Soccer (Actually, Golf is the sport with the highest participation in Australia, with around 1.3 million people playing)
Netball is in the Commonwealth Games but not the Olympic Games. It is the highest female participation sport in the world though.
football is the most supported sport inthe world
I heard on the Olympics that it is Bowling. JB
It's probably Soccer. Rugby and Cricket probably aren't far off either.
Football also known as soccer is the most popular sport. Most sport one can think of that host world cup events mostly have world wide participation. Tennis, rugby, cricket and athletics are more examples.
Football is the highest rated in the USA. But the highest in the world is soccer, followed by Hockey.
We make sport popular by playing them and participation them.