Some large world religions are Christianity, Islam, Hinduism and Buddhism. Christianity is the largest with approximately 2.4 billion followers. There is also Sikhism, Judaism and Confucianism.
Christianity is a religion based on the teachings of Jesus Christ in the New Testament. Followers of the religion hold that Jesus is the Son of God and that it was prophesized in the Old Testament that he would become a savior of humanity. Christianity originated in Judea in the mid-1st century as a Second Temple Judaic sect. After spreading to Europe, parts of the Asian continent and parts of Africa, the religion was then declared by the Roman Empire as its official state church. The major denominations of Christianity include Catholic, Orthodox and Protestant sects.
Islam, an Abrahamic religion that is also monotheistic, is based on the teachings of the Qur'an. Followers believe that the Qur'an is the verbatim word of God and that the sole purpose for existence is to worship God. One main concept of Islam is the Five Pillars, which are acts of worship that relate to all aspects of life. Denominations of Islam include Sunni, Shia and Sufism.
Sikhism is an Indian religion that was established in the late 15th century. Its followers believe in one Creator God and are advocates of equality for all humankind.