Celtic has developed a fanbase in a number of countries around the world, with over 160 supporters' clubs in over 20 countries around the world.[56] Research in 2003 by Capita Consulting in conjunction with the Cranfield Institute estimated the worldwide fan base as being around nine million
Rangers have an estimated worldwide fanbase in excess of 9.6 million supporters
Estimates of the size of the club's fanbase vary, the club claims to have three million fans in the UK,[16] and over 180 million around the world who follow the team's progress.[17] 80 million of them are said to be in Asia, with close to 45 million people in China, and Indonesia registered the most followers for the club on Facebook in 2014.[18][19] A survey in 2019 indicates that there are 19.7 million followers on a number of social media platforms worldwide.[20] It is ranked sixth of the major Premier League clubs on selected social networks, but has grown rapidly, adding four times more followers in China's Weibo than Arsenal in 2018.
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