The equivalent of the population of the Wellington region dies each year in China because of air pollution, according to the country's former Health Minister.

The South Island has had bigger median income gains than the North over the past seven years, Census figures show.

Our house prices are high, our wages are low - so why is the world coming home to New Zealand?

NZ's population has passed the 4.5 million mark, according to Statistics NZ - meet the baby that pushed us over that milestone.

New Zealand has more ethnicities than there are countries in the world, the 2013 census has revealed.

Personal income has fallen dramatically in South Auckland compared to more affluent Auckland areas, according to the latest Census data.

About 280,000 New Zealanders are waiting for elective surgery, and more than half are not on waiting lists, new research shows.

Statistics New Zealand has released key census information on the country's population, its mix of ages and sexes, and where people choose to live.

New Zealand's population is now 4.24 million and is getting older and more ethnically diverse, this year's census has shown. Click here to see an interactive map from the data.

Small is beautiful, but it can also be precarious, and New Zealand will need to work hard to stay in the Prosperity Index's top five. Rod McNaughton.

New Zealand has been rated the fifth most prosperous nation to live in, according to an international report.

City's unemployment at lowest level since 2011 with average pay up to $1135 a week, writes Anne Gibson.

Jump in arrivals will put further pressure on Auckland and Christchurch housing stocks, says economist.

Super City's population nudging 1.5m while there were falls in many regional centres and country areas in the North Island.

Christchurch's population has predictably slumped since the earthquakes, but many people have moved to outlying areas, Census figures reveals.

Reduced growth figures suggest revision of Auckland's infrastructure plans needed, claims Statistics Minister.

New Zealanders work longer hours than the average of their peers in other developed countries but produce a fifth less, a new report finds.

The New Zealand population aged 65 and over has doubled since the early 1980s and is likely to double again by 2040, Statistics New Zealand says.

Auckland is unique because few cities can claim to be both a world-class urban centre and a beautiful garden city with so much scope for outdoor activities, writes Sudhir Rajagopalan.

Natalie Jackson's presentation about ageing to Local Government NZ's annual conference in Hamilton this week was a sobering look into the future, says Bernard Hickey.

The idea that New Zealand has become one of the most unequal societies in the developed world is just not supported by the data, writes Brian Fallow.

A Hamilton radio personality - sick of his fiance being leered at and heckled - wants action to address antisocial behaviour in the central city's plaza.