
A state religion (also called official religion) is a religion or creed officially endorsed by a sovereign state. A state with an official religion (also known as a confessional state), while not a secular state, is not necessarily a theocracy. State religions are subject to advantageous treatment by official or government-sanctioned establishments of them, ranging from incentivising citizens to recognise and practise them through government endorsement to having public spending on the maintenance of religious property and clergy be unrestricted, but the state does not need to be under the legislative control of the clergy as it would be in a theocracy. Generally, these religions have more rights and fewer restrictions in the country than other religions in a country.
Official religions have been known throughout human history in almost all types of cultures, reaching into the Ancient Near East and prehistory. The relation of religious cult and the state was discussed by the ancient Latin scholar Marcus Terentius Varro, under the term of theologia civilis (lit. 'civic theology'). The first state-sponsored Christian denomination was the Armenian Apostolic Church, established in 301 AD. In Christianity, as the term church is typically applied to a place of worship for Christians or organizations incorporating such ones, the term state church is associated with Christianity as sanctioned by the government, historically the state church of the Roman Empire in the last centuries of the Empire's existence, and is sometimes used to denote a specific modern national branch of Christianity. Closely related to state churches are ecclesiae, which are similar but carry a more minor connotation.
In the Middle East, the majority of states with a predominantly Muslim population have Islam as their official religion, though the degree of religious restrictions on citizens' everyday lives varies by country. Rulers of Saudi Arabia use religious power, while Iran's secular presidents are supposed to follow the decisions of religious authorities since the 1979 Islamic Revolution. Turkey, which also has Muslim-majority population, became a secular country after Atatürk's Reforms, although unlike the Russian Revolution of the same time period, it did not result in the adoption of state atheism.
The degree to which an official national religion is imposed upon citizens by the state in contemporary society varies considerably; from high as in Saudi Arabia and Iran, to none at all as in Greenland, Denmark, England, Iceland, and Greece (in Europe, the state religion might be called in English, the established church).
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The degree and nature of state backing for denomination or creed designated as a state religion can vary. It can range from mere endorsement (with or without financial support) with freedom for other faiths to practice, to prohibiting any competing religious body from operating and to persecuting the followers of other sects. In Europe, competition between Catholic and Protestant denominations for state sponsorship in the 16th century evolved the principle Cuius regio, eius religio (states follow the religion of the ruler) embodied in the text of the treaty that marked the Peace of Augsburg in 1555. In England, Henry VIII broke with Rome in 1534, being declared the Supreme Head of the Church of England. The official religion of England continued to be "Catholicism without the Pope" until after his death in 1547.
In some cases, an administrative region may sponsor and fund a set of religious denominations; such is the case in Alsace-Moselle in France under its local law, following the pre-1905 French concordatory legal system and patterns in Germany.

A state church (or "established church") is a state religion established by a state for use exclusively by that state. In the case of a state church, the state has absolute control over the church, but in the case of a state religion, the church is ruled by an exterior body; for example, in the case of Catholicism, the Vatican has control over the church.
Disestablishment is the process of repealing a church's status as an organ of the state. In a state where an established church is in place, opposition to such a move may be described as antidisestablishmentarianism.
Governments where Buddhism, either a specific form of it, or Buddhism as a whole, has been established as an official religion:
In some countries, Buddhism is not recognized as a state religion, but holds special status:
The following states recognize some form of Christianity as their state or official religion or recognize a special status for it (by denomination):
Jurisdictions where Catholicism has been established as a state or official religion:
Jurisdictions that give various degrees of recognition in their constitutions to Roman Catholicism without establishing it as the State religion:
The following state recognizes some form of Eastern Orthodoxy as their state or official religion:
The jurisdictions below give various degrees of recognition in their constitutions to Eastern Orthodoxy, but without establishing it as the state religion:
The following states recognize some form of Protestantism as their state or official religion:
The Anglican Church of England is the established church in England as well as all three of the Crown Dependencies:
Jurisdictions where a Lutheran church has been fully or partially established as a state recognized religion include the Nordic States.
