The indigenous Taiwanese aborigines number about 533,600 and are divided into 16 groups. The Ami, Atayal, Bunun, Kanakanavu, Kavalan, Paiwan, Puyuma, Rukai, Saisiyat, Saaroa, Sakizaya, Sediq, Thao, Truku and Tsou live mostly in the eastern half of the island, while the Yami inhabit Orchid Island.