New Zealand is a unitary state rather than a federation — regions are created by the authority of the central government, rather than the central government being created by the authority of the regions. Local government in New Zealand has only the powers conferred upon it by Parliament. These powers have traditionally been distinctly fewer than in some other countries. For example, police and education are run by central government, while the provision of low-cost housing is optional for local councils. Many of them used to control ports and gas and electricity supply, but nearly all of that was privatised in the late 20th century.
New Zealand is heavily dependent on trade—particularly in agricultural products—to drive growth, and it has been affected by global economic slowdowns and slumps in commodity prices. Since agricultural exports are highly sensitive to currency values and a large percentage of consumer goods are imported, any changes in the value of the New Zealand dollar has a strong impact on the economy.
The usual climate throughout the country is mild, mostly cool temperate to warm temperate, with temperatures rarely falling below 0°C or rising above 30°C. Conditions vary from wet and cold in Southland and the West Coast of the South Island, where most of the country's rain falls, to subtropical in Northland. In Wellington the average minimum temperature in winter is 5.9°C and the average maximum temperature in summer is 20.3°C.
New Zealand has a population of slightly over 4 million. About 80% of the population is of European descent. Maori people are the second largest ethnic group (14.7%). Between the 1996 and 2001 censuses, the number of people of Asian origin (6.6%) overtook that of Pacific Islanders (6.5%) (note that the census allowed multiple ethnic affiliations).
The South Island contained most of the white population until around 1900 when the North Island again took the lead and has supported an ever greater majority of the country's total population through the 20th century and into the 21st.
The original settlers were moa hunters, a favourite food source being the large flightless birds which were not unlike ostriches and rheas. Moa were quickly pushed to extinction, since they were not adapted to human or mammalian predation. Before the coming of humans, the moa were the prey of the harpagornis or Haast's eagle, the largest bird of prey ever recorded. Harpagornis became extinct along with its prey. The moa-hunters may have merged with later waves of Polynesians who, according to Maori tradition, arrived between 952 and 1150. Some of the Maoris called their new homeland "Aotearoa," usually translated as "land of the long white cloud."
New Zealand's scenery has appeared in a number of television programmes and films. In particular, Hercules and Xena were filmed around Auckland, Heavenly Creatures in Christchurch. The Tribe is set and filmed here too. Peter Jackson shot the epic The Lord of the Rings trilogy in various locations around the country, taking advantage of the spectacular and relatively unspoiled landscapes, and Mount Taranaki was used as a stand-in for Mount Fuji in The Last Samurai. Other movies currently filming in New Zealand include King Kong and The Lion, the Witch and the Wardrobe.
Since 1984 successive governments have engaged in major economic restructuring, transforming New Zealand from a highly protectionist and regulated economy to a liberalised, free-trade economy. Despite periods of dynamic growth in the mid 1980s and early '90s, average yearly economic growth has been poorer than expected and is highly reliant on massive levels of immigration to boost GDP. However, since 1999 New Zealand has enjoyed a period of relatively strong and sustained growth.
Immigration policy in New Zealand has often been controversial, with some politicians claiming that the pace of immigration has been too rapid for New Zealand to absorb, and that recent immigrants are having trouble adapting to the New Zealand society. This position is seen by others as a cynical appeal to xenophobic sentiment in order to gain votes near election time, and these views are not widely supported by the general population.
Although less obvious today, in the past team sports, particularly Rugby football, gambling on horse races, and sharing a beer after a hard day's work with some good friends or work mates have been significant images of New Zealand life. This predominantly working-class male cultural image has previously been so strong that it has overshadowed other, perhaps higher, cultural aspects of New Zealand society.