All major religions started in Asia.
Buddhism.
Jainism
well, if u consider the region of Arabia to be southwest Asia, which it technically is, then the religion of Islam/the Muslim religion, which is the 2nd largest religion in the world, started there.
Buddhism
the most popular religion in Asia is Mahayana Buddhism
Lets see... Buddhism, Janism, Seikism, Confuciousism, Taoism, Maoism, Shinto... Lots of religions.
Anyone can be a Muslim if he believes in Islam religion. Islam religion started in Mecca (in Saudi Arabia, in Asia) by God revelation of Quran to prophet Muhammad. However, currently, Muslims are spread almost every where in the world either as majority or as minority.
Asia
hinduism is the best religion.
buddhist is the dominant religion in asia
There are several religions that can be found in Asia. However, the oldest religion is Judaism, and can be found in Israel.
Buddhism was the religion that appealed to people in India and parts of Asia (: