They are a group of wet-rice agriculturalists occupying the mountains in the area of northern Luzon, Philippines. Igorot are any of various ethnic groups in the mountains of this region, all of whom keep their traditional religion and way of life. Some live in the tropical forests of the foothills, but most live in rugged grassland and pine forest zones higher up. They numbered about 1.5 million in the early 21st century and the main identified groups are Bontoc, Ibaloi, Ifugao, Isneg, Kalinga and Kankanaey.