| 80% | “80%” | Robert Greene spends 80 percent of his working time on research | Ryan Holiday | May 16, 2016 | — |
| 80% | “80%” | Naval Ravikant: In leveraged markets, 80% decision accuracy pays exponentially more. | Naval Ravikant | Apr 11, 2017 | — |
| 77% | “77%” | Parrish: Teledyne's EPS surged 311% from 1971 to 1975 | Shane Parrish | Apr 22, 2025 | Supported |
| 77% | “77%” | Athletes aiming for 'average' deliver their best performance 77% of the time | Todd Herman | Nov 28, 2023 | — |
| 75% | “75%” | Jacobs structures executive equity to double-vest above the 85th percentile | Brad Jacobs | Aug 4, 2026 | — |
| 75% | “75%” | Harvey Firestone cut ad staff from 105 to 7 in 1920 crisis | Shane Parrish | Dec 30, 2025 | Supported |
| 75% | “75%” | Parrish: Over 75% of Eastlink Earnings Come From Organic Growth | Shane Parrish | Aug 26, 2025 | — |
| 75% | “75%” | Cool: Pampered Chef scaled digital sales from 10% to 75% | Tracy Britt Cool | Oct 14, 2025 | — |
| 75% | “75%” | Panic of 1893: 500 banks failed and interest rates hit 75% | Shane Parrish | Oct 7, 2025 | Supported |
| 75% | “75%” | Parrish: Mellon's 1889 aluminum investment cut prices 75% within five years | Shane Parrish | Feb 25, 2025 | Supported |
| 75% | “75%” | Jacobs structures executive equity to double-vest only at top-tier shareholder returns | Brad Jacobs | Mar 19, 2024 | — |
| 75% | “75%” | Balaji Srinivasan: Governments will fail to ban crypto as elites profit | Balaji Srinivasan | Apr 5, 2022 | — |
| 75% | “75%” | Lavingia: Gumroad laid off 75% of staff in 2015 | Sahil Lavingia | Dec 8, 2020 | Supported |
| 75% | “75%” | Tetlock: Prediction markets have proven well-calibrated across hundreds of forecasts | Philip Tetlock | Dec 8, 2015 | Supported |
| 70% | “70%” | Teskey: 70% of Brookfield's current investments did not exist 20 years ago | Connor Teskey | Mar 17, 2026 | — |
| 70% | “70%” | Bernie Marcus Managed $1B in Merchandise at Two Guys by Age 28 | Shane Parrish | Dec 16, 2025 | Contradicted |
| 70% | “70%” | Ross Perot Demanded 70% of Home Depot for a $2 Million Investment | Shane Parrish | Dec 16, 2025 | Supported |
| 70% | “70%” | Johnson: 70% of therapists treating couples lack actual couples therapy training | Dr. Sue Johnson | Aug 19, 2025 | Supported |
| 70% | “70%” | 70% of all air filters are purchased for commercial settings | David Heacock | Feb 18, 2025 | Contradicted |
| 70% | “70%” | Dunford: Up to 70% of B2B software deals end in no decision | April Dunford | Aug 20, 2024 | Partly supported |
| 70% | “70%” | Beshore: Permanent Equity prefers acquiring 51% to 70% of a business | Brent Beshore | Jun 11, 2024 | — |
| 70% | “70%” | Dr. Jim Loehr: Tennis players spend 70% of a match between points | Dr. Jim Loehr | Apr 30, 2024 | Supported |
| 70% | “70%” | Patrick: Approximately 70% of US Population Is Vitamin D Insufficient | Dr. Rhonda Patrick | Apr 2, 2024 | Supported |
| 70% | “70%” | Karp: 70% of Americans are overweight or obese and over 90% metabolically unhealthy | Jason Karp | Apr 4, 2023 | Supported |
| 70% | “70%” | Duke: Forcing colleagues to argue opposing positions moderates views and improves decisions | Annie Duke | Oct 25, 2022 | — |
| 70% | “70%” | Walker: Waking two hours early can cost up to 70% of REM sleep | Dr. Matt Walker | Feb 22, 2022 | — |
