^ 1.01.11.2Home Office: Country Information and Guidance — Vietnam: Religious minority groups (页面存档备份,存于互联网档案馆). December 2014. Quoting United Nations' "Press Statement on the visit to the Socialist Republic of Viet Nam by the Special Rapporteur on freedom of religion or belief" (页面存档备份,存于互联网档案馆). Hanoi, Viet Nam 31 July 2014. Vietnamese (页面存档备份,存于互联网档案馆). Quote, p. 8: "[...] According to the official statistics presented by the Government, the overall number of followers of recognized religions is about 24 million out of a population of almost 90 million. Formally recognized religious communities include 11 million Buddhists, 6.2 million Catholics, 1.4 million Protestants, 4.4 million Cao Dai followers, 1.3 million Hoa Hao Buddhists as well as 75,000 Muslims, 7000 Baha’ís, 1500 Hindus and others. The official number of places of worship comprises 26,387 pagodas, temples, churches and other religious facilities. [...] While the majority of Vietnamese do not belong to one of the officially recognized religious communities, they may nonetheless – occasionally or regularly – practise certain traditional rituals, usually referred to in Viet Nam under the term "belief". Many of those traditional rituals express veneration of ancestors. [...]"
^Philip Taylor. Goddess on the Rise: Pilgrimage and Popular Religion in Vietnam.
^Hoskins, Janet Alison. 2015. The Divine Eye and the Diaspora: Vietnamese Syncretism Becomes Transpacific Caodaism. p. 239. Honolulu: University of Hawaii Press ISBN978-0-8248-5140-8
^Elazar, Daniel J. People and Polity: The Organizational Dynamics of World Jewry Wayne State University Press, 1989 ISBN0-8143-1843-6 Page 472
^Cohen, Roberta The Jewish Communities of the World: Demography, Political and Organizational Status, Religious Institutions, Education, Press
Institute of Jewish Affairs in association with the World Jewish Congress, 1971, Original from the University of Michigan
ISBN0-233-96144-5 Page 74