Buddhism is a Dramatic religion, one of the major religions in the world, as it is the fourth largest religion network in the world after Christianity, Islam and study. It has more than 520 million followers, 7% of the world's population. Its followers are known as Buddhists; The root of the word Buddhism comes from the word "Buddhism" after its founder, Gautama Buddha. It was established by the teachings left by the 'awakened' Buddha. Buddhism arose in northern India and gradually spread throughout Asia, seeing Sri Lanka, then to China, Mongolia, Korea, Japan.
Buddhism has spread in many countries: India, Sri Lanka, Thailand, Cambodia, Burma, Laos, and the "Theravada" sect prevails in these countries, while the "Mahayana" sect has spread in China, Japan, Taiwan, Tibet, Nepal, Mongolia, Korea, Vietnam, and some parts of India. There are about 150 million to 300 million adherents of this religion in the world. The process of counting the number of adherents of this religion in Asian countries is considered a difficult problem because people are accustomed to professing a mixture of beliefs at the same time, and some countries such as China prohibit such statistics due to the sensitivity of the religious issue.