| 70% | “70%” | Howey: Amazon halves self-publishing royalties outside the $2.99 to $9.99 range | Hugh Howey | Aug 6, 2019 | Supported |
| 70% | “70%” | Johnson: 70% of North American therapists see couples without specialized training | Dr. Sue Johnson | Jul 23, 2019 | Supported |
| 70% | “70%” | Haidt: US teen suicide is up 25% for boys, 70% for girls | Jonathan Haidt | Jul 2, 2019 | Supported |
| 70% | “70%” | Voss: 70% of purchasing decisions aim to avoid loss rather than gain | Chris Voss | Jan 3, 2018 | — |
| 70% | “70%” | Naval Ravikant: In leveraged markets, 80% decision accuracy pays exponentially more. | Naval Ravikant | Apr 11, 2017 | — |
| 70% | “70%” | Koskinas: Plato's dialogues are 70% Plato and only 30% real Socrates | Aristotle Koskinas | Jan 5, 2017 | — |
| 67% | “67%” | Cialdini: Asking 'Will you call to cancel?' reduced restaurant no-shows by 67% | Robert Cialdini | Oct 19, 2021 | Supported |
| 65% | “65%” | Jacobs structures executive equity to double-vest above the 85th percentile | Brad Jacobs | Aug 4, 2026 | — |
| 65% | “65%” | Firestone's early rubber buggy tire business generated 65% gross margins | Shane Parrish | Jun 3, 2025 | Supported |
| 65% | “65%” | Jacobs structures executive equity to double-vest only at top-tier shareholder returns | Brad Jacobs | Mar 19, 2024 | — |
| 64% | “64%” | 1980s GM spent $331 per car on warranties versus Toyota's $31 | Shane Parrish | Jul 1, 2025 | Supported |
| 63% | “63%” | Halligan: Over 60% of HubSpot customer inbound traffic originates from Google | Brian Halligan | Aug 6, 2024 | — |
| 60% | “60%” | Hyundai Had 82% Hands-On Labor Versus 60% for Japanese Shipbuilders | Shane Parrish | May 19, 2026 | Supported |
| 60% | “60%” | Seoul's Olympic Facilities Were 60% Complete During the 1981 Bidding Session | Shane Parrish | May 19, 2026 | Supported |
| 60% | “60%” | Liemandt: 40% to 60% of Alpha School students prefer school over vacation | Joe Liemandt | Mar 31, 2026 | — |
| 60% | “60%” | Oxford Frozen Foods holds 60% of Europe's wild blueberry market | Shane Parrish | Aug 26, 2025 | Not publicly verifiable |
| 60% | “60%” | China shipping volumes plunged 60% before surging upon U.S. tariff relief | Ryan Petersen | Aug 5, 2025 | Partly supported |
| 60% | “60%” | Parrish: Ed Stack Borrowed $60M from GE Capital to Buy Out 60% of VC Stakes | Shane Parrish | Sep 23, 2025 | Supported |
| 60% | “60%” | Garry Tan: 60% of serial founders who built recent unicorns are YC alumni | Garry Tan | Apr 29, 2025 | Contradicted |
| 60% | “60%” | My Office Delivered generated $6.5 million in 2009 dropshipping supplies | David Heacock | Feb 18, 2025 | — |
| 60% | “60%” | By 1920, Eaton's controlled 60% of Canada's department store sales | Shane Parrish | Feb 11, 2025 | Supported |
| 60% | “60%” | Eaton's Canadian retail market share collapsed from 60% to under 10% | Shane Parrish | Feb 11, 2025 | Supported |
| 60% | “60%” | Mackey proposes 0% capital gains tax on 10-year holdings, 50-60% on short-term | John Mackey | Oct 29, 2024 | — |
| 60% | “60%” | Shopify canceled 60% of active internal projects in early 2022 | Tobi Lütke | Nov 15, 2022 | — |
| 60% | “60%” | Santos: Over 40% of College Students Report Severe Functional Depression | Laurie Santos | Jun 14, 2022 | Supported |
