Christianity is a minority religion in Malaysia. In the 2020 census, 9.1% of the Malaysian population identified themselves as Christians. About two-thirds of Malaysia's Christian population lives in East Malaysia, in the states of Sabah and Sarawak. Adherents of Christianity represent majority (50.1%) of the population in Sarawak, which is Malaysia's largest state by land area.
In 2020, half of Malaysian Christians were Catholic, 40% were Protestant and 10% belonged to other denominations.
In 2008, the major Christian denominations in the country included Roman Catholics, Anglicans (represented by the Church of the Province of South East Asia, which also covers Anglicans in Singapore and Brunei), Baptists, Brethren, non-denominational churches, independent Charismatic churches, Lutherans, Methodists, Presbyterians and Sidang Injil Borneo.
Early Christian presence in the Malay archipelago can be traced to Arab Christian traders from the Arabian Peninsula who heard the gospel from Peter the apostle at Jerusalem (Acts 2:11), as well as those evangelized by Paul's ministry in Arabia (Galatians 1:17) and the evangelistic ministry of St Thomas to the early Arabians and Nestorians from as early as the 7th century and to early Arab Christian, Persian and Nestorian traders in Malacca prior to the Portuguese conquest in 1511. The British acquired Penang in 1786, and in 1795 took over Malacca, which had been conquered by the Dutch in 1641. Catholic priests from Thailand established the Major Seminary in Penang in 1810. The LMS was based in Malacca and Penang from 1815, but most Protestant missions collapsed after 1842 when it became possible to enter China. Catholic leadership remained, but was divided between Portuguese and French. Open Brethren ministry dates from 1860 and Methodist from 1885. Presbyterianism grew through Chinese churches in Johore and expatriate congregations in Penang, Ipoh and Kuala Lumpur. Mission to Sengoi indigenous people began in 1932.