Currently, the global community comprises “195 sovereign nations, 90 of which have what I would call a critical mass of 10 million or more residents”.
As many as almost seven million out of 24 million Australians were born overseas. This number demonstrates the migration culture and history of the Australian people and nation.
There is no other nation (meaning with a critical mass of population) that has been as equally generous in absorbing migrants.
Read more on this – Australia is the most Successful Immigrant Nation