| 60% | “60%” | Cialdini: Reframing Bose Ad Headline Around FOMO Increased Sales 45% | Robert Cialdini | Oct 19, 2021 | Not publicly verifiable |
| 60% | “60%” | Lavingia: Gumroad raised $7M from Kleiner Perkins in 2012 and grew 60% annually | Sahil Lavingia | Dec 8, 2020 | Supported |
| 60% | “60%” | Dethmer: Employees only keep 40% to 60% of their workplace agreements | Jim Dethmer | Jun 18, 2019 | — |
| 60% | “60%” | Mauboussin: Kahneman Noise Study Found 40% to 60% Decision Variance | Michael Mauboussin | Jan 23, 2018 | Supported |
| 60% | “60%” | Collison: 60% of Atlas Companies Say They Wouldn't Exist Otherwise | Patrick Collison | May 2, 2018 | — |
| 57% | “57%” | Pasricha: 57% of Americans read zero books last year | Neil Pasricha | Oct 18, 2022 | Contradicted |
| 55% | “55%” | Jacobs structures executive equity to double-vest above the 85th percentile | Brad Jacobs | Aug 4, 2026 | — |
| 55% | “55%” | Act III Holdings grew from $200 million to $2 billion, returning 55%. | Ron Shaich | Nov 11, 2025 | — |
| 55% | “55%” | Karr: A 55% win rate is strong; expect to be wrong often | Adam Carr | Nov 12, 2024 | — |
| 55% | “55%” | Jacobs structures executive equity to double-vest only at top-tier shareholder returns | Brad Jacobs | Mar 19, 2024 | — |
| 55% | “55%” | Cialdini: Retreating to smaller request raised blood donation compliance to 55% | Robert Cialdini | Oct 19, 2021 | Supported |
| 51% | “51%” | Ed Stack Secured 51% Voting Control in Dick's Sporting Goods Buyout | Shane Parrish | Sep 23, 2025 | Partly supported |
| 51% | “51%” | Beshore: Permanent Equity prefers acquiring 51% to 70% of a business | Brent Beshore | Jun 11, 2024 | — |
| 51% | “51%” | Meyer: Emotional hospitality is the true alpha differentiator when skills are easily copied | Danny Meyer | Jul 13, 2021 | — |
| 51% | “51%” | Loch Kelly: Making background awareness 51% primary removes fear | Loch Kelly | Feb 9, 2021 | — |
| 51% | “51%” | Search engines with higher market share inevitably win via data advantages | Ben Thompson | Sep 5, 2018 | — |
| 50% | “50%” | Liemandt: Alpha 3rd and 4th graders outscore 50% of US high schoolers | Joe Liemandt | Mar 31, 2026 | — |
| 50% | “50%” | Liemandt: Paper shows 50% of UCSD freshmen cannot answer fifth-grade questions | Joe Liemandt | Mar 31, 2026 | Contradicted |
| 50% | “50%” | Liemandt: Alpha School loses about 50% of educators over learning accountability | Joe Liemandt | Mar 31, 2026 | — |
| 50% | “50%” | Tangen: Buying before researching creates urgency and relies on pattern recognition | Nicolai Tangen | Feb 17, 2026 | — |
| 50% | “50%” | Clear: Positioning and packaging accounts for roughly 50% of product success | James Clear | Jan 1, 2026 | — |
| 50% | “50%” | Ury: Securely attached people leave dating pools faster, skewing remaining demographics | Logan Ury | Dec 23, 2025 | Supported |
| 50% | “50%” | Companies should shift 20% of marketing budgets to top-tier call centers | Rory Sutherland | Dec 9, 2025 | — |
| 50% | “50%” | Individuals should dedicate 50% of effort to maximizing exposure to positive optionality | Rory Sutherland | Dec 9, 2025 | — |
| 50% | “50%” | Half of global air freight flies in the bellies of passenger planes | Ryan Petersen | Aug 5, 2025 | Supported |
