As of the 2011 Census of India, Arunachal Pradesh has a population of 1,382,611 and an area of 83,743 square kilometres (32,333 sq mi). It is an ethnically diverse state, with predominantly Monpa people in the west, Tani people in the center, Tai people in the east, and Naga people in the south of the state. About 45 tribes/sub-tribes live in the state.