The second most popular sport in Australia is cricket.
Swimming is easily the most popular water sport in Australia.
In Australia the 3rd most popular sport is ultimate frisbee. it is behind soccer and rugby
The most popular sport in Australia is AFL (Aussie Rules Football)
AFL is the most popular sport.
Tennis is popular in Australia because it has always been the most popular sport in Australia since it was introduced in 1870's. It is a great spectator sport.
As of August 2014, the most popular sport shops in Australia include Medal Displays and Sportz Grass. Fun Sports is another popular choice.