- On grass -
Play is 7-a-side.
However as substitutions may be made after every point, a team at a tournament will nearly always have many more than this - 16 is a common starting point but experience, fitness, standard & length of tournament and captain's/coach's preferences amongst many others will be factors.
- On sand / indoors -
Play is 5-a-side with squads averaging 10ish/15ish.