Well, according to the crime and safety index rank by Numbeo, Milan ranks 155 out of 338 countries in 2018.
Is Milan Safe for Tourists? Read My Personal Experience

LIVING IN MILAN
The first word that Google suggests to complete the search “via Padova Milano” is “dangerous”. It is a superficial definition that has been circulating especially among foreigners?
Well, according to the crime and safety index rank by Numbeo, Milan ranks 155 out of 338 countries in 2018.