There are many ways of looking at Obama's win: At roughly 53% to 46% It was the biggest margin, percentage-wise, at least since George H. W. Bush's 1988 victory; it was, on the other hand, shy of Reagan's realigning 1980 victory and his 1984 blowout.
One number pointed out me yesterday: With unofficial tallies of the popular vote past 64 million (and still counting, as Georgia and other states tally the paper), Obama won more votes than any president in history.
http://www.politico.com/blogs/bensmith/