-
Up to 15 - Most basic stuff is funny, adult stuff usually goes over their head still 18 - mid 20s: Everything is unfunny unless it is something you haven't heard of because you're too old and just don't get it. mid 20s+: You laugh at whatever the hell you want because who gives a shit at this age.
-
A sense of humor does mature with age/experience.
-
But it isn't based directly on your age. Everyone has a different sense of humor.