Do people in the wizarding world live longer than muggles sa pamamagitan ng default?

Because you know, Slughorn would have to be seventy or madami sa pamamagitan ng the time HBP rolls around, since he was a teacher during Voldemort's time (fifty years ago). McGonagall has to be older than he is, too, and Dumbledore's at least 150, give or take a few years.