Statement:
You will be less safe in Yemen than in Sierra Leone

In the Safest countries rating Yemen holds position #160 ²⁰²² out of 161 and Sierra Leone is #49 out of 161 ²⁰²².
Position of Yemen is worse than position of Sierra Leone.
Yemen 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 Sierra Leone

Referencies:

1. Safest countries ²⁰²² by GLOBAL PEACE INDEX

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

   Sierra Leone	'Score' value is	1.80
   Yemen	'Score' value is	3.39