Statement:
In South Africa, mobile Internet is on average more expensive than in Bhutan

In the Most expensive mobile internet rating South Africa holds position #77 ²⁰²² out of 204 and Bhutan is #146 out of 204 ²⁰²².
Position of South Africa is worse than position of Bhutan.
Both countries holds average positions in the "Most expensive mobile internet" rating. So Average price of 1GB (USD) is an average for both South Africa and Bhutan, 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.

   Bhutan	'Average price of 1GB (USD)' value is	0.39
   South Africa	'Average price of 1GB (USD)' value is	2.04