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Religious Adherents, 2010 (World Christian Database)1

Vietnam South-Eastern Asia World
Baha'i 0.4% 0.2% 0.1%
Buddhist 49.2% 26.8% 7.2%
Chinese Universalist 1.0% 1.9% 6.3%
Christian 8.5% 22.1% 32.8%
Confucianist 0.0% 0.2% 0.1%
Ethnoreligionist 10.4% 4.6% 3.5%
Hindu <0.1% 1.2% 13.8%
Jain 0.0% <0.1% <0.1%
Jewish <0.1% <0.1% 0.2%
Muslim 0.2% 36.8% 22.5%
Shintoist <0.1% <0.1% <0.1%
Sikh 0.0% <0.1% 0.3%
Spiritist 0.0% 0.0% 0.2%
Taoist <0.1% <0.1% 0.1%
Zoroastrian 0.0% <0.1% <0.1%
Neoreligionists 11.0% 2.3% 0.9%
Atheist 6.6% 1.1% 2.0%
Agnostic 12.6% 2.9% 9.8%

Religious Demography2

The country has an area of 127,000 square miles and a population of 83.5 million. Some estimates suggest that more than half of the population is at least nominally Buddhist. The Roman Catholic Church comprises 8 to 10 percent, several Cao Dai organizations comprise 1.5 to 3 percent, the primary Hoa Hao organization 1.5 to 4 percent, Protestant denominations 0.5 to 2 percent, and one Muslim organization less than 0.1 percent of the population. Most other citizens consider themselves nonreligious, although many practice traditional beliefs such as veneration of ancestors and national heroes.

Many Buddhists practice an amalgam of Mahayana Buddhism, Taoism, and Confucianism that is sometimes called the "triple religion." The Government Committee for Religious Affairs (CRA) cited an estimate of 10 million (12 percent of the population) practicing Mahayana Buddhists, most of whom are members of the ethnic Kinh majority and found throughout the country, especially in the populous areas of the northern and southern delta regions. There are proportionately fewer Buddhists in certain highland areas, although migration of Kinh to these areas is changing this distribution. A Khmer ethnic minority in southern Vietnam practices Theravada Buddhism. Numbering more than 1 million, they live almost exclusively in the Mekong Delta. In 1981 the officially sanctioned Vietnam Buddhist Sangha (VBS) was established. The Government does not recognize the legitimacy of the Unified Buddhist Church of Vietnam (UBCV).

There are an estimated 8 million Catholics in the country, although government statistics place the number at 5.9 million. Catholics live throughout the country, but the largest concentrations remain in the southern provinces around Ho Chi Minh City, in parts of the Central Highlands, and in the provinces southeast of Hanoi. Catholicism has revived in many areas in recent years, with newly rebuilt or renovated churches and growing numbers of people who want to be religious workers.

Government statistics put the number of Cao Dai at 2.3 million, although Cao Dai officials routinely claim as many as 5 million adherents. Cao Dai groups are most active in Tay Ninh Province, where the Cao Dai "Holy See" is located, in Ho Chi Minh City, and throughout the Mekong Delta. There are many separate groups within the Cao Dai religion; the largest is the Tay Ninh sect, which represents more than half of all Cao Dai believers. Cao Dai is syncretistic, combining elements of many faiths.

According to the Government, there are 1.2 million Hoa Hao followers; affiliated expatriate groups estimate that there may be up to 3 million adherents. Hoa Hao followers are concentrated in the Mekong Delta, particularly in provinces such as An Giang and Dong Thap, where the Hoa Hao were dominant as a social, political, and military force before 1975. The government-recognized Hoa Hao Administrative Committee (HHAC) was organized in 1999. Some Hoa Hao belong to other sects that oppose the HHAC.

