The IQ scores behind
famous names.
Every famous IQ number has a story behind it — who said it, when, and whether anyone ever checked. We set out what is actually known for each name, then show you how your own measured score compares.
Excellent 4.8/51 million+ test takersIIF certifiedStart with a field
Profiles are grouped by what each person is known for. Categories with no profiles yet are shown so you can see the shape of the section as it fills out.
Business & Tech Leaders
Founders, executives and inventors — the people whose intelligence gets talked about most, and measured least.
Scientists & Physicists
Researchers and theorists whose names have become shorthand for genius — and the numbers that came with them.
Actors & Filmmakers
Screen and stage names whose off-camera reputations attract as much speculation as their work.
Musicians
Songwriters, producers and performers — a field where “genius” is used constantly and defined rarely.
Athletes
Sport is full of claims about reading the game. These are the numbers people attach to that.
Writers & Thinkers
Novelists, essayists and philosophers, and the figures that get retrofitted onto their reputations.
Political Figures
The category with the most documented hoaxes — invented scores here have twice reached the mainstream press.
Historical Figures
People who died long before intelligence testing existed, and the retrospective estimates made about them.
Fictional Characters
Characters get IQ figures too — and unlike real people, nobody is harmed by the guess.
How this scales. Every category count, listing, filter chip and related rail on this site is derived from one data file. Adding a celebrity means appending a single record — no page is edited by hand.
Every name we’ve looked into
Each profile sets out the figure that circulates, where it came from, and what a score like it would actually mean.
Michael Jordan
No profiles in that category yet.
Portrait © Matthew Yohe, CC BY-SA 3.0. The background-removed portrait above is a derivative work and is likewise offered under the same licence. · Portrait © Debbie Rowe / The Royal Society, CC BY-SA 3.0. The background-removed portrait above is a derivative work and is likewise offered under the same licence. · Portrait by Christopher Smith, U.S. Department of Health and Human Services — a work of the U.S. federal government, public domain. Background removed for the portrait above. · Portrait by Los Angeles Air Force Base, Space and Missile Systems Center — a work of the U.S. federal government, public domain. Background removed for the portrait above. · Portrait by Ferdinand Schmutzer (1921), public domain. Background removed for the portrait above. · Portrait via Festival de Deauville, CC BY 4.0. Background removed for the portrait above. · Portrait © David J. Cable / Arcadia Photographic UK, CC BY-SA 2.0. The background-removed portrait above is a derivative work and is likewise offered under the same licence. · Portrait © Frans Peeters, CC BY-SA 2.0. The background-removed portrait above is a derivative work and is likewise offered under the same licence. · Portrait by Godfrey Kneller (1689), public domain. · Portrait by Rembrandt Peale (1800), public domain. · Portrait from the workshop of Nicolas de Largillière, public domain. · Illustration by Sidney Paget (1890s), public domain. · Portrait by Jeff Sainlar, CC BY-SA 4.0. Background removed for the portrait above. · Photograph by Napoleon Sarony (c. 1890), public domain. Background removed for the portrait above. · Photograph by Toglenn, CC BY-SA 3.0. Background removed for the portrait above. · Portrait by Barbara Krafft (1819), public domain. Background removed for the portrait above. · Photograph by Bert Verhoeff for Anefo (1972), CC0. Background removed for the portrait above. · Portrait by Joseph Karl Stieler (1828), public domain. Background removed for the portrait above. · Photograph by Cecil W. Stoughton, White House, public domain. Background removed for the portrait above. · Presumed self-portrait, red chalk, c. 1512, via Wikimedia Commons, public domain. · Illustration by Sidney Paget (1893), public domain. Background removed for the portrait above. · Photograph by the USA International Trade Administration (2015), public domain. Background removed for the portrait above. · Los Alamos National Laboratory badge photograph, via Wikimedia Commons, CC0. Background removed for the portrait above. · Photograph by Toglenn (2018), CC BY-SA 4.0. Background removed for the portrait above. · Photograph by the Junta de Andalucía (2023), CC BY-SA 2.0. Background removed for the portrait above. · Photograph by Fryta 73 (2015), CC BY-SA 2.0. Background removed for the portrait above. · Photograph by Henri Manuel (c. 1920), public domain. Background