Title: Religion in Sweden
Content:  until the turn of the 21st century. In recent years, the Swedish religious landscape has become increasingly diverse, with Christians comprising in 2019 some 62.9% (of which 56.4% belonging to the Church of Sweden) of the total population and rising numbers of people of other religions and people who don't belong to any church (34.8%). The Lutheran Church of Sweden — which was the state religion until 2000 — is by far the largest Christian denomination but is facing a continuous decline in registered membership 56.4% of the total population in 2019, 2.9 % less than two years earlier in 2017 Other minor Christian denominations include Free churches, the Catholic Church and Eastern Orthodox Churches, while members of other religions are mostly Muslims, Buddhists, Hinduists and Jews, whose numbers grew significantly with recent international immigration.
Title: Religion in Sweden
Content:  In 2017, the Pew Research Center found in their Global Attitutes Survey that 59.9% of the Swedes regarded themselves as Christians, with 48.7% belonging to the Church of Sweden, 9.5% were Unaffiliated Christians, 0.7% were Pentecostal Protestants, 0.4% were Catholics, the Eastern Orthodox and the Congregationalist were the 0.3% each. Unaffiliated people were the 35.0% divided in 18.8% Atheists, 11.9% nothing in particular and 4.3% Agnostics. Muslims were the 2.2% and members of other religions were the 2.5%. In 2016 the International Social Survey Programme found that 70.2% of the Swedish population declared to belong to a Christian denomination, with the Church of Sweden being the largest Church accounting for the 
Title: Religion in Sweden
Content:  of the respondents; the Free Church was the second-largest Church accounting for the 2.8%, the Roman Catholics were the 0.7% and the Eastern Orthodox were the 0.5%; members of other Christian denominations comprised the 0.4% of the total population. A further 28.5% declared to have no religion, 1.1% to be Muslim and 0.3% declared to belong to other religions. In 2015 the Eurobarometer found that Christianity was the religion for 47.6% of the respondents, with Protestantism being the main denomination with 36.5%, followed by other Christians with 8.6%, Catholics with 1.6% and Eastern Orthodox with 0.8%. 31.0% of the sample declared to be Agnostic and 19.0% declared to be atheist.
Title: Irreligion in Sweden
Content: Only 1 in 10 Swedes thinks religion is important in daily life. ; Only 1 in 10 Swedes has trust in a religious leader. Under 5 out of 10 children are christened in the church. ; Around 1 out of 3 weddings take place in church. ; Around 3 out of 4 Swedes have Christian burials. Sweden is considered one of the world's most secular nations, with a high proportion of irreligious people. Phil Zuckerman, an Associate Professor of Sociology at Pitzer College, writes that several academic sources have in recent years placed atheism rates in Sweden between 46% and 85%, with one source reporting that only 17% of respondents self-identified as "atheist". Gallup Poll found in 2016 that 18% of Swedes self-report as atheist and 55% as non-religious. Sweden's official website asserts that 
Title: Religion in Sweden
Content:  this figure had fallen to 56.4%. Other religious organizations keep count of their registered membership, and as reported in the table, as of 2019 the largest religious denominations after the Church of Sweden (56.4%) were the officially registered Muslims (1.9%), members of the Orthodox Church (1.5%), Catholics (1.2%) and members of the Uniting Church in Sweden (1.1%). Eight recognized religious denominations, in addition to the Church of Sweden, raise revenues through member-contributions made through the national tax system. All recognized denominations are entitled to direct government financial support, contributions made through the national tax system, or a mix of both. Certain Christian holidays are national holidays. School students from minority religious 
Title: Religion in Sweden
Content: About 4 out of 10 (40.0%) children are christened in the Church of Sweden. ; About 1 out of 3 (29.7%) weddings take place in church. ; About 2 out of 3 (69.7%) swedes have Christian burials. It is an Evangelical Lutheran community of faith manifested in parishes and dioceses. The church also has a national organisation. ; It is an open national church which, working with a democratic organisation and through the ministry of the church, covers the whole nation. ; The primate of the Church of Sweden is the Archbishop of Uppsala. The Church of Sweden (Svenska kyrkan) is the largest Christian church in Sweden, and also the largest religious body. The church professes the Lutheran faith and is a member of 
Title: Religion in Sweden
Content:  Religion in Sweden has, over the years, become increasingly diverse. Christianity was the religion of virtually all of the Swedish population from the 12th to the early 20th century, but it has rapidly declined throughout the late 20th and early 21st century. Christianity came to Sweden as early as the 9th century mainly as a result of an expansion in trade. The ancient Nordic religions were slowly replaced. Several centuries later all monarchs were Christian and Christianity became the established official religion. The church belonged to the Catholic Church until 1527 when the Swedish state church was established as a Protestant church based on Lutheran principles, following the Protestant Reformation enacted by Martin Luther which converted most of Germanic Europe. The Lutheran Church of Sweden was formed and remained the official religion of the Christian 
Title: Religion in Sweden
Content:   In 2019 there were 6,498,434 formal affiliated Christians in Sweden, comprising 62.9% of the total population. A survey by the Pew Research Center found in Spring 2016 that 66.7% out of a sample of 1,000 Swedes claimed to be Christians.
Title: Religion in Sweden
Content:  As of 2016, 6,484,203 people, or 64.9% of the total population, were registered members of the various Protestant denominations in Sweden.
Title: Irreligion in Sweden
Content:  three out of 10 Swedes state that they have confidence in the church. The article lists the following facts about religion in Sweden: Statistics from the Church of Sweden state that: Many Swedes attend church due to traditional or cultural reasons, but are otherwise not practicing Christians. One poll found that only 25% of Swedish people actually believe in Jesus. Relatedly, the Swedish government has passed several secular reforms over the years: a legal opt-out of the previously mandatory 1.1% church tax was allowed in 1951; automatic birthright membership in the Church of Sweden ─ the organization's enrollment practice since the 1850s ─ ended in 1996; and the Church of Sweden was formally separated from the state on 1 January 2000, leaving Sweden as (back then) "the only Nordic country without a state church".

Question: what is the most popular religion in sweden?
Answer: Lutheran.
Lutheran Church of Sweden.
Christianity.