Statement:
It is harder for citizens of Nigeria to travel than for citizens of Oman

In the Global Passport Power Rank rating Nigeria holds position #86 ²⁰²² out of 195 and Oman is #53 out of 195 ²⁰²².
Position of Nigeria is worse than position of Oman.

Referencies:

1. Global Passport Power Rank ²⁰²² by Passport Index

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

   Nigeria	'Mobility Score' value is	53
   Oman	'Mobility Score' value is	92