A few years ago I played some online trivia which included several 20 to 35 year olds.
The simple question, " On what continent is Italy located?"
It would receive answers, Japan, South American, Asia, Canada, Paris and others even more ridicules.
Questions about TV Shows, Movies, Modern Music they were great, but History, Geography or anything Classical they had no clue.
A couple years ago, Jay Leno was doing his show from the Chicago area. He interviewed several people from LA and asked if Chicago had a lake near it. It was pretty sad, some thought it was on an ocean, some thought no lake, 0% shown didn't know Lake Michigan. Then, he asked people in Chicago where LA was. Of those he interviewed, 100% knew. I'm sure it was skewed, but still...