American voting is under-informed and has low turn out, but at least the few percentage of electorate that vote actually care.
Aussies .. I am not sure if they don't care, or if they're just good at hiding their political views. It's far easier to speak to an American and learn about his/her political stances. Aussies are much more opaque, in my experience, and seem to be equally resentful of all politicians.
For all their bureaucracy, Aussies are far more anarchic and egalitarian than any other nation that I am familiar with, except maybe Somalis.
Australians, at least the ones in NSW that I have come to know, consider the government and politicians "a bunch of wankers". They're very pessimistic about the people they elect; which is both nice, and also harmful.
Having said that .. Aussie Aussie Aussie!
[Edit:
People should harden the fuck up and visit Australia; everyone should live there at least once. Just thinking about that place brings a smile to my face. They're a nation of good-natured jokers, thoroughly beautiful I tell ya. But be prepared to be bull-shat left and right; you will have a hard time if you're a self-righteous prick]