"It's still not particularly clear exactly what we want from migration."
Finance Minister Nicola Willis says the door is currently open to too many low-skilled workers.
Documents show the migrant was required to pay $250 every Friday for two years.
New figures exclusively revealed by AM showed 12,300 New Zealanders have applied for citizenship in Australia since July 1.
Michael Scott Fear, 57, was deported because of his extensive criminal history - despite being a resident of Australia since 1968.
Here's the latest data.
The Labour Party has conceded immigration settings may need to be tightened, but rejects National's criticism of its record.
New Zealand's annual net migration gain is at almost 120,000.
"There are really bad, bad people out there."