Theravada, Mahayana, and Tibetan.
There are many groups of Buddhism in Japan today. The main ones are the Pure Land Buddhism (Jodo shu and Jodo Shinshu) and Nichiren Buddhism. There is also Zen (Soto and Rinzai are the main ones), Tendai and Shingon. Many new religions also are based on Buddhism.
The three main (generally accepted ) schools of Buddhism are:TheravadaMah?y?naVajray?naEach of these may be broken down into smaller groups with doctrinal differences.There also are essentially "Buddhism lite" schools in popular culture where adherents neither study the basic precepts or the history of Buddhism.
the three main groups are that you gey(:
Shintoism, Buddhism,and Confucianism are the three main religions in Japan.
The three main groups in science are chemistry,biology and physics.
Islam, Buddhism, Catholicism.
Buddhism, Taoism and Confucianism are the three main religions in China. Buddhism was created by Budda and confucianism was created by confucis
The two groups were Theravada Buddhism and Mahayana Buddhism.
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To narrow it down to three groups, it would be strings, winds, and percussion.
It has three main groups.
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