removed for the portrait above. · Photograph by Alexander Gardner (8 November 1863), public domain. Background removed for the portrait above. · Photograph by Phillip Leonian for the New York World-Telegram & Sun (before 1959), public domain. Background removed for the portrait above. · Illustration by Sidney Paget for The Strand Magazine (1893), public domain. Background removed for the portrait above. · Photograph by iHeartRadioCA, CC BY 3.0. The background-removed portrait above is a derivative work offered under the same licence. · Official portrait by Shealah Craighead for the White House, public domain. Background removed for the portrait above. · Photograph by Bryan Berlin / WikiPortraits, CC BY-SA 4.0. The background-removed portrait above is a derivative work offered under the same licence. · Photograph by David Shankbone (2009), public domain. Background removed for the portrait above. · Photograph by Erik Drost, CC BY 2.0. The background-removed portrait above is a derivative work offered under the same licence. · Photograph by ²°¹°°, Paris, 2006, public domain. Cropped from the original. · Photograph by Gage Skidmore (2017), CC BY-SA 2.0. Background removed for the portrait above. · Photograph by the Institute for Pure & Applied Mathematics (2026), CC BY 4.0. Background removed for the portrait above. · Photograph by Sam Shaw (1954), public domain. Background removed for the portrait above. · Photograph by Brendan Linden (2021), CC0. Background removed for the portrait above. · Photograph by Ira Rosenberg for the New York World-Telegram (1967), public domain. Background removed for the portrait above. · The Chandos portrait, attributed to John Taylor (c. 1600–1610), public domain. · Official White House photograph by Pete Souza (2012), public domain. Background removed for the portrait above. · Photograph (1913) held by Trinity College, Cambridge, via Wikimedia Commons, CC BY 4.0. · Frontispiece by Theodor von Holst for the 1831 edition, public domain. · Photograph by Stansfield PL, CC BY-SA 3.0. Background removed for the portrait above. · Photograph by Maryland GovPics, CC BY 2.0. Background removed for the portrait above. · Photograph by Gabriel Hutchinson, CC BY-SA 4.0. Background removed for the portrait above. · Photograph by Raph_PH, CC BY 2.0. Background removed for the portrait above. · Photograph by Erik Drost, CC BY 2.0. Background removed for the portrait above. · Photograph, 1907, via the Library of Congress (digital ID cph.3a08820), public domain. Background removed for the portrait above. · Print attributed to Jérôme David, after Rembrandt van Rijn, published by François Langlois. Rijksmuseum (object RP-P-OB-63.789), CC0. · Photograph by Eric Draper, White House, public domain. Background removed for the portrait above. · Photograph by Louis Bachrach, Bachrach Studios, restored by Michel Vuijlsteke, public domain. Background removed for the portrait above. · Photograph by Steve Jurvetson, CC BY 2.0. Background removed for the portrait above. · Photograph from the US National Archives (catalog 558579), public domain. · Photograph by iDominick, CC BY-SA 2.0. Background removed for the portrait above. · Portrait by Joseph Karl Stieler (1820), public domain. · Photograph by Przemysław Jahr, CC BY-SA 3.0. Cropped; background removed for the portrait above. · Daguerreotype, c. 1849, photographer unknown; restored version, public domain. · Photograph by Yousuf Karsh, Ottawa, 1941 — public domain in Canada and the United States; the Library and Archives Canada scan is CC BY 2.0. · Daguerreotype by Antoine Claudet (c. 1843), public domain. · Photograph of a cosplayer as Light Yagami by Farhan Ahmad Tajuddin (2017), CC BY 2.0. Cropped; background removed for the portrait above. The character is the creation of Tsugumi Ohba and Takeshi Obata. · Photograph by Village Global, CC BY 2.0. Background removed for the portrait above. · Photograph by Elliott & Fry, public domain. Background removed for the portrait above. · Photograph by Kevin Paul, CC BY 4.0. Background removed for the portrait above. · Photograph by Philip Romano, CC BY-SA 4.0. Background removed for the portrait above. · Photograph by Jay Godwin, LBJ Presidential Library, public domain (U.S. government work). · Portrait by Christian Albrecht Jensen (1840), via Wikimedia Commons, public domain. · Photograph by Rob Bogaerts, Nationaal Archief, CC0. Background removed for the portrait above. · Photograph by Napoleon Sarony (1882), Library of Congress, public domain. · Photograph of a cosplayer as L by Piotrus (2012), CC BY-SA 3.0. Cropped from the original. The character is the creation of Tsugumi Ohba and Takeshi Obata. · Photograph of a cosplayer as Shikamaru Nara by Narukyubi (2009), CC BY-SA 3.0. Cropped from the original. The