[Majestic121]

What kind of train are you talking about ? Where is this ?

I've never seen any situation even remotely insecure in the years I have been taking the train regularly, either in Europe or in Asia.

Unless you conflate 'urban' train (like subways) with long distance train ? But in this case it seems like an unfair comparison : I cannot take the plane to go to work.

[slowmotiony]

The stealing was rampant in Poland when I lived there, but muggings or drunken fights happen on trains here in Germany too.

[EdwardDiego]

Sounds like an American subway. I never had any concerns about safety on German U-bahns. Although the undercover ticket police were a surprise.