How many people are left handed?

Up to now there has been no evodence for “leftie genes”, however, people who use their left hands seem to have more left-handed family members. But how many are they?

Well, 11% of people are left handed and many famous ones have been among them, such as Albert Einstein, Harry S. Truman, George H.W. Bush, Bill Clinton, Barack Obama,  Alexander the Great, Fidel Castro, Kurt Cobain, Phil Collins, Jimi Hendrix, Paul Simon, Leonardo da Vinci, Charlie Chaplin, Robert DeNiro, Diane Keaton, Marilyn Monroe, Keanu Reeves, Julia Roberts, Oprah Winfrey.