character is the creation of Masashi Kishimoto. · Photograph by Bernhard Holub, CC BY-SA 4.0. Background removed for the portrait above. · Portrait by Joseph-Siffred Duplessis (c. 1785), public domain. · Photograph by Lloyd Arnold, public domain. Background removed for the portrait above. · Photograph by Raimond Spekking, CC BY-SA 4.0. Background removed for the portrait above. · Photograph by Foundations World Economic Forum, CC BY 2.0. Background removed for the portrait above. · Photograph by Jay Murdock, CC BY-SA 4.0. · Photograph by Harald Krichel, CC BY-SA 4.0. Background removed for the portrait above. · Photograph by PhilipRomanoPhoto, CC BY 4.0. Background removed for the portrait above. · Photograph by Jeffrey Beall, CC BY 3.0. Cropped from the original. · Photograph by Maull & Fox (1854), public domain. Background removed for the portrait above. · Photograph by the Russian Presidential Press and Information Office, CC BY 4.0. Background removed for the portrait above. · Press photograph by the Branch of the National Union of Journalists (1943), public domain. Background removed for the portrait above. · Photograph of a cosplayer as Kurisu Makise by Carter McKendry, CC BY 2.0. Background removed for the portrait above. The character is the creation of 5pb. and Nitroplus. · Photograph by the U.S. Department of State, public domain. Background removed for the portrait above. · Photograph, publisher Mathematical Association of America, via Wikimedia Commons, public domain. Background removed for the portrait above. · Photograph by Claire Fridkin, CC BY-SA 4.0. Background removed for the portrait above. · Photograph by the World Economic Forum, CC BY 2.0. Background removed for the portrait above. · Photograph by ChessKelly, CC BY 4.0. Background removed for the portrait above. · Portrait, copy after François II Quesnel, via Wikimedia Commons, public domain. · Official U.S. Department of State portrait, public domain, via Wikimedia Commons. · Photograph, 1954, via Wikimedia Commons, public domain. · Photograph of a cosplayer as Itachi Uchiha by BrokenSphere (2010), CC BY-SA 3.0. Cropped from a two-person photograph; background removed for the portrait above. The character is the creation of Masashi Kishimoto. · Photograph by Anderseidesvik, CC BY-SA 4.0. Background removed for the portrait above. · Photographer unknown, via Wikimedia Commons, CC BY-SA 3.0 DE. Background removed for the portrait above. · Photograph by Jennifer Jacquemart, CC BY 4.0. Background removed for the portrait above. · Photograph by Pixel Focus, CC BY 2.0. Background removed for the portrait above. · Photograph by Barcex, CC BY-SA 4.0. Background removed for the portrait above. · Portrait by Justus Sustermans (1636), via Wikimedia Commons, public domain. · Photograph by Bob McNeely, The White House, public domain, via Wikimedia Commons. Background removed for the portrait above. · Photograph by Étienne Carjat (1876), public domain. Background removed for the portrait above. · Photograph of a cosplayer as Edward Elric by Farhan Ahmad Tajuddin (2014), CC BY 2.0. Cropped from a wider photograph; background removed for the portrait above. The character is the creation of Hiromu Arakawa. · Photograph by John Sears, CC BY-SA 4.0. Background removed for the portrait above. · Photograph by Duncan.Hull, CC BY-SA 4.0. Background removed for the portrait above. · Photograph by Eva Rinaldi, CC BY-SA 2.0. Background removed for the portrait above. · 1974 Apple Records / Capitol Records press photograph by Bob Gruen, public domain (published without a copyright notice). Background removed for the portrait above. · Photograph by Bryan Berlin / WikiPortraits, CC BY-SA 4.0. The background-removed portrait above is a derivative work offered under the same licence. · Portrait by Jacques-Louis David (1812), via Wikimedia Commons, public domain. · Official White House photograph by Adam Schultz, public domain. Background removed for the portrait above. · Photograph (1914), photographer unknown, via Wikimedia Commons, public domain. · Photograph of a cosplayer as Rick Sanchez by Nicholas Moreau, CC BY-SA 4.0. Cropped from a wider photograph; background removed for the portrait above. The character is the creation of Justin Roiland and Dan Harmon. · Photograph by John Phillips, CC BY 2.0. Background removed for the portrait above. · Photograph by Gage Skidmore, CC BY-SA 2.0. Background removed for the portrait above. · Photograph by PhilipRomano, CC BY-SA 4.0. Background removed for the portrait above. · Photograph by Matthew Rolston (1983), distributed by Epic Records, public domain. Background removed for the portrait above. · Photograph by Joshua Massel, cropped by Commons user Quadzilla99, CC BY-SA 2.0. · Photograph by Marie-Lan Nguyen, public