In 2005, the census reported that the five largest religions were: Buddhism, Taoism, Yiguandao, Protestantism, and Roman Catholicism. According to Pew Research, the religious composition of Taiwan in 2020 is estimated to be 43.8 per cent Folk religions, 21.2 per cent Buddhist, 15.5 Others (including Taoism), 13.7 per cent Unaffiliated, 5.8 per cent Christian and 1% Muslim. Taiwanese aborigines comprise a notable subgroup among professing Christians: "...over 64 per cent identify as Christian... Church buildings are the most obvious markers of Aboriginal villages, distinguishing them from Taiwanese or Hakka villages". There has been a small Muslim community of Hui people in Taiwan since the 17th century.