New Zealand's population growth is slowing. 

Last year's census data shows that while the population did increase by 300,000 people since the last census five years ago, the rate of growth has slowed considerably. 

But Otago University sociologist Byrndl Hohmann-Marriott told Mike Hosking that it's not a concern. 

She says our population is expected to keep growing for the next 50 years. 

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