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

In the The Most Criminal Countries rating Brunei holds position #111 2022 out of 139 and Namibia is #16 out of 139 2022.
Position of Brunei is better than position of Namibia.
Namibia 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
    Namibia 'Crime Index' value is 64.97