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According to 2015 Believers in Christ from a Muslim Background": A Global Census study published by Baylor University institute for studies of religion, it estimates that 10.2 million Muslims converted to Christianity.
Due primarily to conversion, Christianity has grown in South Korea from 2.0% in 1945 to 29.3% in 2010.
The following is a list of notable people who converted to Christianity from a different religion or no religion. This article addresses only past voluntary professions of faith by the individuals listed, and is not intended to address ethnic, cultural, or other considerations such as Marriage. Certain people listed here may be lapsed or former converts, or their current religious identity may be ambiguous, uncertain or disputed. Such cases are noted in their list entries.
Tony Fontane — popular recording artist in the 1940s and 1950s
Wernher von Braun (1912–1977) — German aerospace engineer and space architect considered a "father of rocket science". Von Braun's religious conversion occurred in 1946 after he visited a church in Texas.
Barbara Jones — Jamaican singer who after becoming a Christian gave up her secular career and released four Gospel albums.
Gloria Gaynor — American singer, best known for her disco era hits, notably "I Will Survive". After what she referred to as a sinful lifestyle, and a search in different faiths, she became a Christian and rejected several things from her former musical career.
Tony Orlando — American producer who reached fame as the lead singer of the group Tony Orlando and Dawn in the early 1970s. Interviewed on The 700 Club, he explained that he became a Christian in 1978, after life struggles.
Lou Gramm — lead singer of 1980s band Foreigner. He struggled with sex, drugs and rock 'n' roll, and in 1992, after having completed a stint in a rehab center, he became a born again Christian. After surviving a brain tumour, he released a Christian rock album The Lou Gram Band (2009).
Lord Kenya — pioneer of Ghanaian Hiplife and multiple award-winning musician who in 2010 became a Christian after visiting a Church where he said he had an experience with the Holy Spirit and a warning of repentance. He changed his life direction and became an evangelist under his real name Abraham Philip Akpor Kojo Kenya.
Dave Mustaine — former lead guitarist of Metallica and co-founder and lead guitarist of Megadeth. Though raised as a Jehovah Witness, he left religion early in his youth and later practiced satanism and occult practices. In 2002 he became a born-again Christian.
Kunle Ajayi — Nigerian saxophonist and veteran of Gospel music in his country. He became a Christian when he was in High School. Later, along with his musical career, he also became a Pastor.
Abraham Laboriel — prominent Mexican bassist who has participated in over 5,000 studio albums along with international musicians. He became a Christian and recorded several Gospel albums and he has continued to play along with Christian and secular musicians.
G.E.M. — notable Hong Kong singer who was baptized and became a Christian in 2011.
Vanity — former front woman of Vanity 6 who after becoming a Christian renounced her stage name and music and started to preach in different parts of the U.S.
"Pentecostalism: Massive Global Growth Under the Radar". Pulitzer Center. 9 March 2015. Today, one quarter of the two billion Christians in the world are Pentecostal or Charismatic. Pentecostalism is the fastest growing religion in the world.
"More Religion, but Not the Old-Time Kind". The New York Times. 3 August 2005. The world's fastest-growing religion is not any type of fundamentalism, but the Pentecostal wing of Christianity.
"Witnessing The New Reach Of Pentecostalism". The Washington Post. 3 August 2002. Pentecostalism is widely recognized by religious scholars as the fastest-growing Christian movement in the world, reaching into many different denominations.
"Canadian Pentecostalism". McGill–Queen's University Press. 9 February 2009. One of the most significant transformations in twentieth-century Christianity is the emergence and development of Pentecostalism. With over five hundred million followers, it is the fastest-growing movement in the world. An incredibly diverse movement, it has influenced many sectors of Christianity, flourishing in Africa, Latin America, and Asia and having an equally significant effect on Canada.
"Protestantism: The fastest growing religion in the developing world". The Manila Times. 18 November 2017. At the heart of this religious resurgence are Islam and Pentecostalism, a branch of Protestant Christianity. Islam grew at an annual average of 1.9 percent between 2000 and 2017, mainly as the result of a high birth rate. Pentecostalism grew at 2.2 percent each year, mainly by conversion. Half of developing-world Christians are Pentecostal, evangelical or charismatic (all branches of the faith emphasize the authority of the Bible and the need for a spiritual rebirth). Why are people so attracted to it?.
"Why is Protestantism flourishing in the developing world?". The Economist. 18 November 2017. Pentecostalism grew at 2.2 percent each year, mainly by conversion. Half of developing-world Christians are Pentecostal, evangelical or charismatic.
F. Harik, Iliya (2017). Politics and Change in a Traditional Society: Lebanon 1711-1845. Princeton University Press. p. 241. ISBN9781400886869. the Abillama' amirs, were mostly Christians converted from the Druze faith.
Shwayri, Raif (2016). Beirut on the Bayou: Alfred Nicola, Louisiana, and the Making of Modern Lebanon. SUNY Press. p. 14. ISBN9781438460956. The Abillamah, by the way, also converted to Christianity when the Metn Mountains came to be densely inhabited by Christians, a second conversion for them, given that they already turned Druze earlier, relinquishing the Sunni religion
Nisan, Mordechai (2004). The Conscience of Lebanon: A Political Biography of Etienne Sakr (Abu-Arz). Routledge. p. 14. ISBN9781135759520. Other earlier converts were the Abillamah Druze Emirs and Harfush Shiite.
al- H̲azīn, Farīd (2000). The Breakdown of the State in Lebanon, 1967–1976. Harvard University Press. p. 35. ISBN9780674081055. So did other amirs, like the originally Druze Abi-llamah family, which also became Maronite
Salibi, Kamal (1900). A House of Many Mansions: The History of Lebanon Reconsidered. University of California Press. p. 162. ISBN9780520071964. namely the emirs of the house of Abul - Lama, used to be Druzes before they converted to Christianity and became Maronites
John Wilson, The Star of Bethlehem and the Magi from the East: A Sermon Preached on the Occasion of the Baptism of a Parsi Youth 31 August, MDCCCLVI, Smith Taylor & Co, Bombay, 2nd ed, 1857
"In the winter of 1959 experienced a conversion to Christian faith which had been preceded by a kind of intellectual conversion while he was working on his first book." René Girard:A Biographical Sketch, by James G. Williams
Rettenmund, Matthew (1996). Totally Awesome 80s: A Lexicon Of the Music, Videos, Movies, TV shows, Stars, and Trends Of That Decadent Decade. Macmillan. p. 57. ISBN0-312-14436-9.
Rapp, S.H. Jr. (2003). Studies in Medieval Georgian Historiography: Early Texts and Eurasian Contexts. Corpus Scriptorum Christianorum Orientalium. Vol. 113. Peeters. ISBN978-90-429-1318-9.
Rassam, Suha (2005). Christianity in Iraq: Its Origins and Development to the Present Day. Gracewing Publishing.
Wardrop, Margery; Wardrop, J.O. (2006). "Life of St. Nino". In Margery Wardrop; Kirsopp Lake; G.H. Gwilliam; C.F. Rogers (eds.). Studies in Biblical and Patristic Criticism: Or Studia Biblica Et Ecclesiastica. Vol. 5. Gorgias Press. ISBN1-59333-470-2.