| 50% | “50%” | Parrish: Preceding requests with extreme demands triples compliance to 50% | Shane Parrish | Nov 18, 2025 | Supported |
| 50% | “50%” | Scilipoti: The primary investing rule is avoiding catastrophic, embarrassing losses | Anthony Scilipoti | Oct 28, 2025 | — |
| 50% | “50%” | Cool: An okay business earns 20% ROIC, a great one earns 50%+ | Tracy Britt Cool | Oct 14, 2025 | — |
| 50% | “50%” | Kahneman: Insurance underwriters varied by 50% on identical cases, despite 10% expectations | Daniel Kahneman | Jul 22, 2025 | Supported |
| 50% | “50%” | Parrish: Les Schwab stores outperformed competitors by 30% to 50% | Shane Parrish | Jul 15, 2025 | — |
| 50% | “50%” | Nooyi: 10% female CEOs is not real progress given MBA demographics | Indra Nooyi | Jun 24, 2025 | — |
| 50% | “50%” | Firestone: Pestering prospects destroys sales; timing and method of approach matter most | Shane Parrish | Jun 3, 2025 | — |
| 50% | “50%” | Flatt: 50% of Brookfield's current investment asset classes did not exist 20 years ago | Bruce Flatt | Apr 1, 2025 | — |
| 50% | “50%” | Ury: Fifty percent of the population has a secure attachment style | Logan Ury | Mar 18, 2025 | Supported |
| 50% | “50%” | Ury: Persistent 40-50% divorce rate shows traditional marriage needs rethinking | Logan Ury | Mar 18, 2025 | — |
| 50% | “50%” | Wolfe: 30% to 50% of AI inference will occur on-device | Josh Wolfe | Mar 4, 2025 | Open |
| 50% | “50%” | Wolfe: China graduates 50% of all global AI undergrads | Josh Wolfe | Mar 4, 2025 | Supported |
| 50% | “50%” | Drexler: Gap stock dropped around 50% during his first turnaround year | Mickey Drexler | Feb 4, 2025 | Supported |
| 50% | “50%” | Johnson: Eating dinner at 5 PM halves deep and REM sleep | Bryan Johnson | Dec 24, 2024 | — |
| 50% | “50%” | High-Dose Omega-3 Supplements Cut Muscle Disuse Atrophy by 50% | Dr. Rhonda Patrick | Apr 2, 2024 | Supported |
| 50% | “50%” | Patrick: 30 minutes in 163°F sauna raises heat shock proteins by 50% | Dr. Rhonda Patrick | Apr 2, 2024 | Supported |
| 50% | “50%” | Three Minutes of Vigorous Exercise Thrice Weekly Cuts Mortality by 50% | Dr. Rhonda Patrick | Apr 2, 2024 | Partly supported |
| 50% | “50%” | Johnson: Eating at 5-6 PM cuts REM and deep sleep by 50% | Bryan Johnson | Feb 20, 2024 | — |
| 50% | “50%” | Johnson: Nearly half of my close associates exhibited bad or illegal behavior | Bryan Johnson | Feb 20, 2024 | — |
| 50% | “50%” | Poe: Poor sleep post-vaccination reduces immunization efficacy by at least 50% | Gina Poe | May 30, 2023 | Partly supported |
| 50% | “50%” | Goldsmith: Tweaking a subordinate's idea slightly ruins their commitment to execute | Marshall Goldsmith | Jul 12, 2022 | — |
| 50% | “50%” | Walker: Caffeine has a 5 to 6-hour half-life | Dr. Matt Walker | Feb 22, 2022 | Supported |
| 50% | “50%” | Walker: Evening alcohol consumption cuts nighttime growth hormone by 50% | Dr. Matt Walker | Feb 22, 2022 | Supported |
| 50% | “50%” | McLean: Local newsrooms lost nearly 50% of employees over the past decade | Bethany McLean | Jun 9, 2020 | Supported |
| 50% | “50%” | Kahneman: Insurance underwriters varied by 50% on identical cases, defying 10% expectations | Daniel Kahneman | Oct 15, 2019 | Supported |
