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

In the Most expensive mobile internet rating San Marino holds position #156 2022 out of 204 and Sri Lanka is #151 out of 204 2022.
Position of San Marino is better than position of Sri Lanka.
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 Sri Lanka, 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.
    San Marino 'Average price of 1GB (USD)' value is 0.14
    Sri Lanka 'Average price of 1GB (USD)' value is 0.27