Jan 23 2012: This study from 2008 shows that the ratio of non-religious north-americans was of 60% males:
http://commons.trincoll.edu/aris/publications/american-nones-the-profile-of-the-no-religion-population/
It also shows that young people is more likely to be nonbeliever, so it must have something to do with education or, as Vicky pointed out, with life awareness.
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A reply on Talk: Alain de Botton: Atheism 2.0
http://commons.trincoll.edu/aris/publications/american-nones-the-profile-of-the-no-religion-population/
It also shows that young people is more likely to be nonbeliever, so it must have something to do with education or, as Vicky pointed out, with life awareness.
Just my 2 cents (and a couple of google searches)