[m0th87]

Not everybody does go to college; in fact, less than a third of Americans do.

http://en.wikipedia.org/wiki/Educational_attainment_in_the_U...

[gemenon]

The percent of Americans age 25+ who attended college (some college) is 55.6%, so it is clear we are seeing well over half of Americans attend college if you include those under 25.

[Khroma]

It's increasing though, looking at that graph.