Statement:
In Tunisia, mobile Internet is on average less expensive than in Saudi Arabia

In the Most expensive mobile internet rating Tunisia holds position #103 ²⁰²² out of 204 and Saudi Arabia is #93 out of 204 ²⁰²².
Position of Tunisia is better than position of Saudi Arabia.
Both countries holds average positions in the "Most expensive mobile internet" rating. So Average price of 1GB (USD) is an average for both Tunisia and Saudi Arabia, 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.

   Saudi Arabia	'Average price of 1GB (USD)' value is	1.52
   Tunisia	'Average price of 1GB (USD)' value is	1.21