domain. Background removed for the portrait above. · Photograph by Vladimir Smirnov / TASS, CC BY 4.0. Cropped from a wider photograph; background removed for the portrait above. · Photograph by an unknown photographer (1923), public domain. Background removed for the portrait above. · Photograph of a cosplayer as Kaguya Shinomiya by YuChen Cheng, CC BY 2.0. Background removed for the portrait above. The character is the creation of Aka Akasaka. · Photograph by Xuthoria, CC BY-SA 4.0. Background removed for the portrait above. · Los Alamos National Laboratory badge photograph, c. 1940s, public domain (PD-LosAlamos). Background removed for the portrait above. · Photograph by Montclair Film, CC BY 4.0. Background removed for the portrait above. · Photograph by Carlos M. Vazquez II, CC BY 2.0. Background removed for the portrait above. · Photograph by Super Festivals, CC BY 2.0. Background removed for the portrait above. · Photograph by John Jabez Edwin Mayall (1875), public domain. Background removed for the portrait above. · Official White House photograph by Emily J. Higgins (2026), public domain. Background removed for the portrait above. · Photograph by Gtl12345, CC BY-SA 4.0. Cropped and with background removed for the portrait above. · Photograph of a cosplayer as Lelouch Lamperouge by Benlisquare, CC BY-SA 4.0. Lelouch Lamperouge is a character created by Sunrise, Ichirō Ōkouchi and Gorō Taniguchi. Cropped and with background removed for the portrait above. · Photograph by Tyren Redd, CC BY 4.0. Background removed for the portrait above. · Photograph by George Bergman (Berkeley, September 1993; re-scanned), CC BY-SA 4.0. · Photograph by iDominick (PaleyFest, March 2013), CC BY-SA 2.0. Background removed for the portrait above. · Photograph by The Come Up Show (July 2016), CC BY 2.0. Background removed for the portrait above. · Photograph by Wolfgang Jekel (London Chess Classic, 2016), CC BY 2.0. Background removed for the portrait above. · Photograph by Eric Gaba (Wikimedia Commons user: Sting) (July 2005), CC BY-SA 2.5. Roman marble portrait of Socrates, 1st century AD, Louvre Museum. Background removed for the portrait above. · Official portrait by the U.S. Department of State (January 2009), public domain. Background removed for the portrait above. · Photograph by Friedrich Hermann Hartmann (c. 1875), public domain. Background removed for the portrait above. · Photograph of a cosplayer as Kakashi Hatake by big-ashb, CC BY 2.0. Kakashi Hatake is a character created by Masashi Kishimoto, from Naruto. Cropped and with background removed for the portrait above. · Photograph by Nick Webb (May 2010), CC BY 2.0. Cropped and with background removed for the portrait above. · Photograph by Montclair Film Festival (photo by Neil Grabowsky, May 2017), CC BY 2.0. Background removed for the portrait above. · Photograph by DanByers (March 2010), public domain. Cropped and with background removed for the portrait above. · Daguerreotype by Louis-Auguste Bisson (1849), public domain. Background removed for the portrait above. · Photograph by Frans Peeters (Tata Steel Chess Tournament, January 2024), CC BY-SA 2.0. Background removed for the portrait above. · Photograph by Jastrow (2006), public domain. Roman marble copy after a Greek bronze by Lysippos (c. 330 BCE); the alabaster mantle is a modern addition. Background removed for the portrait above. · Portrait by Gilbert Stuart (the Williamstown portrait, his copy of the Athenaeum portrait, in the Clark Art Institute), public domain. · Photograph by Martin Kraft (Frankfurt Book Fair, October 2024), CC BY-SA 4.0. Background removed for the portrait above. · Photograph of a cosplayer as Reed Richards by William Tung (WonderCon, April 2017), CC BY-SA 2.0. Reed Richards (Mister Fantastic) is a character created by Stan Lee and Jack Kirby for Marvel Comics. Cropped and with background removed for the portrait above. · Photograph by Krd (LinuxCon Europe, October 2014; cropped by Von Sprat), CC BY-SA 4.0. Background removed for the portrait above. · Photograph by Newhcrossaint (2025), CC BY-SA 4.0. Background removed for the portrait above. · Photograph by PhilipRomano (NYC premiere of The Odyssey, July 2026), CC BY-SA 4.0. Background removed for the portrait above. · Photograph by Diego Serrano (WrestleMania XL, April 2024), CC BY 2.0. Background removed for the portrait above. · Photograph by Bryan Berlin (13 June 2026), CC BY-SA 4.0. Background removed for the portrait above. · Photograph by Ángel M. Felicísimo, public domain. Background removed for the portrait above. · Photograph by Velislav Nikolov (EU2018BG), via Wikimedia Commons (Informal Meeting of the Foreign Affairs Council, February 2018), CC BY 2.0. Background removed for the portrait above. · Portrait