The Prime Minister says international relationships have weakened.

While international student numbers have bounced back to new records in Australia - New Zealand's figures aren't at the same level.

Chris Luxon told Mike Hosking that the country went internal, myopic and a bit negative over the past six years - and hasn't been out in the world.

He added that "we've just been so inward looking over the last six years and we haven't been out in the world circulating, so we've got to go back to all the places where we had a fantastic reputation".

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