We are the most diverse Buddhist community in the United States. he Soka Gakkai International-USA (SGI-USA) is part of a global community-based network of more than 11 million people in 192 countries and territories that practice the humanistic philosophy of Nichiren Buddhism centered on respect for the dignity of life. s members of the SGI, we are committed to dialogue and nonviolence based on the conviction that individual happiness and the realization of peace are inextricably linked.