by Vasily Perov (1872), Tretyakov Gallery, via Wikimedia Commons, public domain. · Photograph of actor Nicholas Hoult by Harald Krichel (81st Venice International Film Festival, August 2024), CC BY-SA 4.0. Lex Luthor is a character created by Jerry Siegel and Joe Shuster, portrayed by Hoult in Superman (2025). Background removed for the portrait above. · Photograph by Gleuschk (MSRI, May 2007), CC BY-SA 3.0. Background removed for the portrait above. · Photograph by Ojan (Chalmers University of Technology, April 2008), public domain. Background removed for the portrait above. · Photograph by Gage Skidmore (San Diego Comic-Con International, July 2015), CC BY-SA 3.0. Background removed for the portrait above. · Photograph by Raph_PH (Renaissance World Tour, June 2023), CC BY 2.0. Background removed for the portrait above. · Photograph by Harry Pot for Anefo, Dutch National Archives, via Wikimedia Commons (26 April 1962), CC BY-SA 3.0 NL. Cropped to exclude another member of the delegation visible in the original frame. Background removed for the portrait above. · Portrait by Domenico Fetti (circa 1620), via Wikimedia Commons, public domain. · Official U.S. government portrait (Department of Defense / Department of the Navy, 1977), via Wikimedia Commons, public domain. Background removed for the portrait above. · Photograph by Joe Loong (Tech@State: Moneyball Diplomacy, June 2013), CC BY-SA 2.0. Background removed for the portrait above. · Photograph of actor Anthony Hopkins by Omar David Sandoval Sida (Red Sea International Film Festival, December 2025), CC BY-SA 4.0. Hannibal Lecter is a character created by Thomas Harris, portrayed by Hopkins in The Silence of the Lambs (1991) and its sequels. Background removed for the portrait above. · Photograph by Gage Skidmore (Scottsdale, Arizona, 2022), CC BY-SA 3.0. Background removed for the portrait above. · Photograph by Σ (Amherst, Massachusetts, April 13, 2017), retouched by Wugapodes and Jonnmann, CC BY-SA 4.0. Background removed for the portrait above. · Photograph by David Shankbone (Tribeca Film Festival, April 2012), CC BY 3.0. Background removed for the portrait above. · Still from a video by K-POPIT 케이팝잇 on YouTube (Seoul, November 24, 2023), CC BY 3.0. Background removed for the portrait above. · Photograph by Anand Anil (November 2017), CC BY-SA 4.0. Background removed for the portrait above. · Photograph by an unknown photographer (1906), via Wikimedia Commons, public domain. Background removed for the portrait above. · Official portrait by the Press Service of the President of Ukraine (president.gov.ua, 2022), CC BY 4.0. Background removed for the portrait above. · Photograph by Christopher Michel (March 18, 2016), CC BY-SA 4.0. Cropped from the original. Background removed for the portrait above. · Photograph of a cosplayer as Doctor Doom by Super Festivals (July 2013), CC BY 2.0. Doctor Doom is a character created by Stan Lee and Jack Kirby for Marvel Comics. Cropped and with background removed for the portrait above. · Photograph by Lukasz Kobus (© European Union, 2023; source: European Commission Audiovisual Service, May 24, 2023), CC BY 4.0. Cropped from the original. Background removed for the portrait above. · Photograph by Elke Wetzig (University of Cologne, November 2, 2006), CC BY-SA 3.0. Cropped and with background removed for the portrait above. · Photograph by Elena Ternovaja (Berlinale, February 17, 2024), CC BY-SA 3.0. Background removed for the portrait above. · Photograph by Glenn Francis (www.PacificProDigital.com; iHeartRadio Music Awards, Los Angeles, March 14, 2019), CC BY-SA 4.0. Background removed for the portrait above. · Photograph by All-Pro Reels (Lambeau Field, Green Bay, Wisconsin, October 24, 2021), CC BY-SA 2.0. Background removed for the portrait above. · Detail of the Alexander Mosaic from the House of the Faun, Pompeii (c. 100 BCE; now in the National Archaeological Museum of Naples), via Wikimedia Commons, public domain. · Copy by Mathew Brady (c. 1855–1865) of a daguerreotype made between 1843 and 1848 by an unknown photographer, from the U.S. National Archives (Record Group 111) and digitally restored, via Wikimedia Commons, public domain. Background removed for the portrait above. · Photograph by Kevin Payravi (Toronto International Film Festival, September 6, 2024), CC BY-SA 4.0. Cropped and with background removed for the portrait above. · Photograph of actor Mark Ruffalo by Gage Skidmore (San Diego Comic-Con, July 22, 2017), CC BY-SA 2.0. Bruce Banner is a character created by Stan Lee and Jack Kirby for Marvel Comics, played by Ruffalo in the Marvel Cinematic Universe films. Cropped and with background removed for the portrait above. · Photograph by Eva Rinaldi (Westfield Parramatta, Sydney, Australia, September 