Statement:
It is harder for citizens of Sudan to travel than for citizens of Serbia

In the Global Passport Power Rank rating Sudan holds position #87 ²⁰²² out of 195 and Serbia is #27 out of 195 ²⁰²².
Position of Sudan is worse than position of Serbia.

Referencies:

1. Global Passport Power Rank ²⁰²² by Passport Index

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

   Serbia	'Mobility Score' value is	136
   Sudan	'Mobility Score' value is	52