The order of magnitude of people in Portland is 5.
In 2010 the NBA All-Star game was held in Cowboys Stadium in Dallas, Texas. The game set a record for the most-attended basketball game ever with a total of 108,713 people to attend.
THE AVERAGE NUMBER OF PEOPLE THAT CAN PLAY FOR BASKETBAL TEAM U.S.A IS TWELVE PLAYERS
There is not a list with a total number of how many people attend concerts. Thousands of people attend concerts each year. Woodstock alone had 400,000 people in attendance making it one of the highest attended concerts of all time.