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.
Algeria
Berber and Modern Standard Arabic are the official languages. Algerian Arabic (Darja) is the language used by the majority of the population. Colloquial Algerian Arabic is heavily infused with borrowings from French and Berber.