Islam is the predominant religion with 99% of the population. Almost all Algerian Muslims follow Sunni Islam, with the exception of some 200,000 Ibadis in the M'zab Valley in the region of Ghardaia.
There are also some 250,000 Christians in the country, including about 10,000 Roman Catholics and 150,000 to 200,000 evangelical Protestants (mainly Pentecostal), according to the Protestant Church of Algeria's leader Mustapha Krim. Algeria had an important Jewish community until the 1960s. Nearly all of this community emigrated following the country's independence, although a very small number of Algerian Jews continue to live in Algiers