Statement:
In South Korea, mobile Internet is on average less expensive than in Sao Tome and Principe

In the Most expensive mobile internet rating South Korea holds position #9 ²⁰²² out of 204 and Sao Tome and Principe is #2 out of 204 ²⁰²².
Position of South Korea is better than position of Sao Tome and Principe.
Both countries are leaders of the "Most expensive mobile internet" rating. Mobile internet is extremely expensive in South Korea and Sao Tome and Principe, 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.

   Sao Tome and Principe	'Average price of 1GB (USD)' value is	29.49
   South Korea	'Average price of 1GB (USD)' value is	12.55