Since I am free to live anywhere I like and I'm living in Hong Kong then the answer must logically be Hong Kong. If, all things considered, I preferred to live somewhere else then presumably I would be living there.
@ dd compared to hk.
Against median salary incomes in those cities, housing in Melbourne and Sydney are amongst the most expensive in the world.
I feel as safe in Melbourne and Sydney city as I do Hong Kong.
Seriously though, I lived in Australia on and off for twenty years including Perth, Adelaide, Melbourne and Sydney as well as some rural towns that most haven't heard of. The problem of binge drinking speed taking petty criminals is there in all four states. Getting your car nicked is normal.