Statement:
The level of criminal activities is lower in Iceland than in New Zealand

In the The Most Criminal Countries rating Iceland holds position #125 2022 out of 139 and New Zealand is #77 out of 139 2022.
Position of Iceland is better than position of New Zealand.
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 New Zealand

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
    New Zealand 'Crime Index' value is 44.61