Which among the following sports have largest number of participants in teams of either side?

Q. Which among the following sports have largest number of participants in teams of either side?
Answer: Rugby
Notes:

Soccer (association football): This sport typically has 11 players on each side.
Rugby: Rugby union and rugby league both have 15 players on each side.
American football: American football teams have 11 players on the field at a time.
Australian rules football: Australian rules football teams also have 11 players on the field at a time.
Ice hockey: Ice hockey teams have 6 players on the ice at a time, including the goaltender.
Basketball: Basketball teams have 5 players on the court at a time.