Statement:
You will be less safe in Iran than in Singapore

In the Safest countries rating Iran holds position #139 2022 out of 161 and Singapore is #9 out of 161 2022.
Position of Iran is worse than position of Singapore.
Singapore is leader of the "Safest countries" rating. In general, you can feel safe. But keep in mind to not be too relaxed. Criminal threats exist in each country, compared to Iran

Referencies:

  1. Safest countries 2022 by GLOBAL PEACE INDEX
    The countries in the rating sorted by 'Score' in ascending order.
    Iran 'Score' value is 2.69
    Singapore 'Score' value is 1.33