Because of its long isolation from the rest of the world, New Zealand has extraordinary flora and fauna. Until the arrival of the first humans just a millennium or two ago, 80% of the land was forested and, barring two species of bat, there were no non-marine mammals at all. Instead, New Zealand's forests were inhabited by a diverse range of birds (many of them flightless), reptiles, and insects—some of them almost the size of a mouse (see weta).
New Zealand has no native land mammals apart from some rare bats. Later Maori largely subsisted by cultivating the kumara, a type of sweet potato, which they had brought with them from Polynesia.
During the late 1980s, the New Zealand Government sold a number of major trading enterprises, including its telecommunications company, railway network, a number of radio stations and two financial institutions in a series of asset sales. Although the New Zealand Government continues to own a number of significant businesses, collectively known as State-Owned Enterprises (SOEs), they are operated through arms-length shareholding arrangements as stand alone businesses that are required to operate profitably, just like any privately owned enterprise. Various items of protective legislation establish business objectives yet prevent shareholding governments from having influence over day to day operations of the business.
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 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 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 is the most geographically isolated of all countries. Its closest neighbour Australia is 2,000 km to the northwest of the main islands across the Tasman Sea. The only landmass to the south is Antarctica, and to the north are New Caledonia, Fiji, and Tonga.
The conservative National Party and the left-leaning Labour Party have dominated New Zealand political life since a Labour government came to power in 1935. During 14 years in office (1935 - 1949), the Labour Party implemented a broad array of social and economic legislation, including comprehensive social security, a large scale public works programme, a 40-hour working week, a minimum basic wage, and compulsory unionism. The National Party won control of the government in 1949 and adopted many welfare measures instituted by the Labour Party. Except for two brief periods of Labour governments in 1957 - 1960 and 1972 - 1975, National held power until 1984.
New Zealand imports much of its cultural material from overseas, particularly from Britain or the United States. Most successful Hollywood films screen on New Zealand cinema screens and New Zealand Television shows a lot of British and American television programmes. It is somewhat ironic that some of these programmes are now made in New Zealand but receive their first screening elsewhere. The New Zealand cinematographic industry is becoming one of the country's major export enterprises, with several major motion pictures being filmed on New Zealand locations recently, including the highly acclaimed film adaptation of Tolkien's "The Lord of the Rings" directed by the Kiwi Peter Jackson.
Rugby as a sport is closely linked to New Zealand's national identity. The national rugby team is called the All Blacks and has the best winning record of any national team in the world. The style of name has been followed in naming the national team in several other sports. New Zealand's national sporting colours are not the colours of its flag, but are black and white (silver). The silver fern is a national emblem worn by New Zealanders representing their country in sport. The haka—a traditional Maori challenge—is often performed at sporting events. The All Blacks traditionally perform a haka before the start of play.
Christianity is the predominant religion in New Zealand, although over a quarter of the population has no religious affiliation. The main Christian denominations are Anglicanism, Presbyterianism, Roman Catholicism and Methodism. There are also significant numbers who identify themselves with Pentecostal and Baptist churches and with the Mormon church. The New Zealand-based Ratana church has many adherents among Maori. According to census figures, other significant minority religions include Hinduism, Buddhism and Islam.
New Zealand became a British colony in 1840 following the signing of the Treaty of Waitangi between the Crown and Maori chiefs. The Crown was represented by William Hobson, who was Lieutenant-Governor of New Zealand. At that time New Zealand was a dependent colony of New South Wales.
New Zealand was originally settled by waves of Polynesians, some time between 1000 and 1300, although some evidence now suggests an earlier settlement. Those in the main islands of New Zealand became the Maori people. Separate settlement of the tiny Chatham Islands in the east of New Zealand produced the Moriori people, but it is uncertain whether they went there direct from Polynesia or were mainland Maori who ventured eastward.