It depends on the level of the game.
Youth games have 2 to 4 officials working those games. They try to schedule 3 or 4.
High school:
Freshamn have 3 officials working those game. (Referee, Umpire and Head Linesman)
J.V. has 4 officials working those games. (Referee, Umpire, Line judge and Head Linesman)
Varsity has 5 officials working those games. (Referee, Umpire, Line Judge, Head Linesman and Back Judge)
College and NFL games have 7 officials working those games (same as High school varsity, but also with Field Judge and Side Judge)
Four. One in the center, two assistant referees, and one fourth official.
players, match officials, Referees, assistant referees, stewards
Three, a center and two assistants. Possibly four if there is a fourth official on the sideline.
There are 7 referees in a game.
4 feferees. The main referee, two line referees, and the 4th referee who controls the board for substitutions.
3 referees are in soccer and football
as a minium 1 referee and 2 assistant referees.
seven
Football because in every professional match you need two referees of different cultures to the teams playing each other on that day.
there is usually 3 referees in highschool and college im not sure about the nba
8
6