Statement:
The level of criminal activities is lower in Saudi Arabia than in Vietnam

In the The Most Criminal Countries rating Saudi Arabia holds position #124 2022 out of 139 and Vietnam is #74 out of 139 2022.
Position of Saudi Arabia is better than position of Vietnam.
Saudi Arabia is an outsider of the "The Most Criminal Countries" rating. So in most cases, you can feel safe and unlikely will face a criminal, compared to Vietnam

Referencies:

  1. The Most Criminal Countries 2022 by Numbeo
    The countries in the rating sorted by 'Crime Index' in descending order.
    Saudi Arabia 'Crime Index' value is 24.62
    Vietnam 'Crime Index' value is 45.76