| 50% | “50%” | Empathic Discipline Intervention Cut Student Suspension Rates by 50% | Greg Walton | Aug 20, 2019 | Supported |
| 50% | “50%” | Markham: Two hours in nature boosts immune T-cells by 50 percent | Dr. Laura Markham | Feb 19, 2019 | Partly supported |
| 50% | “50%” | Gawande: Surgical Checklists Reduced Mortality by 50% in Eight Cities | Dr. Atul Gawande | Oct 2, 2018 | Supported |
| 50% | “50%” | Gawande: Palliative Care Conversations Extended Lung Cancer Patients' Lives by 25% | Dr. Atul Gawande | Oct 2, 2018 | Supported |
| 50% | “50%” | Half of Emotional Expressions Are Universal; 25% Are Culturally Specific | Dacher Keltner | Feb 21, 2018 | Supported |
| 50% | “50%” | Half of Scientists Were Creationists When Darwin Published Evolution Theory | Dacher Keltner | Feb 21, 2018 | Contradicted |
| 50% | “50%” | Voss: Major Telecom Found 50% of Signed Deals Were Never Implemented | Chris Voss | Jan 3, 2018 | — |
| 50% | “50%” | Sutherland: Metropolitan ad agencies fail if they misunderstand 50% of citizens | Rory Sutherland | May 30, 2017 | — |
| 45% | “45%” | FedEx Owned 45% of the US Overnight Market by 1988 | Shane Parrish | Sep 9, 2025 | Supported |
| 45% | “45%” | The Washington Post's stock dropped 45% during the Watergate investigation | Shane Parrish | Jul 29, 2025 | Supported |
| 45% | “45%” | Schwab forced succession planning with an asymmetric 5 percent profit-share penalty | Shane Parrish | Jul 15, 2025 | Supported |
| 45% | “45%” | Cialdini: Reframing Bose Ad Headline Around FOMO Increased Sales 45% | Robert Cialdini | Oct 19, 2021 | Not publicly verifiable |
| 44% | “44%” | Pat Farrah's Early Retail Concept Ran at Disastrous 12% Gross Margins | Shane Parrish | Dec 16, 2025 | Supported |
| 43% | “43%” | Gupta: Whole Foods represented 43% of Instacart's volume when Amazon acquired it | Ravi Gupta | Apr 18, 2023 | Not publicly verifiable |
| 43% | “43%” | Pasricha: NIMH reports 43% of people report having depression | Neil Pasricha | Oct 18, 2022 | Contradicted |
| 42% | “42%” | Gawande: Up to 42% of Medicare Patients Receive Non-Beneficial Procedures Annually | Dr. Atul Gawande | Oct 2, 2018 | Supported |
| 41% | “41%” | Search engines with higher market share inevitably win via data advantages | Ben Thompson | Sep 5, 2018 | — |
| 40% | “40%” | Housel Allocates 40% of Book Royalties to Taxes and Instantly Invests the Rest | Morgan Housel | Jan 20, 2026 | — |
| 40% | “40%” | Forty percent of Americans eat plant-forward despite only 3% being vegetarian. | Ron Shaich | Nov 11, 2025 | Supported |
| 40% | “40%” | Gil: Bay Area represents 25% of global private tech wealth creation | Elad Gil | May 13, 2025 | Supported |
| 40% | “40%” | Garry Tan: Serial founders built 40% of recent global unicorns | Garry Tan | Apr 29, 2025 | Supported |
| 40% | “40%” | Garry Tan: 60% of serial founders who built recent unicorns are YC alumni | Garry Tan | Apr 29, 2025 | Contradicted |
| 40% | “40%” | Lin: Airbnb lost 80% of its revenue when the pandemic hit | Alfred Lin | Jan 21, 2025 | Partly supported |
| 40% | “40%” | Patrick: Adequate Vitamin D Boosts Dietary Calcium Absorption by 40% | Dr. Rhonda Patrick | Apr 2, 2024 | Supported |
