So: if you go by what people say, conservatives outnumber liberals 55%
to 32%. If you go by how they act, conservatives outnumber liberals 47%
to 40%. Here's a bit more detail on how this breaks down:
Adults are conservative on foreign policy and national security (52 to 48)
and values (62 to 38), but liberal on economic/social policy (57 to 43) and
fiscal policy (60 to 40). Consistent with the idea that liberal is a
stigmatized word, just 56 percent of operational liberals self-identified as
liberal, while 30 percent self-identified as conservative. In contrast, 79
percent of operational conservatives said they were
conservative.
If you're interested, there's more detail over at Scott's blog.