Algeria
Islam is the predominant religion in Algeria, with its adherents, mostly Sunnis, accounting for 99% of the population according to a 2012 CIA World Factbook estimate, and 97.9% according to Pew Research in 2010. There are about 150,000 Ibadis in the M'zab Valley in the region of Ghardaia.
Ahmadiyya in Algeria
Ahmadiyya is a religious sect in Algeria, with around 2,000 followers. Its presence in the country dates back to the 1970s.