Giants stadium has the second most seating capacity
TCF Bank Stadium is the smallest based on seating capacity which holds 50,805 people.
Arrowhead Stadium has a seating capacity of 76,416 seats. That is for both NFL and MLS sports teams.
While the seating capacity of the bigger clubs is easily 50,000 to 70,000, the average seating capacity is not as high. The seating capacity is around 20,000-25,000.
Refer to link posted :60,000 - 80,000
CenturyLink Field has a seating capacity of 69,000 people for NFL (expandable to 72,000 for special events), and 39,419 for major league soccer.
Its between 17,000 to 21,000 seating, most of of the venue are 18,000.
For basketball the seating capacity is 20,173. For hockey the seating capacity is 18,277.