The state is inhabited by 16 major tribes – Ao Naga, Angami Naga, Chang Naga, Konyak people, Lotha Naga, Sumi Naga, Chakhesang Naga, Khiamniungan people, Bodo-Kachari people, Phom Naga, Rengma Naga, Sangtam Naga, Yimchunger, Thadou people, Zeliang and Pochury as well as a number of sub-tribes. Each tribe is unique in character with its own distinct customs, language and dress. Two threads common to all, are language and religion – English is in predominant use and Nagaland is one of three states in India where the population is predominantly Christian, with conversions starting in the British Raj era.