attendance; number of spectators
Refers to the count of people attending an event, performance, or venue.
Today's game attendance exceeded 30,000.
Low attendance can affect the players' morale.
動員数 is often used for the number of people mobilized or drawn to an event, similar to attendance figures, but can also imply organized turnout.
Compound of 観客 (spectator) and 数 (number).