Statement:
It is harder for citizens of Saudi Arabia to travel than for citizens of Tonga

In the Global Passport Power Rank rating Saudi Arabia holds position #53 ²⁰²² out of 195 and Tonga is #39 out of 195 ²⁰²².
Position of Saudi Arabia is worse than position of Tonga.

Referencies:

1. Global Passport Power Rank ²⁰²² by Passport Index

   The countries in the rating sorted by 'Mobility Score' in descending order.

   Saudi Arabia	'Mobility Score' value is	92
   Tonga	'Mobility Score' value is	122