Baduy people language are similar to the general Sundanese people population. One of the differences is their beliefs and lifestyle. The Kanekes people isolate themselves from the outside world influences and strictly preserve their traditional lifestyle, while the Sundanese people are much more open to outside influences and majority of them embraces Islam. Generally, the Baduy are divided into three groups, namely "Tangtu", "Panamping" and "Dangka". The community of villages in which they live are considered "mandalas", derived from the Hindu/Buddhist concept but referring in the Indonesian context to places where religion is the central aspect of life. The first group, "Tangtu"
Growth of religion is due to several factors such as the low fertility level among Buddhists (1.6 children per woman), and the old age (median age of 34), compare to the overall population. According to a survey of religion in China in the year 2010, the number of people practicing some form of Chinese folk religion is near to 950 million (70% of the Chinese), of which 173 million (13%) practice some form of Taoist-defined folk faith. Further in detail, 12 million people have passed some formal initiation into Taoism, or adhere to the official Chinese Taoist Association. Comparing this with other surveys,