Judaism is itself a religion. Its major component is the Torah, which Moses received from God (Exodus 24:12) on Mount Sinai.Despite the relatively small number of Jews worldwide (14 million), Judaism is considered a major religion because of its far-reaching influence on the Western world.
The religion with the largest population percentage in the world is Christianity.
Christianity!
Catholicism is the largest denomination within Christianity. Christianity itself is the largest religion in the entire world, hence Catholicism is a major world religion.
According to Operation World, the major religion in Congo is Christianity, primarily Catholicism.
confucianism was based off the teachings of a chinese man named confucius. it is not a major religion. it was a religion in china many years ago.
Islam
Islam is considered a major world religion due to the large number of followers, similiarities to other world faiths, the history of the faith and contributions of certain learned Muslims to fields such as science, art, mathematics, literature and architecture.
Sunni Islam is the most common religion in the Arab World, but every Arab chooses his own "dominant" religion or non-religion to believe in.
There are many religions in the world including some of the major ones. The one that can trace its roots back to 500 BCE is Confucianism.
Islam is not focused on any religion. The Holy Qoran was revealed to Prophet Mohammad as a Scripture from Allah (God) for the people of this world. The followers of this Book and the teachings of the Prophet Mohammad are called Muslims, and the religion is known as Islam.
The Baha'i Faith, founded in 1844.