Statement:
The level of criminal activities is lower in Brunei than in Peru

In the The Most Criminal Countries rating Brunei holds position #111 ²⁰²² out of 139 and Peru is #11 out of 139 ²⁰²².
Position of Brunei is better than position of Peru.
Peru is leader of the "The Most Criminal Countries" rating. So it is wise to avoid visiting the country or, at least, you need to take additional actions to protect your life and belongings, compared to Brunei

Referencies:

1. The Most Criminal Countries ²⁰²² by Numbeo

   The countries in the rating sorted by 'Crime Index' in descending order.

   Brunei	'Crime Index' value is	29.55
   Peru	'Crime Index' value is	67.24