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Religion

Arabs are mostly Muslims with a Sunni majority and a Shia minority, one exception being the Ibadis, who predominate in Oman. Arab Christians generally follow Eastern Churches such as the Greek Orthodox and Greek Catholic churches, though a minority of Protestant Church followers also exists. There are also Arab communities consisting of Druze and Baháʼís. Historically, there were also sizeable populations of Arab Jews around the Arab World.

Before the coming of Islam, most Arabs followed a pagan religion with a number of deities, including Hubal, Wadd, Allāt, Manat, and Uzza. A few individuals, the hanifs, had apparently rejected polytheism in favor of monotheism unaffiliated with any particular religion. Some tribes had converted to Christianity or Judaism. The most prominent Arab Christian kingdoms were the Ghassanid and Lakhmid kingdoms. When the Himyarite king converted to Judaism in the late 4th century, the elites of the other prominent Arab kingdom, the Kindites, being Himyirite vassals, apparently also converted (at least partly). With the expansion of Islam, polytheistic Arabs were rapidly Islamized, and polytheistic traditions gradually disappeared.

Today, Sunni Islam dominates in most areas, vastly so in Levant, North Africa, West Africa and the Horn of Africa. Shia Islam is dominant in Bahrain and southern Iraq while northern Iraq is mostly Sunni. Substantial Shia populations exist in Lebanon, Yemen, Kuwait, Saudi Arabia, northern Syria and Al-Batinah Region in Oman. There are small numbers of Ibadi and non-denominational Muslims too. The Druze community is concentrated in Levant.

Christianity had a prominent presence In pre-Islamic Arabia among several Arab communities, including the Bahrani people of Eastern Arabia, the Christian community of Najran, in parts of Yemen, and among certain northern Arabian tribes such as the Ghassanids, Lakhmids, Taghlib, Banu Amela, Banu Judham, Tanukhids and Tayy. In the early Christian centuries, Arabia was sometimes known as Arabia heretica, due to its being "well known as a breeding-ground for heterodox interpretations of Christianity." Christians make up 5.5% of the population of Western Asia and North Africa. In Lebanon, Christians number about 40.5% of the population. In Syria, Christians make up 10% of the population. Christians in Palestine make up 8% and 0.7% of the populations, respectively. In Egypt, Christians number about 10% of the population. In Iraq, Christians constitute 0.1% of the population.

In Israel, Arab Christians constitute 2.1% (roughly 9% of the Arab population). Arab Christians make up 8% of the population of Jordan. Most North and South American Arabs are Christian, so are about half of the Arabs in Australia who come particularly from Lebanon, Syria and Palestine. One well known member of this religious and ethnic community is Saint Abo, martyr and the patron saint of Tbilisi, Georgia. Arab Christians also live in holy Christian cities such as Nazareth, Bethlehem and the Christian Quarter of the Old City of Jerusalem and many other villages with holy Christian sites.