This article is about the demographic features of the population of American Samoa, including population density, ethnicity, education level, health of the populace, economic status, religious affiliations and other aspects of the population.
Major Christian denominations on the island include the Congregational Christian Church in American Samoa, the Roman Catholic Church, the Church of Jesus Christ of Latter-day Saints and the Methodist Church of Samoa. Collectively, these churches account for the vast majority of the population.
J. Gordon Elton in his book claims that the Methodists, Congregationalists with the London Missionary Society, and Roman Catholics led the first Christian missions to the islands. Other denominations arrived later, beginning in 1895 with the Seventh-day Adventists, various Pentecostals (including the Assemblies of God), Church of the Nazarene, Jehovah's Witnesses and Mormons.
CIA Factbook 2010 estimate shows the religious affiliations of American Samoa as 98.3% Christian, other 1%, unaffiliated 0.7%. World Christian Database 2010 estimate shows the religious affiliations of American Samoa as 98.3% Christian, 0.7% agnostic, 0.4% Chinese Universalist, 0.3% Buddhist and 0.3% Bahá'í.
According to Pew Research Center, 98.3% of the total population is Christian. Among Christians, 59.5% are Protestant, 19.7% are Roman Catholic and 19.2% are other Christians. A major Protestant church on the island, gathering a substantial part of the local Protestant population, is the Congregational Christian Church in American Samoa, a Reformed denomination in the Congregationalist tradition. As of August 2017[update], The Church of Jesus Christ of Latter-day Saints website claims membership of 16,180 or one-quarter of the whole population, with 41 congregations, and 4 family history centers in American Samoa. The Jehovah's Witnesses claim 210 "ministers of the word" and 3 congregations.