Jurisdictions that give various degrees of recognition in their constitutions to Lutheranism without establishing it as the state religion:
Many Muslim-majority countries have constitutionally established Islam, or a specific form of it, as a state religion. Proselytism (converting people away from Islam) is often illegal in such states except Bangladesh.
In some countries, Islam is not recognized as a state religion, but holds special status:
In some countries, there is a political ideology sponsored by the government that may be called political religion.
Note: Some secular states have bodies (such as ministries or offices within these) that recognize multiple religions, while others lack such bodies but recognize specific religions within their territory, and others are simply indifferent to the matter. Secular states do not have an official religion and typically recognize more than one religious institution (in some cases, dozens) operating within their borders, appearing in more than one category in the table below.
Nicene Christianity, as opposed to Arianism and other ideologies deemed heretical, was declared to be the state religion of the Roman Empire on 27 February 380 by the decree De fide catolica of Emperor Theodosius I.
In China, the Han dynasty (206 BC – 220 AD) advocated Confucianism as the de facto state religion, establishing tests based on Confucian texts as an entrance requirement into government service—although, in fact, the "Confucianism" advocated by the Han emperors may be more properly termed a sort of Confucian Legalism or "State Confucianism". This sort of Confucianism continued to be regarded by the emperors, with a few notable exceptions, as a form of state religion from this time until the collapse of the Chinese monarchy in 1912. Note, however, there is a debate over whether Confucianism (including Neo-Confucianism) is a religion or purely a philosophical system.
During the Mongol-led Yuan dynasty of China (1271–1368 AD), Tibetan Buddhism was established as the de facto state religion by the Kublai Khan, the founder of the Yuan dynasty. The top-level department and government agency known as the Bureau of Buddhist and Tibetan Affairs (Xuanzheng Yuan) was set up in Khanbaliq (modern Beijing) to supervise Buddhist monks throughout the empire. Since Kublai Khan only esteemed the Sakya sect of Tibetan Buddhism, other religions became less important. Before the end of the Yuan dynasty, 14 leaders of the Sakya sect had held the post of Imperial Preceptor (Dishi), thereby enjoying special power.
The Mongol rulers Ghazan of Ilkhanate and Uzbeg of Golden Horde converted to Islam in 1295 AD because of the Muslim Mongol emir Nawruz and in 1313 AD because of Sufi Bukharan sayyid and sheikh Ibn Abdul Hamid respectively. Their official favoring of Islam as the state religion coincided with a marked attempt to bring the regime closer to the non-Mongol majority of the regions they ruled. In Ilkhanate, Christian and Jewish subjects lost their equal status with Muslims and again had to pay the poll tax; Buddhists had the starker choice of conversion or expulsion.
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Listed by order of admission to the American Union:
| State | Church | Denomination | Disestablished | |
|---|---|---|---|---|
| 1 | Never had a state church, even in colonial times | N/A | N/A | |
| 2 | Never had a state church, even in colonial times | N/A | N/A | |
| 3 | Never had a state church, even in colonial times | N/A | N/A | |
| 4 | Church of England (1732-1785) Episcopal Church (1785-1789) |
Anglican | 1789 | |
| 5 | Established Congregational Churches | Reformed | 1818 | |
| 6 | Established Congregational Churches | Reformed | 1780 (state funding suspended in 1833) | |
| 7 | Roman Catholic Church (1632-1701) Church of England (1701-1776) |
Catholic (1632-1701) Anglican (1701-1776) |
1776 | |
| 8 | Church of England (1732-1785) Episcopal Church (1785-1790) |
Anglican | 1790 | |
| 9 | Established Congregational Churches | Reformed | 1790 | |
