According to the 2006 census, the largest iwi by population is Ngāpuhi (125,601), followed by Ngāti Porou (71,049), Ngāi Tahu (54,819) and Waikato (40,083). However, over 110,000 people of Māori descent in the 2013 census could not identify their iwi. Outside of New Zealand, a large Māori population exists in Australia, estimated at 155,000 in 2011. The Māori Party has suggested a special seat should be created in the New Zealand parliament representing Māori in Australia. Smaller communities also exist in the United Kingdom (approx. 8,000), the United States (up to 3,500) and Canada (approx. 1,000).