Migrant taxpayers generated $112 billion in total personal income in 2016-17.
About 91% of total income was employee income ($102 billion).
Over half (61%) of migrant taxpayers held a skilled visa.
Skilled migrants generated $81 billion (72%) of the total income earned by migrants.

Migrant taxpayers by visa stream

61% of migrant taxpayers held a skilled visa (37% were primary applicants)

28% held a family visa (25% were primary applicants)

5.7% held a provisional visa (4.8% were primary applicants)

5.1% held a humanitarian visa (2.6% were primary applicants)

So there!

Source: Migrant-Taxpayers-2016-17---ABS.pdf