New Zealand houses are among the world's most expensive when incomes are taken into account - and Auckland and Tauranga homes are less affordable than those in New York, says a major survey released today.

Low incomes and high house prices are leaving Kiwis badly off and preventing many from climbing onto the housing ladder.

The seventh annual Demographia International Housing Affordability Survey of 325 cities and regions has given us the thumbs down, putting New Zealand alongside Australia, Britain, the United States, Canada and Ireland as among the world's worst housing markets.

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