 out of 204 2022.
Both countries holds average positions in the "Most expensive mobile internet" rating. So Average price of 1GB (USD) is an average for both Singapore 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.
    Singapore 'Average price of 1GB (USD)' value is 0.61
    Vietnam 'Average price of 1GB (USD)' value is 0.61