WrestleMania 22 was the third WrestleMania to take place in the Chicago metropolitan area (following WrestleMania 2, and WrestleMania 13). Tickets sold out in under two minutes, grossing US$2.5 million for the event, making it the highest grossing one-day event at the Allstate Arena. More than 17,155 people from 16 countries and 43 states attended, with millions more watching in more than 90 countries. WrestleMania 22 also marked the last WrestleMania to be held in a traditional arena, as every subsequent edition, excluding WrestleMania 36, has been held in a stadium.