11 in USA ; 12 in Canadian version of Football which has 3 downs, not four.
11 on each side in football.
I was watching Mexican football, and the winning team had 12 players on the field.
During a typical play, there are only 22 players allowed on the field, 11 on each side.
There are 11 players per team on the field at once. 22 players total. 1 football.
In regular football the is only eleven players on the field.
There are 11 football players on each team and there is to teams. So all together there are 22 football players on the field and 4 referees.
Canadian football is played with 12 players per team.
On a football (Soccer) field, there are twenty-two players; eleven on each team (Including the goalkeeper).
11
11
Each team has 22 players. Only 18 can be on the field at any time.
In Canadian football, while only 12* players are playing on the field at once, teams need more than just 12* players. They must have an offensive and defensive team. Most high school football teams have 1st, 2nd, and 3rd string players, so thirty to forty players is a reasonable number. * only 11 in American football