| 40% | “40%” | Using a Sauna Four to Seven Times Weekly Cuts Mortality by 40% | Dr. Rhonda Patrick | Apr 2, 2024 | Supported |
| 40% | “40%” | Patrick: Local heat application reduces muscle disuse atrophy by up to 40% | Dr. Rhonda Patrick | Apr 2, 2024 | Supported |
| 40% | “40%” | Davis: Davis Advisors held no Bear, Lehman, Fannie, Freddie, or Countrywide in 2008 | Christopher Davis | Mar 5, 2024 | — |
| 40% | “40%” | Davis: Baupost cash allocations have historically averaged 15% to 40% | Christopher Davis | Mar 5, 2024 | Supported |
| 40% | “40%” | Dignan: Workplace teams natively control 30% to 40% of their operational decisions | Aaron Dignan | Feb 7, 2023 | — |
| 40% | “40%” | Santos: Genetics Accounts for Only 30% to 40% of Happiness Variance | Laurie Santos | Dec 27, 2022 | Supported |
| 40% | “40%” | Santos: Over 40% of College Students Report Severe Functional Depression | Laurie Santos | Jun 14, 2022 | Supported |
| 40% | “40%” | Santos: The Genetic Heritability of Happiness Is Roughly 30% to 40% | Laurie Santos | Jun 14, 2022 | Supported |
| 40% | “40%” | Walker: Evening coffee can cut deep sleep by 20% to 40% | Dr. Matt Walker | Feb 22, 2022 | Supported |
| 40% | “40%” | Hertz: 40% of office workers experience workplace loneliness | Noreena Hertz | Jun 29, 2021 | Supported |
| 40% | “40%” | Cialdini: Trending Social Proof Persuades More Than Static Market Share | Robert Cialdini | Oct 19, 2021 | — |
| 40% | “40%” | Cubitt: Timing and market matter more than the CEO for startup success | Code Cubitt | Oct 27, 2020 | — |
| 40% | “40%” | Lütke: 30-40% of Schedule Goes to Direct Reports, Rebalanced Quarterly | Tobi Lütke | Sep 18, 2018 | — |
| 40% | “40%” | Rao estimates that 30 to 40 percent of workers are free agents | Venkatesh Rao | Jan 28, 2016 | — |
| 40% | “40%” | Koskinas: Greater Athens represents about 40% of Greece's total population | Aristotle Koskinas | Jan 5, 2017 | Supported |
| 38% | “38%” | Les Schwab's 1970 profit-sharing formula retained only 38 percent for the company | Shane Parrish | Jul 15, 2025 | Contradicted |
| 38% | “38%” | Wolfe: 38% of US AI researchers are from China | Josh Wolfe | Mar 4, 2025 | Supported |
| 38% | “38%” | Mullenweg: WordPress powers 38% of top 10 million sites | Matt Mullenweg | Jan 5, 2021 | Supported |
| 37% | “37%” | Fry: The optimal dating strategy involves exploring for the first 37% | Hannah Fry | Jul 7, 2020 | — |
| 35% | “35%” | Howey: Amazon halves self-publishing royalties outside the $2.99 to $9.99 range | Hugh Howey | Aug 6, 2019 | Supported |
| 33% | “33%” | Duke: Documenting scenario probabilities in advance prevents outcome bias ('resulting') | Annie Duke | Oct 25, 2022 | — |
| 33% | “33%” | Cialdini: Retreating to smaller request raised blood donation compliance to 55% | Robert Cialdini | Oct 19, 2021 | Supported |
| 33% | “33%” | Voss: Labels Raise Negotiation Effectiveness by at Least 30 to 33% | Chris Voss | Jan 3, 2018 | — |
| 33% | “33%” | Duke: Memorializing probability estimates prevents resulting when bad outcomes hit | Annie Duke | Jul 25, 2018 | — |
| 32% | “32%” | 1980s GM spent $331 per car on warranties versus Toyota's $31 | Shane Parrish | Jul 1, 2025 | Supported |
| 31% | “31%” | Pasricha: Studies show workers spend 31% of their time task-switching | Neil Pasricha | Oct 18, 2022 | Contradicted |
