Where is football played in front of the most seats?

Average capacity of the grounds a league plays in. Capacity, not attendance — the record holds the former.

FA Cup (England) plays in the largest grounds — average capacity: 6,766.

Showing the major competitions. Include every competition

Grounds are attached to the match, not the club, so a neutral venue counts where it was used. Capacities under 500 or over 200,000 are treated as bad records and left out.