A map showing the followers of the ethnic religions of (East) Asian countries (Chinese Shenism, Japanese Shinto, Korean Sinism [or Muism], Vietnamese Thanism, Laotian Sadsana Phi, Nepalese Kiratism [or Yumaism], and data for Mongolian, Bhutanese and Burmese ethnic religions) by percentage in each country. Note that the Chinese folk religion includes Taoism.
Self-made. Based on Pew Research Center Global Religious Landscape 2010 data for folk religions.
Further information available in articles of Wikipedia discussing the topic: Chinese folk religion; Korean shamanism; Shinto; Vietnamese folk religion; Sadsana Phi; Kiratism; Mongolian shamanism; Religion in Bhutan; religion in Burma; religion in China; religion in Japan; religion in Korea; religion in Laos; religion in Malaysia; Religion in Mongolia; religion in Nepal; religion in Singapore; religion in Taiwan; religion in Vietnam; religion in Xianggang.