| 31% | “31%” | Pasricha: McKinsey finds 31% of the day is spent task-switching | Neil Pasricha | Dec 24, 2019 | Contradicted |
| 31% | “31%” | Robinson: Slovic Study Proves Extra Information Increases Overconfidence Without Improving Accuracy | Adam Robinson | Dec 26, 2018 | Supported |
| 30% | “30%” | Hyundai Completed the Soyang River Dam 30% Below Original Cost Estimates | Shane Parrish | May 19, 2026 | Supported |
| 30% | “30%” | Parrish: Government Fees Account for 30% of New Home Prices in Canada | Shane Parrish | Jan 20, 2026 | Supported |
| 30% | “30%” | Morgan Housel Keeps 20% to 30% of His Net Worth in Cash | Morgan Housel | Jan 20, 2026 | — |
| 30% | “30%” | Evans: US Surveys Show Only Roughly 10% of People Use LLMs Daily | Benedict Evans | Sep 2, 2025 | Supported |
| 30% | “30%” | China shipping volumes plunged 60% before surging upon U.S. tariff relief | Ryan Petersen | Aug 5, 2025 | Partly supported |
| 30% | “30%” | Condé Nast lost nearly $1 billion as ad pages fell in 2009 | Shane Parrish | Jun 17, 2025 | Supported |
| 30% | “30%” | Garry Tan: AI passing the Turing test will jump to 30% this year | Garry Tan | Apr 29, 2025 | — |
| 30% | “30%” | Wolfe: AI Will Cut Software Engineering Hiring by 10% to 30% | Josh Wolfe | Mar 4, 2025 | — |
| 30% | “30%” | Interacting with wealthy peers boosts low-income individuals' lifetime earnings by 30% | Codie Sanchez | Jan 7, 2025 | Partly supported |
| 30% | “30%” | Sitting near low performers decreases employee productivity by 30% | Codie Sanchez | Jan 7, 2025 | Partly supported |
| 30% | “30%” | Housel: Moderate inequality is ideal, but extreme inequality threatens capitalism | Morgan Housel | May 28, 2024 | — |
| 30% | “30%” | Davis: Father Held 30% Cash in 1975, Lagging the Recovery | Christopher Davis | Mar 5, 2024 | Supported |
| 30% | “30%” | Davis: De-risking from Wells Fargo to Nestlé in 2008 led to underperformance | Christopher Davis | Mar 5, 2024 | — |
| 30% | “30%” | Dignan: Workplace teams natively control 30% to 40% of their operational decisions | Aaron Dignan | Feb 7, 2023 | — |
| 30% | “30%” | Santos: Genetics Accounts for Only 30% to 40% of Happiness Variance | Laurie Santos | Dec 27, 2022 | Supported |
| 30% | “30%” | Sinclair: Time-Restricted Feeding Extended Mouse Lifespan by 30% Regardless of Diet | Dr. David Sinclair | Dec 27, 2022 | Partly supported |
| 30% | “30%” | Duke: Forcing colleagues to argue opposing positions moderates views and improves decisions | Annie Duke | Oct 25, 2022 | — |
| 30% | “30%” | Santos: People Smile 30% Less When a Smartphone Is Merely Nearby | Laurie Santos | Jun 14, 2022 | Supported |
| 30% | “30%” | Santos: The Genetic Heritability of Happiness Is Roughly 30% to 40% | Laurie Santos | Jun 14, 2022 | Supported |
| 30% | “30%” | Sinclair: NIH study found daily feeding windows extended mouse lifespans by 30% | Dr. David Sinclair | May 3, 2022 | Partly supported |
| 30% | “30%” | Sinclair: High Lp(a) affects ~30% of people and reduces lifespan | Dr. David Sinclair | May 3, 2022 | Supported |
| 30% | “30%” | Balaji Srinivasan: Governments will fail to ban crypto as elites profit | Balaji Srinivasan | Apr 5, 2022 | — |
