After the local government reforms of 1989, the term "city" began to take on two meanings in
New Zealand. Before 1989, a borough council with more than 20,000 people could be proclaimed a city. The boundaries of councils tended to follow the edge of the built-up area, so little distinction was made between the urban area and the local government area.
In 1989, the local government structure was significantly rationalised. The new district and city councils were generally much larger and covered both urban and rural land. Many places that once had a city council were now being administered by a district council.
The word "city" began to be used in a less formal sense to describe major urban areas independent of local body boundaries. This informal usage is jealously guarded. Gisborne, for example, adamantly described itself as the first city in the world to see the new millennium. Gisborne is administered by a district council, but its status as a city is not generally disputed.
The populations given in the table below are provisional New Zealand usually resident population estimates for 30 June 2007 and refer to the entire main urban area unless otherwise stated.
