Most popular football clubs.

Source: Sport+Markt  (sample of 1000 people from 34 countries).

1. Manchester United : 354 million supporters
2. Barcelona : 270 million
3. Real Madrid : 174 million
4. Chelsea : 135 milljoner
5. Arsenal : 113 million
6. Milan : 99 million
7. Liverpool : 71 million
8. Inter : 49 million
9. Bayern Munich : 24 million
10. Juventus : 20 million
11. Manchester City : 18 million
12. Tottenham : 11 million
13. Newcastle : 6 million.  

Total:
England : 708 million (7 clubs)
Spain : 444 million (2 clubs)
Italy : 168 million (3 clubs)
Germany : 24 million (1 club)