Christianity is the largest and most widely practiced religion in the British Isles, with over 50 million adherents in the UK and Ireland. The majority of Christians in the British Isles are Protestant, with the Church of England being the largest denomination. Other major Protestant denominations include the Presbyterian Church of Scotland, the Methodist Church, and the Baptist Union of Great Britain. There is also a significant Roman Catholic minority, particularly in Ireland and Northern Ireland.
Islam
Islam is the second-largest religion in the British Isles, with over 3 million adherents. The majority of Muslims in the British Isles are Sunni, with a significant Shi'a minority. Most Muslims in the British Isles are of South Asian origin, particularly from Pakistan, Bangladesh, and India.
Hinduism
Hinduism is the third-largest religion in the British Isles, with over 1 million adherents. The majority of Hindus in the British Isles are of Indian origin.
Sikhism
Sikhism is the fourth-largest religion in the British Isles, with over 500,000 adherents. The majority of Sikhs in the British Isles are of Indian origin.
Judaism
Judaism is a minority religion in the British Isles, with around 300,000 adherents. The majority of Jews in the British Isles are Ashkenazi, with a significant Sephardic minority.
Other Religions
In addition to the major religions listed above, there are a number of other religious groups represented in the British Isles, including Buddhism, Jainism, Shinto, and Baháʼí Faith.