Statement:
In South Korea, mobile Internet is on average more expensive than in Cook Islands

In the Most expensive mobile internet rating South Korea holds position #9 ²⁰²² out of 204 and Cook Islands is #60 out of 204 ²⁰²².
Position of South Korea is worse than position of Cook Islands.
South Korea is leader of the "Most expensive mobile internet" rating. Mobile internet is extremely expensive in South Korea, compared to Cook Islands

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.

   Cook Islands	'Average price of 1GB (USD)' value is	2.72
   South Korea	'Average price of 1GB (USD)' value is	12.55