Five major religion:

  

Christianity: 2.2 billion (largest)

                    Geo location: Europe, Americas, southern Africa.

                    Denominations: Catholic Church, Eastern Orthodox, Church, Protestants.

                    Founder: Jesus

                    Holy book: The Bible.

                    Beliefs: Jesus is both human and divine. He led virtuous life. Crucifixion. Resurrection.

                    Clergy: the Pope is head of the church, priest are local authorities.

Islan: 1.5 billion (second largest)

          Call them: Muslims

          Geo location: Indonesia, Middle East, north Africa.

          Denominations: Sunnis(75%-90%), Shiites(10%-20%)

          Founder: Muhammad

          Holy book: Qur'an

          Beliefs: monotheistic, Abrahamic

Hinduism: 1.1 billion (third largest)

                  Call them: Hindus

                  Geo location: India, Nepal

                  Holy book: the Vedas - eternal truths revealed to ancient sages; written in verse form.

                  Founder: no distinct founder: a series of intellectual or philosophical point of view.

Buddhism: 500 million to 1.5 billion

                   Call them: Buddhist

                   Geo location: Southeast Asia, China, Nepal, Japan, 1.2 million in US.