So says Gallup:
-Nov. 21, 2009: 48 percent
-Nov. 21, 2010: 47 percent.
Given that Gallup's tracking poll has a margin of error of four points, it's entirely accurate to say that Obama's approval rating today is the same as where it was one year ago.
FYI: At this point in their first term, both Ronald Reagan and Bill Clinton posted 43 percent approval ratings, according to Gallup.