 The Bahá 'í Faith is a medium @-@ sized religion and was listed in The Britannica Book of the Year ( 1992 – present ) as the second most widespread of the world 's independent religions in terms of the number of countries represented . According to Britannica , the Bahá 'í Faith ( as of 2002 ) is established in 247 countries and territories ; represents over 2 @,@ 100 ethnic , racial , and tribal groups ; has scriptures translated into over 800 languages ; and has an estimated seven million adherents worldwide . Additionally , Bahá 'ís have self @-@ organized in most of the nations of the world . 
