Census data from the ABS - http://www.abs.gov.au/AUSSTATS/abs@....2?OpenDocument

Organised sports participation - organised participation only (top 25):

Fitness/Gym 855.5
Soccer (outdoor) 359.8
Netball (indoor and outdoor) 352.7
Golf 262.5
Tennis (indoor and outdoor) 240.8
Football sports 231.3
Lawn bowls 223.5
Basketball (indoor and outdoor) 219.2
Cricket (outdoor) 198.8
Martial arts 190.3
Australian Rules football 185.4
Yoga 175.8
Dancing/Ballet 161.5
Swimming/Diving 108.0
Soccer (indoor) 101.3
Pilates 100.7
Walking for exercise 50.7
Horse riding/Equestrian activities/Polo 45.4
Cycling/BMXing 43.9
Jogging/Running 42.6
Squash/Racquetball 32.9
Bush walking 18.3
Canoeing/Kayaking 16.2
Fishing 8.4
Surf sports 5.1



Total -organised and non-organised
Golf 860.5
Tennis (indoor and outdoor) 750.3
Soccer (outdoor) 489.1
Netball (indoor and outdoor) 450.2
Basketball (indoor and outdoor) 354.8
Cricket (outdoor) 281.2
Lawn bowls 245.0
Australian Rules football 241.5
Soccer (indoor) 194.2
Squash/Racquetball 164.2
Hockey (indoor and outdoor) 112.6
Boxing 109.6
Rugby league 104.1
Rugby union 101.0
Volleyball (indoor and outdoor) 100.2
Badminton 99.4
Cricket (indoor) 78.5
Athletics, track and field 67.2

clearly, there is one organised sport that is bigger than the others