Title: British Columbia
Content:  The largest denominations by number of adherents according to the 2011 census were Christianity with 1,930,415 (44.6%); irreligion (atheist, agnostic, and so on.) with 1,908,285 (44.1%); Sikhism with 201,110 (4.7%); Buddhism with 90,620 (2.1%); Islam with 79,310 (1.8%); and Hinduism with 45,795 (1.1%).
Title: Demographics of British Columbia
Content:  The largest denominations by number of adherents according to the 2011 census were Christianity with 1,930,415 (44.6%); Irreligion (atheist, agnostic, and so on.) with 1,908,285 (44.1%); Sikhism with 201,110 (4.7%); Buddhism with 90,620(2.1%); Islam with 79,310 (1.8%); and Hinduism with 45,795 (1.1%).
Title: Religion in Canada
Content:  Religion in Canada encompasses a wide range of groups and beliefs. Christianity is the largest religion in Canada, with Roman Catholics having the most adherents. Christians, representing 67.2% of the population in 2011, are followed by people having no religion with 23.9% of the total population. Other faiths include Islam (3.2%), Hindus (1.5%), Sikhs (1.4%), Buddhists (1.1%), and Jews (1.0%). Rates of religious adherence are steadily decreasing. The preamble to the Canadian Charter of Rights and Freedoms refers to God. The monarch carries the title of "Defender of the Faith". However, Canada has no official religion, and support for religious pluralism and freedom of religion 
Title: Canada
Content:  Canada is religiously diverse, encompassing a wide range of beliefs and customs. Canada has no official church, and the government is officially committed to religious pluralism. Freedom of religion in Canada is a constitutionally protected right, allowing individuals to assemble and worship without limitation or interference. The practice of religion is now generally considered a private matter throughout society and the state. With Christianity in decline after having once been central and integral to Canadian culture and daily life, Canada has become a post-Christian, secular state. The majority of Canadians consider religion to be unimportant in their daily lives, but still believe in God. According to the 2011 National Household Survey, 67.3 percent of Canadians identify as Christian; of these, 
Title: Christianity in Canada
Content:  Christianity is the most adhered to religion in Canada, with 67.3% of Canadians identifying themselves as of the 2011 census. The preamble to the Canadian Charter of Rights and Freedoms refers to God. The monarch carries the title of "Defender of the Faith". The French colonization beginning in the 17th century established a Roman Catholic francophone population in New France, especially Acadia and Lower Canada (now Nova Scotia, New Brunswick and Quebec). British colonization brought waves of Anglicans and other Protestants to Upper Canada, now Ontario. The Russian Empire spread Orthodox Christianity in a small extent to the tribes in the far north and western coasts, particularly hyperborean nomadics like the Inuit. Orthodoxy would arrive in mainland Canada with immigrants from the eastern and southern Austro-Hungarian Empire and western Russian Empire starting in the 1890s; then refugees from the Soviet Union, Eastern Bloc, Greece and elsewhere during the last half of the 20th century.
Title: Surrey, British Columbia
Content:  The 2011 National Household Survey states, "71.4% of the population in Surrey reported a religious affiliation, while 28.6% said they had no religious affiliation. For British Columbia as a whole, 55.9% of the population reported a religious affiliation, while 44.1% had no religion. Proportionally, Surrey has more Sikhs than any other Canadian city. The top three most reported religious affiliations in Surrey were Christianity (38.2%), Irreligion (28.6%) and Sikhism (22.6%). These were also the top three most frequently reported religions in British Columbia.
Title: Religion in Canada
Content:  mainland with immigrants from the Soviet Union, Eastern Bloc, Greece and elsewhere during the 20th century. With Christianity in decline after having once been central and integral to Canadian culture and daily life, Canada has become a post-Christian, secular state  despite the majority of Canadians claiming an affiliation with Christianity. The majority of Canadians consider religion to be unimportant in their daily lives, but still believe in God. The practice of religion is now generally considered a private matter throughout society and the state. On Sundays, between 15 and 25 percent of Catholic Canadians attend Mass (15 percent weekly attenders and another 9 percent monthly).
Title: Outline of Canada
Content: Religion in Canada ; Buddhism in Canada ; Christianity in Canada ; Roman Catholicism in Canada ; Hinduism in Canada ; Islam in Canada ; Judaism in Canada ; Sikhism in Canada ; Irreligion in Canada 
Title: Religion in Canada
Content:  According to the 2011 Census, Buddhism is followed by 1.1% of the population of the Canada. Buddhism has been practised in Canada for more than a century and in recent years has grown dramatically. Buddhism arrived in Canada with the arrival of Chinese labourers in the territories during the 19th century. Modern Buddhism in Canada traces to Japanese immigration during the late 19th century. The first Japanese Buddhist temple in Canada was built at the Ishikawa Hotel in Vancouver in 1905. Over time, the Japanese Jōdo Shinshū branch of Buddhism became the prevalent form of Buddhism in Canada and established the largest Buddhist organization in Canada.
Title: Protestantism in Canada
Content:  Protestantism in Canada has existed as a major faith in Canada ever since parts of northern Canada were colonized by the English. As of 2001, 29.2% of Canadians identified as Protestant. According to a study by Pew Researchers published in 2013, 27% of Canadians are Protestant. Based on 2011 estimates, Protestant faiths collectively form the third largest religious group in Canada after the largest, Roman Catholicism, and the second largest group, those with no religious affiliation.

Question: what is the main religion in british columbia?
Answer: Protestant.
Catholic.