Statement:
The level of criminal activities is higher in Nigeria than in Mauritius

In the The Most Criminal Countries rating Nigeria holds position #17 2022 out of 139 and Mauritius is #53 out of 139 2022.
Position of Nigeria is worse than position of Mauritius.
Nigeria 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 Mauritius

Referencies:

  1. The Most Criminal Countries 2022 by Numbeo
    The countries in the rating sorted by 'Crime Index' in descending order.
    Mauritius 'Crime Index' value is 48.78
    Nigeria 'Crime Index' value is 64.09