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

In the Most expensive mobile internet rating Indonesia holds position #140 ²⁰²² out of 204 and Belgium is #51 out of 204 ²⁰²².
Position of Indonesia 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 Indonesia 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
   Indonesia	'Average price of 1GB (USD)' value is	0.46