The demographics of New Zealand encompass the gender, ethnic, religious, geographic, and economic backgrounds of the 5 million people living in New Zealand. New Zealanders, informally known as "Kiwis", predominantly live in urban areas on the North Island. The five largest cities are Auckland (with approximately one-third of the country's population), Christchurch (in the South Island, the largest island of the New Zealand archipelago), Wellington, Hamilton, and Tauranga. Few New Zealanders live on New Zealand's smaller islands. Waiheke Island (near Auckland) is easily the most populated smaller island with 9,660 residents, while Great Barrier Island, the Chatham and Pitt Islands, and Stewart Island each have populations below 1,000. New Zealand is part of a realm and most people born in t