According to the 2011 census of India, about 7.9 million (7,937,734) out of 1.21 billion people did not adhere to any of the subcontinent's main religious communities of Hinduism, Islam, Christianity, Sikhism, Buddhism, or Jainism. The census listed atheists, Zoroastrians, Jews, and various specified and unspecified tribal religions separately under the header "Other Religions and Persuasions".[1]

Of these religious census groupings, the most numerous are Sarna (4.9 million respondents), Gondi (1 million), Sari Dharam (506,000), Donyi-Poloism (331,000); Sanamahi (222,000) and Khasi (139,000), with all other religions numbering less than 100,000 respondents, including 18,000 for "tribal religion", 5,600 for "nature religion", and 4,100 "animists".[1] The Scheduled Tribes account 89.39% (7,095,408) of total ORP in India.[2]