Chart of Gibraltarians population by religion

The main religion of Gibraltar is Christianity with the majority of Gibraltarians belonging to the Roman Catholic Church. Other Christian denominations include the Church of England, the Gibraltar Methodist Church, the Church of Scotland, various Pentecostal and independent churches mostly influenced by the House Church and Charismatic movements, as well as a Plymouth Brethren congregation. There is also a ward of The Church of Jesus Christ of Latter-day Saints, and Jehovah's Witnesses. There are a number of Hindu Indians, a Moroccan Muslim population, members of the Bahá'í Faith[17] and a long-established Jewish community.[18][19]

Reference 1: Proportion (%) of Gibraltarians.

Reference 2: Roman Catholic, Church of England, Muslim, Other Christian, None, Jewish, Hindu and Other or unspecified.

Source: http://en.wikipedia.org/wiki/Gibraltarian_people