The 2013 Census contains a huge amount of fascinating information that highlights the difficulties facing businesses, particularly in the Auckland area, writes Brian Gaynor.

Scientists have issued a new warning to the world’s coastal megacities that the threat from subsiding land is a more immediate problem than rising sea levels caused by global warming.

The number of New Zealanders born overseas has topped one million, according to Census statistics released today.

If proof was ever needed that forecast growth in Auckland's population will present challenges, it is to be found in the pressure on school rolls.

Nasa has revealed that one twin will be put in a rocket and the other kept on the ground as part of a study on the effects of orbiting the Earth.

What I want to think about is how grateful I am to the refugees who come and settled in NZ and how angry I am at the disregard with which we treat them, writes Dr Avril Bell.

In the final of our four part series, we look at how NZ's high rate of intermarriage is literally closing ethnic gaps - which casts doubt on distinct catagories of 'Maori families'.

Modern civilisation is heading for collapse within a matter of decades, according to a scientific study funded by Nasa.

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.

Editorial: It has been a long wait for a clear measure of New Zealand's population. Now the census confirms it's 4.24m, it's time to think about how to increase that headcount.

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.