13, 2014), CC BY-SA 2.0. Background removed for the portrait above. · Photograph by an unknown photographer (c. 1935) from the ETH-Bibliothek image archive (Portr_14163), released with a Public Domain Mark. Cropped and with background removed for the portrait above. · Photograph by Rebecca Lai (Flickr), cropped by East718 and Materialscientist, CC BY 2.0. Background removed for the portrait above. · Photograph by Saturnmondays (Barclays Center, Brooklyn, July 18, 2026), CC BY 4.0. · Photograph by MarkScottAustinTX (Dell CE Day, October 3, 2017), CC BY-SA 2.0. Background removed for the portrait above. · Photograph by Max Halberstadt (c. 1921), public domain. Cropped and with background removed for the portrait above. · Official portrait by Avi Ohayon (Government Press Office of Israel, February 1, 2023), CC BY-SA 3.0. Cropped and with background removed for the portrait above. · Photograph by Marion S. Trikosko for U.S. News & World Report (March 26, 1964), Library of Congress, Prints and Photographs Division (LC-DIG-ppmsc-01269); no known copyright restrictions. Cropped. · Photograph of actor Christian Bale by Harald Krichel (Berlinale, February 11, 2019), CC BY-SA 4.0. Batman is a character created by Bob Kane and Bill Finger and published by DC Comics; this is a photograph of the actor who played the role in the 2005–2012 film trilogy, not of the character. Background removed for the portrait above. · Photograph by TechCrunch (TechCrunch Disrupt, San Francisco, September 20, 2023), CC BY 2.0. Background removed for the portrait above. · Photograph by Kenneth C. Zirkel (Cornell University, c. 1987), CC BY-SA 4.0. Background removed for the portrait above. · Photograph by Gage Skidmore (San Diego Comic-Con, July 12, 2012), CC BY-SA 3.0. Background removed for the portrait above. · Photograph by Lou Stejskal (Allstate Arena, Rosemont, Illinois, November 18, 2015), CC BY 2.0. Background removed for the portrait above. · Photograph by All-Pro Reels (October 17, 2021), CC BY-SA 2.0. Background removed for the portrait above. · Photograph by an unknown photo studio, from the Commons file (c. 1925–26), public domain in the UK (author unknown, term expired) and the US (published before 1928). Background removed for the portrait above. · Official portrait by the U.S. Department of Health and Human Services (February 21, 2025), public domain (U.S. federal government work). Background removed for the portrait above. · Yuan-dynasty court portrait of Taizu (Genghis Khan), artist unknown, 14th century, in the collection of the National Palace Museum, Taipei; the painting is in the public domain (digitized copy via Shuge). · Photograph of actor Robert Downey Jr. by Edgar Meritano (promoting Iron Man, Mexico City, April 9, 2008), CC BY-SA 3.0. Tony Stark / Iron Man is a character created by Stan Lee, Larry Lieber, Don Heck and Jack Kirby and published by Marvel Comics; this is a photograph of the actor who plays the role in the Marvel Cinematic Universe, not of the character. Background removed for the portrait above. · Photograph by Alan Fisher for the New York World-Telegram and the Sun (1938), from the Library of Congress New York World-Telegram and the Sun Newspaper Photograph Collection (Commons file), cropped from a larger picture; public domain. Background removed for the portrait above. · Portrait by NASA (NASA Langley Research Center, 1983, image 1983-L-04373), public domain (U.S. federal government work). Background removed for the portrait above. · Photograph by Philip Romano (New York premiere of The Odyssey, July 14, 2026), CC BY-SA 4.0. Background removed for the portrait above. · Photograph by Glenn Francis (www.PacificProDigital.com; Los Angeles, October 11, 2019), CC BY-SA 4.0. Background removed for the portrait above. · Photograph by All-Pro Reels (October 17, 2021), CC BY-SA 2.0. Background removed for the portrait above. · Photograph, 1904, photographer not recorded, from the Library of Congress Prints and Photographs Division (cph.3c12513; Commons file), public domain in the United States (copyright expired). Background removed for the portrait above. · Official portrait by Lawrence Jackson (The White House, 2021), public domain (U.S. federal government work). Background removed for the portrait above. · Photograph by Gage Skidmore (AmericaFest, Phoenix Convention Center, Phoenix, Arizona, December 19, 2024), CC BY-SA 2.0. Background removed for the portrait above. · Photograph of a cosplayer dressed as Naruto Uzumaki by Johnson Wen (Taichung, Taiwan, August 2, 2015), CC BY-SA 2.0. Naruto Uzumaki is a character created by Masashi Kishimoto and published by Shueisha; this is a photograph of a cosplayer, not an image of the character. Background removed for the portrait above.
