Miscellaneous

Conspiracy Theories

15 well-known conspiracy theories examined as cultural phenomena with origin decade, category, estimated believers, debunking evidence, and cultural impact.

15 rows6 columns0 views0 downloadsSource: Snopes / research surveysUpdated: 2/18/2026
conspiracy theoriespop culturemiscellaneousinternet
15 of 15 rows
Theory
Origin Decade
Category
Believers Estimate
Debunked By
Cultural Impact
Moon Landing Hoax1970sScience & Space~6% of AmericansNASA evidence, independent verification, retroreflectors on MoonSpawned broader distrust of government agencies and science institutions
Flat Earth1800s (modern revival 2010s)Science & Space~2% of AmericansSatellite imagery, physics, circumnavigation, time zonesBecame a symbol of internet-age misinformation and epistemic crisis
Area 51 / Aliens1950sGovernment / UFOs~50% believe in alien lifeDeclassified military documents show aircraft testing facilityCentral to UFO mythology; 'Storm Area 51' event went viral in 2019
Illuminati1960s (pop culture revival)Secret Societies~15% of AmericansHistorical records show original group dissolved in 1785Pervasive in music, film, and internet culture; symbol of elite power fears
Bermuda Triangle1960sParanormal~40% have concernsCoast Guard and Lloyd's of London data show no abnormal disappearance rateInspired hundreds of books, films, and TV specials; tourism draw
JFK Assassination1960sGovernment / Politics~60% believe in conspiracyWarren Commission (disputed); forensic re-analyses support lone gunmanDefined modern political conspiracy culture; eroded trust in government
Bigfoot / Sasquatch1950sCryptozoology~16% of AmericansNo physical evidence, many hoaxes exposed (e.g., Patterson-Gimlin film debate)Major figure in North American folklore; tourism industry in Pacific Northwest
Reptilian Elite1990sSecret Societies~4% of AmericansNo scientific evidence; originates from David Icke's writingsInfluential in internet conspiracy subculture; often used satirically
Chemtrails1990sGovernment / Science~10% of AmericansAtmospheric science explains contrails; EPA and scientific consensusSymbol of distrust in environmental and government agencies
Simulation Theory2000sPhilosophy / Science~33% consider it possibleUnfalsifiable hypothesis; discussed in philosophy rather than conspiracy circlesBlurs line between philosophy and conspiracy; popularized by Elon Musk and The Matrix
5G Health Risks2010sTechnology / Health~14% have concernsWHO, ICNIRP, and peer-reviewed studies confirm safety within limitsLed to cell tower vandalism during COVID-19 pandemic; regulatory challenges
Loch Ness Monster1930sCryptozoology~24% of Scots believeSonar surveys, original photo admitted as hoax, no physical evidenceMajor Scottish tourism draw; one of the most famous cryptids worldwide
Hollow Earth1600sScience & SpaceVery small fringeSeismology, gravity measurements, drilling data confirm solid EarthInspired Jules Verne's Journey to the Center of the Earth and other fiction
Paul McCartney Death Hoax1960sEntertainmentVery small fringePaul McCartney is alive; forensic analysis confirms identityOne of the first modern celebrity conspiracy theories; spawned 'Paul is Dead' clue-hunting
Mandela Effect2010sPsychology / Paranormal~50% have experienced itExplained by false memory research, confabulation, and social reinforcementPopularized discussions about collective false memories and parallel universes
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