Origins of Buddhism Buddhism Most historians believe that Buddhism originated in northern India in the 5th century B.C.E. Prince Siddhartha Gautha began a search for enlightment when he was 29 years old. Buddhism was founded in 520Bc.these days Buddhism is the 4th largest religion. Belief system Today Buddhists have a lot of beliefs and run by a lot of beliefs. Buddhists believe in Carmi, that you should take your shoes of.when you enter a room. Did you know that the Buddhists can go to the temple when ever they want. The main thing that Buddhists follow is that you should not drink alcohol or take drugs. Who practices it today? Today lots of people practice it and it is most practices in east Asia and south east Asia and some parts of south Asia. The people that mostly practice it today are Chinese that band Burmese. Many people practice Buddhism today and around 1.2 to 1.6 billion people throughout the world. Buddhism is practiced around the whole world except Antarctica