Manchester United have the most supporters worldwide according to Voetbal Primeur.
The Red Devils have topped a list which has been put together by the Dutch football magazine with help from research firms.
The 20-time English champions, 11-time FA Cup winners and three-time European title holders reportedly have over 350 million fans around the world.
In second place, behind United, sits Catalan giants Barcelona who have won the La Liga on 22 occasions, the European Cup/Champions League four times and the Copa del Rey a record 26 times. The Blaugrana are around 80 million behind the Red Devils with 270 million supporters worldwide.
Barcelona's Spanish rivals Real Madrid, winners of 32 Spanish league titles and nine European cups, are third with 174 million fans ahead of popular English Premier League side Chelsea on 135 million.
In fifth position sits the Blues' London rivals Arsenal who are followed by Italian giants AC Milan, current Premier League leaders Liverpool, Italy's Inter Milan, German powerhouse Bayern Munich and famous Serie A outfit Juventus.
Top 10 football clubs with the most fans worldwide - according to Voetbal Primeur
1: Manchester United (England) - 354 million fans 2: Barcelona (Spain) - 270 million 3: Real Madrid (Spain) - 174 million 4: Chelsea (England) - 135 million 5: Arsenal (England) - 113 million 6: AC Milan (Italy) - 90 million 7: Liverpool (England) - 71 million 8: Inter Milan (Italy) - 49 million 9: Bayern Munich (Germany) - 24 million 10: Juventus (Italy) - 20 million
