Historically, this level of involvement among young American voters has been scarce, if not nonexistent. In recent history, the U.S. has had one of the lowest youth voter turnouts of anywhere in the world. “In U.S. presidential elections, about 70% of voters 60 and up have turned out — which is nearly three times the rate of Americans between 18 and 29,” UVA public policy professor John Holbein wrote recently in the Conversation.