Statement:
The level of criminal activities is higher in South Africa than in Cuba

In the The Most Criminal Countries rating South Africa holds position #4 2022 out of 139 and Cuba is #107 out of 139 2022.
Position of South Africa is worse than position of Cuba.
South Africa 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 Cuba

Referencies:

  1. The Most Criminal Countries 2022 by Numbeo
    The countries in the rating sorted by 'Crime Index' in descending order.
    Cuba 'Crime Index' value is 31.72
    South Africa 'Crime Index' value is 75.37