1.  Jordan CIA Factbook
[By CIA THE WORLD FACTBOOK ]
 

Languages:
Arabic (official), English (widely understood among upper and middle classes)
Religions:
Sunni Muslim 92% (official), Christian 6% (majority Greek Orthodox, but some Greek and Roman Catholics, Syrian Orthodox, Coptic Orthodox, Armenian Orthodox, and Protestant denominations), other 2% (several small Shia Muslim and Druze populations) (2001 est.)

2. Islam In Jordan
[By WIKIPEDIA]
More than 90 percent of population in Jordan adhered to Sunni Islam in the late 1980s. Although observance was not always orthodox, devotion to and identification with the faith was high. Islam was the established religion, and as such its institutions received government support. The 1952 Constitution stipulates that the king and his successors must be Muslims and sons of Muslim parents. Religious minorities included Christians of various denominations, a few Shi'a Muslims, and even fewer adherents of other faiths.