Tibet, formally known as the Tibet Autonomoius region, enjoys ethnic regional autonomy within the People's Republic of china while also being a provice-level autonomous region. It covers an area of 1,200,000 square kilometers. According to data from the fifth national census, it has a population of 2,620,000, among which over 95 percent belong to the Tibetan race. Among other ethnic groups represented are the Han, Hui, Menba, Luoba, Naxi and the Nu.