Why are Australians increasingly godless?

Almost a third of Australians claim to have no religion, marking a huge change from the 1960s, when as many as 88 per cent identified as Christian. So why are today's Australians not as religious as their parents and grandparents?

In this Tuesday Jan. 6, 2009 file photo featuring an atheist advertisement with the slogan 'There's probably no God. (AP Photo/Akira Suemori) Source: AP