This depends on where you ask this question and who you ask this question to. Also, are you referring to football like that played in America and Canada, or the football North Americans call soccer? If the latter, then obviously the most popular game is football.
If by football you mean soccer, then football would be more liked. If by Football you mean American Football, then Football would still be more liked. It's all a matter of personal opinion. Some people may like football more (regardless if it is proper football (soccer) or American football (as in the NFL)), while others, still, may enjoy rugby more.
Football mainly, Rugby is growing to be liked more by the British public and Cricket is a sport liked by the upper class Brits,
Pro rata its rugby
The wages are increasing in rugby compared to soccer and American football
Rugby players because they get more recognition
Obviously football! You don't see people on t.v playing rugby... ~Madi(:
Football is the second most popular sport... before golf! Rugby is 3rd.
Association football (Soccer), Five-a-side soccer, Gaelic football, Rugby League, Wheelchair rugby,Freestyle football, Rugby Union, American football, Canadian, Australian football, Subbuteo, Table football and quite a few more.
American Football is more violent than rugby because in American football you have 22 players crashing into each other while in rugby, except in a scrum, you only have people going after one player.
Football (Soccer) has the greatest following. However, Rugby is not becoming one of the emerging teams sports