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Thirty questions, scored against general-population benchmarks and placed on the standard scale — with the percentile that goes with it.
Take the test →Ranked by estimated IQ
Ordered on the midpoint of each estimate. These are inferences from documented records, not measured scores, so read the method column alongside the number.
| # | Name | Field | Estimate | Method |
|---|---|---|---|---|
| 1 | Rick Sanchez | Fictional | 195–215 | Character analysis (fiction) |
| 2 | Reed Richards | Fictional | 190–210 | Character analysis (fiction) |
| 3 | Mycroft Holmes | Fictional | 185–205 | Character analysis (fiction) |
| 4 |  Doctor Doom | Fictional | 185–205 | Character analysis (fiction) |
| 5 |  Sherlock Holmes | Fictional | 180–200 | Character analysis (fiction) |
| 6 | Lex Luthor | Fictional | 180–200 | Character analysis (fiction) |
| 7 |  Bruce Banner | Fictional | 180–200 | Character analysis (fiction) |
| 8 |  Blaise Pascal | Historical | 180–195 | Historiometric estimate (Cox 1926 method) |
| 9 | L Lawliet | Fictional | 178–195 | Character analysis (fiction) |
| 10 | Leonardo da Vinci | Historical | 175–195 | Achievement-based estimate (historiometric) |
| 11 | Professor Moriarty | Fictional | 175–195 | Character analysis (fiction) |
| 12 | Itachi Uchiha | Fictional | 175–195 | Character analysis (fiction) |
| 13 |  William James Sidis | Writers | 170–200 | Achievement-based estimate (historiometric) |
| 14 | Lelouch Lamperouge | Fictional | 175–195 | Character analysis (fiction) |
| 15 | Hannibal Lecter | Fictional | 175–195 | Character analysis (fiction) |
| 16 |  Batman | Fictional | 175–195 | Character analysis (fiction) |
| 17 |  Tony Stark | Fictional | 175–195 | Character analysis (fiction) |
| 18 |  Isaac Newton | Historical | 170–190 | Historiometric estimate (Cox 1926 method) |
| 19 |  Voltaire | Writers | 170–190 | Historiometric estimate (Cox 1926 method) |
| 20 |  Terence Tao | Scientists | 170–190 | Test-anchored estimate (SAT-derived) |
| 21 |  Srinivasa Ramanujan | Historical | 170–190 | Achievement-based estimate (historiometric) |
| 22 |  Doctor Faustus | Fictional | 170–190 | Character analysis (fiction) |
| 23 | Light Yagami | Fictional | 170–190 | Character analysis (fiction) |
| 24 |  Carl Friedrich Gauss | Historical | 170–190 | Achievement-based estimate (historiometric) |
| 25 | John von Neumann | Scientists | 170–190 | Achievement-based estimate (historiometric) |
| 26 | Johann Wolfgang von Goethe | Writers | 165–185 | Historiometric estimate (Cox 1926 method) |
| 27 |  Kurisu Makise | Fictional | 165–185 | Character analysis (fiction) |
| 28 |  Emmy Noether | Scientists | 165–185 | Achievement and academic record |
| 29 |  Werner Heisenberg | Scientists | 165–185 | Achievement and academic record |
| 30 | Grigori Perelman | Scientists | 165–185 | Achievement and academic record |
| 31 | Edward Witten | Scientists | 165–185 | Achievement and academic record |
| 32 |  Victor Hugo | Writers | 165–180 | Historiometric estimate (Cox 1926 method) |
| 33 | Archimedes | Historical | 160–185 | Achievement-based estimate (historiometric) |
| 34 |  Albert Einstein | Scientists | 160–180 | Historiometric estimate (Cox 1926 method) |
| 35 | Bobby Fischer | Athletes | 160–180 | Test-anchored estimate (school record, unreleased) |
| 36 | Marie Curie | Historical | 160–180 | Achievement-based estimate (historiometric) |
| 37 |  William Shakespeare | Writers | 160–180 | Achievement-based estimate (historiometric) |
| 38 |  Victor Frankenstein | Fictional | 160–180 | Character analysis (fiction) |
| 39 |  Alan Turing | Scientists | 160–180 | Academic record (completed doctorate) |
