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This makes for interesting reading and all the following are based upon studies and surveys. I particularly like the infographic above which summarises a longer document.
Australians identify with more than 270 ancestries.
Most new migrants say they feel a strong sense of belonging to Australia and that this feeling deepens over time.
Most Australians (86 per cent) support action to tackle racism in Australia.
The vast majority of Australians (84 per cent) believe that multiculturalism has been good for Australia.
18 per cent of Australians surveyed said they had experienced discrimination because of skin colour, ethnic origin or religion.
The most often reported location of discrimination was the neighbourhood (58 per cent), followed by shopping centres (42.8 per cent) and at work (39 per cent).
I will see if I can find a more recent reference. I encourage you to go and read the rest of resource.