2011 . ^ a b Ranking of European teams supporters: Barcelona first with 57.8 million, followed by Real Madrid (31.3 million), Manchester United (30.6 million), Chelsea (21.4 million), Bayern Munich (20.7 million) and Milan (18.4 million). "Tifo: Barcellona la regina d'Europa" (in Italian). Sport Mediaset . 09 September 2010. Archived from