Statement:
The level of criminal activities is lower in Iceland than in South Korea

In the The Most Criminal Countries rating Iceland holds position #125 ²⁰²² out of 139 and South Korea is #118 out of 139 ²⁰²².
Position of Iceland is better than position of South Korea.
Iceland 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 South Korea

Referencies:

1. The Most Criminal Countries ²⁰²² by Numbeo

   The countries in the rating sorted by 'Crime Index' in descending order.

   Iceland	'Crime Index' value is	24.30
   South Korea	'Crime Index' value is	26.13