I'm curious about this. Can you point me to any resources to learn more about that? Or could you elaborate on why it is so, especially the "insecure" part?
The fact that there's minimal social safety net, certainly doesn't help either.
I recall reading some studies that came to the same conclusions as above, but I don't have them handy at the moment.
Does that lead to a lot of homelessness and crime?
Regarding crime, Singapore is one of the safest in the world. A lot of that comes down to effective policing and extremely strict sentencing that puts criminals behind bars for a very long time.
Family ties are a lot stronger, so a lot of people falling on hard times do get substantial help from their family members. But there's minimal governmental safety net of the type you find in Western Europe.