| 10 | Church of England (1732-1785) Episcopal Church (1785-1786) |
Anglican | 1786 | |
| 11 | Church of England | Anglican | 1777 | |
| 12 | Church of England | Anglican | 1776 | |
| 13 | Never had a state church, even in colonial times | N/A | N/A | |
| 14 | Never had a state church, even before joining the American Union | N/A | N/A | |
| 15 | Never had a state church | N/A | N/A | |
| 16 | Never had a state church | N/A | N/A | |
| 17 | Never had a state church | N/A | N/A | |
| 18 | Roman Catholic Church | Catholic | 1805 (year of the Louisiana Purchase) | |
| 19 | Never had a state church | N/A | N/A | |
| 20 | Never had a state church | N/A | N/A | |
| 21 | Never had a state church | N/A | N/A | |
| 22 | Never had a state church | N/A | N/A | |
| 23 | Established Congregational Churches Never had a state church while a state |
Reformed | 1780 (state funding suspended upon statehood in 1820) | |
| 24 | Never had a state church | N/A | N/A | |
| 25 | Never had a state church | N/A | N/A | |
| 26 | Never had a state church | N/A | N/A | |
| 27 | Roman Catholic Church | Catholic | 1822 (year that joined the United States as a territory) | |
| 28 | Roman Catholic Church | Catholic | 1834 (Texas Revolution) | |
| 29 | Never had a state church | N/A | N/A | |
| 30 | Never had a state church | N/A | N/A | |
| 31 | Roman Catholic Church | Catholic | 1848 (year that joined the United States as part of the Mexican Cession) | |
| 32 | Never had a state church | N/A | N/A | |
| 33 | Never had a state church | N/A | N/A | |
| 34 | Never had a state church | N/A | N/A | |
| 35 | Never had a state church | N/A | N/A | |
| 36 | Roman Catholic Church | Catholic | 1848 (year that joined the United States as part of the Mexican Cession) | |
| 37 | Never had a state church | N/A | N/A | |
| 38 | Never had a state church | N/A | N/A | |
| 39 | Never had a state church | N/A | N/A | |
| 40 | Never had a state church | N/A | N/A | |
| 41 | Never had a state church | N/A | N/A | |
| 42 | Never had a state church | N/A | N/A | |
| 43 | Never had a state church | N/A | N/A | |
| 44 | Never had a state church | N/A | N/A | |
| 45 | Roman Catholic Church (before 1848) The Church of Jesus Christ of Latter-day Saints (1849-1850, in the State of Deseret, never recognized by the US federal government) |
Catholic (before 1848) Mormon (1849-1850) |
1848 (year that joined the United States as part of the Mexican Cession) 1850 (Utah Territory created) | |
| 46 | Never had a state church, even before joining the American Union | N/A | N/A | |
| 47 | Roman Catholic Church | Catholic | 1848 (year that joined the United States as part of the Mexican Cession) | |
| 48 | Roman Catholic Church | Catholic | 1848 (year that joined the United States as part of the Mexican Cession) | |
| 49 | Russian Orthodox Church | Eastern Orthodox | 1867 (year that joined the United States as a territory) | |
| 50 | Church of Hawaii | Anglican | 1893 | |
| Constituent Countries | Church | Denomination | Disestablished |
|---|---|---|---|
| England | Church of England | Anglican | — |
| Scotland | Church of Scotland | Presbyterian | "The Kirk" remains the national church, with state control disclaimed since 1638. Not an established faith per the Church of Scotland Act 1921. |
| Wales | Church of England | Anglican | 1920 |
| Northern Ireland | Church of Ireland | Anglican | 1871 |
| Constituent Countries | Church | Denomination | Disestablished |
|---|---|---|---|
| Denmark | Church of Denmark | Lutheran | — |
| Faroe Islands | Church of the Faroe Islands | Elevated from a diocese of the Church of Denmark in 2007 (the two remain in close cooperation). | |
| Greenland | Church of Denmark | Under discussion[when?] to be elevated from the Diocese of Greenland in the Church of Denmark to a state church for Greenland, similar to the Faroese Church. |
The list of former confessional states only includes states that abolished their state religion themselves, not states with a state religion that were conquered, fell apart or otherwise disappeared.
