Variables: Total number of Sikhs by country and percent of population that are Sikhs: Followers of the Sikhism, founded by Guru Nanak in the 15th century in the Punjab region of the Indian subcontinent. Traditions include Akali, Khalsa, Nanapanthi, Nirmali, Sewapanthi, and Udasi. (World Religion Database, 2020) (Sikhs)1