forty million people in Africa (see population estimation). These Berber speakers are mainly concentrated in Morocco and Algeria, followed by Mali, Niger, and Libya. Smaller Berber-speaking communities are also found as far east as Egypt, with a southwestern limit today at Burkina Faso. Groups Although most Maghrebis are of Berber ancestry, only some scattered Berber ethnicities succeeded in preserving Berber languages into modern times. Religion The Berber identity encompasses language, religion, and ethnicity, and is rooted in the entire history and geography of North Africa. Berbers are not an entirely homogeneous ethnicity, and they include a range of societies, ancestries, and lifestyles. The unifying forces for the Berber people may be their shared language or a collective identification with Berber heritage and history. As a legacy of the spread of Islam, the Berbers are now mostly Sunni Muslim. However, the Mozabite Berbers of the Saharan Mozabite Valley and Libyan Berbers in Nafusis and Zuwara are primarily adherents of Ibadi Islam. In antiquity, before the arrival of Abrahamic faiths into North Africa, the Berber people adhered to the traditional Berber religion. This traditional religion emphasized ancestor veneration, polytheism, and animism. Many ancient Berber beliefs were developed locally, whereas others were influenced over time through contact with other traditional African religions (such as the Ancient Egyptian religion), or borrowed during antiquity from the Punic religion, Judaism, Iberian mythology, and the Hellenistic religion. The most recent influence came from Islam and pre-Islamic Arab religion during the medieval period. Some of the ancient Berber beliefs still subtly exist today within the Berber popular culture and tradition. Until the 1960s, there was also a significant Jewish Berber minority in Morocco, but emigration (mostly to Israel and France) dramatically reduced their number to only a few hundred individuals. Following Christian missions, the Kabyle community in Algeria has a recently constituted Christian minority, both Protestant and Roman Catholic; and a 2015 study estimates that 380,000 Muslim Algerians have converted to Christianity in Algeria. There are Berbers among the 8,000–40,000 Moroccans who have converted to Christianity in the last decades, some of whom explain their conversion as an attempt to go back to their "Christian sources". The International Religious Freedom Report for 2007 estimates that thousands of Tunisian Berber Muslims have converted to Christianity. Notable Berbers Some of the best known of the ancient Berbers are the Numidian kings Masinissa and Jugurtha, the Berber-Roman author Apuleius, Saint Augustine