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

In the The Most Criminal Countries rating Taiwan holds position #134 ²⁰²² out of 139 and Saudi Arabia is #124 out of 139 ²⁰²².
Position of Taiwan is better than position of Saudi Arabia.
Both countries are outsiders of the "The Most Criminal Countries" rating. So in most cases, you can feel safe and unlikely will face a criminal, compared to most countries of the World.

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
   Taiwan	'Crime Index' value is	16.15