| 30% | “30%” | Walker: Optimal sleep comprises 20-25% REM and 20-30% deep non-REM | Dr. Matt Walker | Feb 22, 2022 | Supported |
| 30% | “30%” | Walker: Evening coffee can cut deep sleep by 20% to 40% | Dr. Matt Walker | Feb 22, 2022 | Supported |
| 30% | “30%” | Walker: Insomnia is approximately 30% genetically heritable | Dr. Matt Walker | Feb 22, 2022 | Supported |
| 30% | “30%” | Andreessen notes that Apple continues to exercise significant gatekeeper control | Marc Andreessen | Jan 25, 2022 | Supported |
| 30% | “30%” | Hertz: Lonely people are 30% more likely to die prematurely | Noreena Hertz | Jun 29, 2021 | Supported |
| 30% | “30%” | Cialdini: Sharing commonalities dropped email negotiation deadlocks from 30% to 6% | Robert Cialdini | Oct 19, 2021 | Supported |
| 30% | “30%” | Cialdini: Trending Social Proof Persuades More Than Static Market Share | Robert Cialdini | Oct 19, 2021 | — |
| 30% | “30%” | Cialdini: Asking 'Will you call to cancel?' reduced restaurant no-shows by 67% | Robert Cialdini | Oct 19, 2021 | Supported |
| 30% | “30%” | Simkin: Weather forecasters are exceptionally well-calibrated in probability assessments | Todd Simkin | Sep 7, 2021 | Supported |
| 30% | “30%” | Cubitt: Even equity splits fail because future dilution destroys founder motivation | Code Cubitt | Oct 27, 2020 | — |
| 30% | “30%” | Pandemic conditions consume roughly 30% of a person's baseline energy | Jennifer Garvey-Berger | May 26, 2020 | — |
| 30% | “30%” | Wuhan divorce and marriage rates both jumped 30% post-lockdown | Jennifer Garvey-Berger | May 26, 2020 | Contradicted |
| 30% | “30%” | Gawande: About 30% of All Healthcare Spending Is Waste | Dr. Atul Gawande | Oct 2, 2018 | Supported |
| 30% | “30%” | Sutherland: Business can profit from behavioral quirks that fail academic rigor | Rory Sutherland | May 30, 2017 | — |
| 30% | “30%” | Koskinas: Plato's dialogues are 70% Plato and only 30% real Socrates | Aristotle Koskinas | Jan 5, 2017 | — |
| 25% | “25%” | Tangen: Norway's Sovereign Wealth Fund Finances 25% of National Budget | Nicolai Tangen | Feb 17, 2026 | Supported |
| 25% | “25%” | Ross Perot Demanded 70% of Home Depot for a $2 Million Investment | Shane Parrish | Dec 16, 2025 | Supported |
| 25% | “25%” | Panera generated a 25% IRR over two decades, outperforming Berkshire Hathaway. | Ron Shaich | Nov 11, 2025 | Supported |
| 25% | “25%” | Clayton Homes grew sales 25% annually during the stagflation era | Shane Parrish | Oct 21, 2025 | Contradicted |
| 25% | “25%” | Jimmy Pattison cut head office staff by 25% before 1980s recession | Shane Parrish | Jul 1, 2025 | Partly supported |
| 25% | “25%” | Owning 100% of something smaller beats 25% with bad partners | Shane Parrish | Jul 1, 2025 | — |
| 25% | “25%” | By 1938, Firestone controlled 25% of US tire market with $156M+ sales | Shane Parrish | Jun 3, 2025 | Supported |
| 25% | “25%” | Gil: Bay Area represents 25% of global private tech wealth creation | Elad Gil | May 13, 2025 | Supported |
| 25% | “25%” | Poilievre claims 25% of Canadians in poverty and food bank lineups doubled | Pierre Poilievre | Apr 13, 2025 | Partly supported |
| 25% | “25%” | Poilievre commits to 25% federal regulation cut and two-for-one rule | Pierre Poilievre | Apr 13, 2025 | — |
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