| Country | Denomination | Disestablished |
|---|---|---|
| Bhutan | Mahayana Buddhism | – |
| Cambodia | Theravada Buddhism | – (1975-1991) |
| China | Mahayana Buddhism (Gelug school) | 1912 |
| Laos | Theravada Buddhism | 1975 |
| Mongolia | Mahayana Buddhism | 1924 |
| Myanmar | Theravada Buddhism | – (1961-2008) |
| Thailand (Siam) | Theravada Buddhism | 1932 |
| Japan | Japanese Buddhism | 1868 |
| Country | Disestablished |
|---|---|
| China | 1912 |
| Country | Disestablished |
|---|---|
| Nepal |
|
| Country | Denomination | Disestablished |
|---|---|---|
| Gambia | Islam | 2017 |
| Sudan | 2020 | |
| Tunisia | 2022 | |
| Turkey | 1928 |
| Country | Denomination | Disestablished |
|---|---|---|
| Japan | State Shinto | 1947 (de facto) |
Prohibits federal and state authorities to intervene on religion, granting freedom of religion.(still in force), instituting the separation of church and state in Brazilian law. Positivist thinker Demétrio Nunes Ribeiro urged the new government to adopt this stance. The 1891 Constitution, the first under the Republican system of government, abolished privileges for any specific religion, reaffirming the separation. This has been the case as stated in Article XIX of the 1988 Constitution of Brazil currently in force. The Preamble, however, does refer to "God's protection" over the document's promulgation, but this is not considered a legal endorsement of belief in any deity.
Article 9: The State respects and protects all lawful activities of Buddhists and of followers of other religions, [and] mobilises and encourages Buddhist monks and novices as well as the priests of other religions to participate in activities that are beneficial to the country and people.
{{cite web}}: |access-date= requires |url= (help)CS1 maint: deprecated archival service (link)... guarantees the Roman Catholic Church free and public exercise of its activities and the preservation of the relations of special co-operation with the state in accordance with the Andorran tradition. The Constitution recognizes the full legal capacity of the bodies of the Roman Catholic Church which have legal status in accordance with their own rules.
The juridical personality of the Catholic Church is recognized. The other churches, cults, entities, and associations of religious character will obtain the recognition of their juridical personality in accordance with the rules of their institution[,] and the Government may not deny it[,] aside from reasons of public order. The State will extend to the Catholic Church, without any cost, [the] titles of ownership of the real assets which it holds peacefully for its own purposes, as long as they have formed part of the patrimony of the Catholic Church in the past. The property assigned to third parties or those
The State and the Catholic Church are independent and sovereign, each within its own sphere. Their relations are regulated by the Lateran pacts. Amendments to such Pacts which are accepted by both parties shall not require the procedure of constitutional amendments.
All religious denominations are equally free before the law. Denominations other than Catholicism have the right to self-organisation according to their own statutes, provided these do not conflict with Italian law. Their relations with the State are regulated by law, based on agreements with their respective representatives.
The role played by the Catholic Church in the historical and cultural formation of the Republic is hereby recognized.
Within an independent and autonomous system, the State recognizes the Catholic Church as an important element in the historical, cultural, and moral formation of Peru and lends it its cooperation. The State respects other denominations and may establish forms of collaboration with them.
The relations between the Republic of Poland and the Roman Catholic Church shall be determined by international treaty concluded with the Holy See, and by statute. The relations between the Republic of Poland and other churches and religious organizations shall be determined by statutes adopted pursuant to agreements concluded between their appropriate representatives and the Council of Ministers.
No religion shall have a state character. The public authorities shall take into account the religious beliefs of Spanish society and shall consequently maintain appropriate cooperation relations with the Catholic Church and other confessions.
The Evangelical Lutheran Church shall be the Established Church of Denmark, and, as such, it shall be supported by the State.
the Russian Orthodox Church has become de facto state Church
'It is only natural there has been a surge in interest in religion over the past decade, given the repression that went before,' Levinson said. 'But we are particularly concerned about the growing influence of the Russian Orthodox Church – which has become the de facto state religion – to the exclusion of all other convictions.'
Just as the government has tightened control over political life, so, too, has it intruded in matters of faith. The Kremlin's surrogates in many areas have turned the Russian Orthodox Church into a de facto official religion
The Tokugawa Shogunate had sanctioned Buddhism as a state religion.
Confucianism, with its emphasis on harmony, was the prevailing "state religion", although it coexisted with Shintoism, a religion that worshipped nature gods and that was personified by the emperor.