There are 39 ethnic minorities including Yi and Tibetan ethnic groups, accounting for 5.4% of the total population. Religious activities of Buddhism, Catholicism, Christianity, Islam and Daoism can be found in Yaan. The Chinese within the boundary of Yaan falls into the category of Sichuan dialect of secondary southwestern dialect of the northern dialect and most of its elements are in line with the modern mandarin and Chengdu dialect.