A 2005 Gallup poll found that 24% of people in the United States believed that extraterrestrials had visited Earth.

Authors

• Person: Not available Organization: PBS
  Alien Abduction and UFOs: Why Are Grays So Common? | Season 4

Sources

• Alien Abduction and UFOs: Why Are Grays So Common? | Season 4 www.pbs.org PBS via serper

Referenced by nodes (2)

• U.S. location
• extraterrestrial concept