Do you know a Kiwi in Australia? 

Chances are good that you do, because young Kiwis are coming here in record numbers.

It's being called a "brain drain", and with the median age of people leaving 29 experts are worried about what it means for New Zealand's future.

So why do so many young Kiwis leave?

And are they planning on staying away for good?

In the hack deep dive this week, we speak to young Kiwis who've made the jump across the ditch and ask an expert whether New Zealand needs to worry about so many people jumping on one-way flights.Guests:

• Asha Sundaram, Associate Professor,  University of Auckland

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