How many players are on the ground, and what size is the oval at each age?

Question

Accepted Answer

From the AFL Junior Rules Handbook (ground sizes are length x width in metres):

Age	On the ground per team	Squad limit	Ground size	Maximum ground
Under 13/14	15	15	125 x 95	140 x 110
Under 15 boys	15	18	130 x 100	150 x 120
Under 15 girls	15	16	130 x 100	150 x 120
Under 16/17/18 boys	18	18	Full ground	Full ground
Under 16/17/18 girls	16	16	Full ground	Full ground

Age groups should be single years where possible, with a two-year span (Under 8, 10, 12, 14, 16, 18) as the second option.