The two largest officially recognized Protestant churches are the Southern Evangelical Church of Vietnam (SECV or ECVN-S) and the smaller Evangelical Church of Vietnam North (ECVN). The Grace Baptist Church and the United World Mission are also officially recognized. A growing number of other Protestant denominations are also present, including the Vietnam Mennonite Church, the Vietnam Presbyterian Church, and the Vietnam Seventh-day Adventist Church (all officially registered), as well as others yet to be registered. Estimates of the number of Protestants ranged from government figures of 610,000 to claims by churches of more than 1.6 million. There were estimates that the growth of Protestant believers has been as much as 600 percent over the past decade. Some new converts belong to unregistered evangelical house churches. Based on adherents' estimates, two-thirds of Protestants are members of ethnic minorities, including minority groups in the Northwest Highlands (H'mong, Dzao, Thai, and others) and in the Central Highlands (Ede, Jarai, and Mnong, among others).

Mosques serving the small Muslim population, estimated at between 50,000 to 80,000 people, operate in Ho Chi Minh City, Hanoi, western An Giang Province, and provinces in the southern coastal area. The Government officially estimates there are 67,000 Muslim believers. The Muslim community is composed mainly of ethnic Cham, although in Ho Chi Minh City and An Giang Province it includes some ethnic Kinh and migrants originally from Malaysia, Indonesia, and India. Approximately half of the Muslims are Sunnis; the other half practice Bani Islam, a type of Islam unique to the ethnic Cham who live on the south-central coast.

There are several smaller religious communities, the largest of which is the Hindu community. Approximately 50,000 ethnic Cham in the south-central coastal area practice a devotional form of Hinduism. Another 4,000 Hindus live in Ho Chi Minh City; some are ethnic Cham, but most are Indian or of mixed Indian-Vietnamese descent.

There are an estimated 6,000 Baha'is, largely concentrated in the south. While Baha'i followers were present prior to 1975, open practice of the Baha'i faith was banned from 1975 to 1992, and the number of believers dropped sharply during this time.

There are approximately 800 hundred members of the Church of Jesus Christ of Latter-day Saints (Mormons) throughout the country, but primarily in Ho Chi Minh City and Hanoi.

At least ten active but unregistered congregations of Jehovah's Witnesses operate in the country, each reportedly with several hundred members. Most of the congregations are in the south, with five in Ho Chi Minh City.

There is one Jewish temple in Ho Chi Minh City. While its members are primarily foreign national expatriates, the congregation is growing.

At least 14 million citizens constituting 17 percent or more of the population reportedly do not practice any organized religion. Other sources strictly define those whose activities are limited to visiting pagodas on ceremonial holidays to not be practicing Buddhists. Using this stricter definition, the number of nonreligious people in the country would be much higher, perhaps as many as 50 million. No statistics were available on the level of participation in formal religious services, but it was generally acknowledged that this number has been increasing since the early 1990s.

Ethnic minorities constitute approximately 14 percent of the population. They historically practice different traditional beliefs than those of the majority Kinh. Many ethnic minorities, particularly among the H'mong, Dao, and Jarai groups in the Northwest and Central Highlands, have converted to Protestantism.

Sources

Note: The World Christian Database (WCD) estimates, used in the Religious Adherents section above, count each person as belonging to a maximum of one religious group. For more information, see the WCD methodology document. The U.S. State Department's International Religious Freedom report estimates, used in the Religious Demography section, use less restrictive criteria in which a person who identifies with more than one religion is classified as a follower of each. In certain cases (such as Japan and other nations with strong folk religion traditions), this can cause counts to vary widely between estimates. Users are advised to consult the relevant source documents before determining which counts to cite.

1.  The World Christian Database (WCD) is based on the 2600-page award-winning World Christian Encyclopedia and World Christian Trends, first published in 1982 and revised in 2001. This extensive work on World religion is now completely updated and integrated into the WCD online database. Designed for both the casual user and research scholar, information is readily available on religious activities, growth rates, religious literature, worker activity, and demographic statistics. Additional secular data is incorporated on population, health, education, and communications. A dataset with these and the other international measures highlighted on the country pages can be downloaded from this website. Used with permission.

2.  The U.S. State Department's International Religious Freedom Report is submitted to Congress annually by the Department of State in compliance with Section 102(b) of the International Religious Freedom Act (IRFA) of 1998. This report supplements the most recent Human Rights Reports by providing additional detailed information with respect to matters involving international religious freedom. It includes individual country chapters on the status of religious freedom worldwide. A dataset with these and the other international measures highlighted on the country pages can be downloaded from this website. These State Department reports are open source.