Statement:
In San Marino, mobile Internet is on average less expensive than in Belgium

In the Most expensive mobile internet rating San Marino holds position #156 ²⁰²² out of 204 and Belgium is #51 out of 204 ²⁰²².
Position of San Marino is better than position of Belgium.
Both countries holds average positions in the "Most expensive mobile internet" rating. So Average price of 1GB (USD) is an average for both San Marino and Belgium, 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.

   Belgium	'Average price of 1GB (USD)' value is	3.00
   San Marino	'Average price of 1GB (USD)' value is	0.14