Buddhism in Japan began teaching devotion to the "Lotus Sutra". Eventually, his disciples formed their own school of Nichiren Buddhism, which includes various sects that have their own interpretations of Nichiren's teachings. Nichiren Buddhism established the foundation of Japanese Buddhism in the thirteenth century. The school is known for its sociopolitical activism and looks to reform society through faith. In the Muromachi period, Zen, particularly the Rinzai school, obtained the help of the Ashikaga shogunate and the Emperor of Japan, and accomplished considerable development. After the Sengoku period of war, Japan was re-united in the Azuchi–Momoyama period. This decreased the power of Buddhism,
Religion in Japan Religion in Japan Religion in Japan is dominated by Shinto (the ethnic religion of the Japanese people) and by Buddhism. According to surveys carried out in 2006 and 2008, less than 40% of the population of Japan identifies with an organized religion: around 35% are Buddhists, 3% to 4% are members of Shinto sects and derived religions, and from fewer than 1% to 2.3% are Christians. Most of the Japanese (50% to 80% considering degrees of syncretism with Buddhism, "shinbutsu-shūgō") pray and worship ancestors and gods (神 "kami", "shin" or, archaically, "jin") at Shinto shrines or at private altars, while