Title: Religion in Austria
Content:  Catholicism is the largest religion in Austria, representing 57.9% of the total population in 2017. The Catholic Church's governing body in Austria is the Austrian Conference of Catholic Bishops, made up of the hierarchy of the two archbishops (Wien, Salzburg), the bishops and the abbot of territorial abbey of Wettingen-Mehrerau. Nevertheless, each bishop is independent in his own diocese, answerable only to the Pope. The current president of the Conference of Catholic Bishops is Cardinal Christoph Schönborn, who belongs to the Central European noble family of Schönborn. Although Austria has no primate, the archbishop of Salzburg is titled Primus Germaniae (Primate of Germany). The organization Call to Disobedience (Aufruf zum Ungehorsam) is an Austrian movement mainly composed of dissident Catholic priests which started in 2006. The movement claims the support of the majority of Austrian Catholic priests and favours ordination of women, married and non-celibate priesthood, allowing Holy Communion to remarried divorcees and non-Catholics in contrast to teachings of the Catholic Magisterium.
Title: Religion in Austria
Content:  Eastern Orthodox and Oriental Orthodox churches grew over the last decades due to the coming of South Slavic immigrants from the Balkans to Austria. The largest group of Eastern Orthodox in Austria are Serbs. The Vienna Institute of Demography of the Austrian Academy of Sciences estimated in that there were 397,219 Eastern Orthodox Christians in Austria in 2016, representing the 4.6% of the total population.
Title: Religion in Austria
Content:  than 200,000—was reduced to around 4,500 during the Second World War, with about 65,000 Jewish Austrians killed in the Holocaust and 130,000 emigrating. The large majority of the current Jewish population are post-war immigrants, particularly from eastern Europe and central Asia (including Bukharan Jews). Buddhism was legally recognised as a religion in Austria in 1983. Austria was greatly affected by the Protestant Reformation, to a point where a significant part of the population became Protestant. Lutheranism was the most successful Protestant confession; that was the case among other German-speaking populations across the Holy Roman Empire and Austria was indeed one of them. Calvinism did not receive that much support. The prominent 
Title: Culture of Austria
Content:  As in 2001 about 73.6% of the native population identify themselves as Roman Catholic, while 4.7% consider themselves Protestant. Some 400,000 Austrians are members of diverse Muslim communities, about 180,000 are members of the Eastern Orthodox Church, about 10,000 are Buddhist and about 7,300 are Jewish. Prior to the Holocaust, about 200,000 Jews lived in Austria. About 12% of the population does not belong to any church or religious community.
Title: Austria
Content: 44% of Austrian citizens responded that "they believe there is a God." ; 38% answered that "they believe there is some sort of spirit or life force." ; 12% answered that "they do not believe there is any sort of spirit, God, or life force."  In 2001, about 74% of Austria's population were registered as Roman Catholic, while about 5% considered themselves Protestants. Austrian Christians, both Catholic and Protestant, are obliged to pay a mandatory membership fee (calculated by income—about 1%) to their church; this payment is called "Kirchenbeitrag" ("Ecclesiastical/Church contribution"). Since the second half of the 20th century, the number of adherents and churchgoers has declined. Data for 2018 from the Austrian Roman Catholic Church list 5,050,000 members, or 56.9% of the total Austrian population. 
Title: Austrians
Content:  rise since the 1980s. An estimated 66% of Austrians adhered to Roman Catholicism in 2009, compared to 78% in 1991 and 89% in 1961. There is a traditional Lutheran minority, accounting for 4% of the population in 2009 (down from 6% in 1961). An estimated 17% are nonreligious (as of 2005). Islam in Austria has grown rapidly during the 1990s and 2000s, rising from 0.8% in 1971 to an estimated 6% in 2010, overtaking the traditional size of the Lutheran community in Austria. This rapid growth was due to the significant immigration to Austria from Turkey and Former Yugoslavia during the 1990s to 2000s.
Title: Religion in Austria
Content:  Christianity is the predominant religion in Austria. At the 2001 census, 73.6% of the country's population was Catholic. , the number of Catholics has dropped to 56.9% of the population, according to data provided by the Austrian Catholic Church itself. There is a much smaller group of Evangelicals, totalling about 4.7% of the population in 2001, shrunk to 3.3% in 2018. Since 2001, these two historically dominant religious groups in Austria recorded losses in the number of adherents. The Catholic Church reported an absolute drop of 15.7%, the Evangelical Lutheran and Evangelical Reformed churches of 1.3%. In relative numbers the losses of the smaller Evangelical churches account for 33.7%, compared to Catholic losses which account for 21.9%, since their maximum in 1971. In contrast, 
Title: Religion in Austria
Content:  Hinduism is a minority religion in Austria, and according to the 2001 census, it was the religion of 3629 people. Since 1998, the 'Hindu Community in Austria' (HRÖ), the official representative of Hindus in Austria, has been able to call itself an 'Official registered confessional community', yet does not enjoy full legal recognition from the state.
Title: Demographics of Austria
Content: Sikhism in Austria ; Hinduism in Austria ; Buddhism in Austria ; Roman Catholicism in Austria ; Islam in Austria ; History of the Jews in Austria ; Pre-Christian Alpine traditions In 2001, about 74% of Austria's population were registered as Roman Catholic, while about 5% considered themselves Protestants. Austrian Christians, both Catholic and Protestant, are obliged to pay a mandatory membership fee (calculated by income—about 1%) to their church; this payment is called "Kirchenbeitrag" ("Ecclesiastical/Church contribution"). Since the second half of the 20th century, the number of adherents and churchgoers has declined. Data for the end of 2016 from the Austrian Roman Catholic church lists 5,162,622 members, or 58.8% of the total Austrian population. Sunday church attendance was 605,828 or 7% of the total Austrian population 
Title: Religion in Austria
Content:  settle in the Habsburg Empire. In 1781, in the era of Austrian enlightenment, Emperor Joseph II issued a Patent of Tolerance for Austria that allowed other confessions a limited freedom of worship. Religious freedom was declared a constitutional right in Cisleithania after the Austro-Hungarian Ausgleich in 1867, thus paying tribute to the fact that the monarchy was home to numerous religions besides Catholicism such as Greek, Serbian, Romanian, Russian, and Bulgarian Orthodox Christians (Austria neighboured the Ottoman Empire for centuries), both Calvinist and Lutheran Protestants, and Jews. In 1912, after the annexation of Bosnia Hercegovina in 1908, Islam was officially recognised in Austria. The Austrian Jewish community of 1938—Vienna alone counted 

Question: What is the religion of Austrian Empire?
Answer: Catholic Church.
Roman Catholic Church.
Church.
Roman Apostolic Catholic Church.