Nation 2 in 5 Americans believe ghosts are real and 1 in 5 say they’ve seen one, survey says October 28, 2021 Gabriela Miranda, USA TODAY Comments Off on 2 in 5 Americans believe ghosts are real and 1 in 5 say they’ve seen one, survey says A survey conducted by YouGov found that 2 in 5 Americans believe ghosts exist, while 1 in 5 say they've actually seen a ghost.