Statement:
You will be less safe in Nigeria than in South Africa

In the Safest countries rating Nigeria holds position #142 ²⁰²² out of 161 and South Africa is #117 out of 161 ²⁰²².
Position of Nigeria is worse than position of South Africa.
Nigeria is an outsider of the "Safest countries" rating. It could be dangerous. So you need to take additional actions and not to be frivolous, compared to South Africa

Referencies:

1. Safest countries ²⁰²² by GLOBAL PEACE INDEX

   The countries in the rating sorted by 'Score' in ascending order.

   Nigeria	'Score' value is	2.73
   South Africa	'Score' value is	2.28