Statement:
The level of criminal activities is lower in Fiji than in Brazil

In the The Most Criminal Countries rating Fiji holds position #32 2022 out of 139 and Brazil is #12 out of 139 2022.
Position of Fiji is better than position of Brazil.
Brazil 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 Fiji

Referencies:

  1. The Most Criminal Countries 2022 by Numbeo
    The countries in the rating sorted by 'Crime Index' in descending order.
    Brazil 'Crime Index' value is 66.79
    Fiji 'Crime Index' value is 57.09