Statement:
The level of criminal activities is lower in Thailand than in Bangladesh

In the The Most Criminal Countries rating Thailand holds position #90 2022 out of 139 and Bangladesh is #18 out of 139 2022.
Position of Thailand is better than position of Bangladesh.
Bangladesh is leader of the "The Most Criminal Countries" rating. So it is wise to avoid visiting the country or, at least, you need to take additional actions to protect your life and belongings, compared to Thailand

Referencies:

  1. The Most Criminal Countries 2022 by Numbeo
    The countries in the rating sorted by 'Crime Index' in descending order.
    Bangladesh 'Crime Index' value is 63.06
    Thailand 'Crime Index' value is 38.92