| 40 | Kakashi Hatake | Fictional | 160–180 | Character analysis (fiction) |
| 41 |  John Nash | Scientists | 160–180 | Achievement and academic record |
| 42 | Nikola Tesla | Scientists | 160–175 | Achievement-based estimate (historiometric) |
| 43 |  Bertrand Russell | Writers | 160–175 | Achievement and academic record |
| 44 |  Galileo Galilei | Historical | 150–185 | Historiometric estimate (Cox 1926 method) |
| 45 | Christopher Langan | Writers | 160–175 | Test-anchored estimate (unsupervised high-range test) |
| 46 |  J. Robert Oppenheimer | Scientists | 155–175 | Academic record (completed doctorate) |
| 47 |  Ada Lovelace | Historical | 155–175 | Achievement-based estimate (historiometric) |
| 48 |  Benjamin Franklin | Historical | 155–175 | Achievement-based estimate (historiometric) |
| 49 | Edward Elric | Fictional | 155–175 | Character analysis (fiction) |
| 50 | Isaac Asimov | Writers | 155–170 | Academic record (completed doctorate) |
| 51 |  Thomas Jefferson | Politics | 150–170 | Historiometric estimate (Cox 1926 method) |
| 52 | Stephen Hawking | Scientists | 150–170 | Academic record (completed doctorate) |
| 53 |  Edgar Allan Poe | Writers | 150–170 | Achievement-based estimate (historiometric) |
| 54 | Shikamaru Nara | Fictional | 150–170 | Character analysis (fiction) |
| 55 |  Kaguya Shinomiya | Fictional | 150–170 | Character analysis (fiction) |
| 56 | Aristotle | Historical | 150–170 | Achievement-based estimate (historiometric) |
| 57 | Fyodor Dostoevsky | Writers | 150–170 | Achievement-based estimate (historiometric) |
| 58 |  Noam Chomsky | Scientists | 150–170 | Achievement and academic record |
| 59 |  John Quincy Adams | Politics | 150–170 | Historiometric estimate (Cox 1926 method) |
| 60 | Wolfgang Amadeus Mozart | Musicians | 150–165 | Historiometric estimate (Cox 1926 method) |
| 61 |  Steve Wozniak | Business & Tech | 150–165 | Achievement and academic record |
| 62 |  Sergey Brin | Business & Tech | 150–165 | Achievement and academic record |
| 63 |  Ludwig van Beethoven | Musicians | 150–165 | Historiometric estimate (Cox 1926 method) |
| 64 |  Michio Kaku | Scientists | 150–165 | Achievement and academic record |
| 65 |  Jensen Huang | Business & Tech | 150–165 | Achievement and academic record |
| 66 | Friedrich Nietzsche | Writers | 150–165 | Achievement and academic record |
| 67 | Jim Simons | Business & Tech | 150–165 | Academic record (completed doctorate) |
| 68 |  J.R.R. Tolkien | Writers | 150–165 | Achievement and academic record |
| 69 |  Steve Jobs | Business & Tech | 150–160 | Achievement-based estimate (historiometric) |
| 70 | Bill Gates | Business & Tech | 150–160 | Test-anchored estimate (SAT-derived) |
| 71 |  Mark Twain | Writers | 145–165 | Achievement-based estimate (historiometric) |
| 72 |  Plato | Historical | 145–165 | Achievement-based estimate (historiometric) |
| 73 |  Carl Sagan | Scientists | 145–165 | Achievement and academic record |
| 74 |  Magnus Carlsen | Athletes | 145–160 | Domain performance (published Elo rating) |
| 75 |  Warren Buffett | Business & Tech | 145–160 | Achievement and academic record |
| 76 |  Larry Page | Business & Tech | 145–160 | Achievement and academic record |
| 77 |  Ryan Fitzpatrick | Athletes | 145–160 | Domain performance (published Elo rating) |
| 78 | John Urschel | Athletes | 145–160 | Academic record (completed doctorate) |
| 79 |  Demis Hassabis | Business & Tech | 145–160 | Achievement and academic record |
| 80 | Linus Torvalds | Business & Tech | 145–160 | Achievement and academic record |
| 81 | Nassim Nicholas Taleb | Writers | 145–160 | Achievement and academic record |
| 82 |  Dario Amodei | Business & Tech | 145–160 | Achievement and academic record |
| 83 |  Jeff Bezos | Business & Tech | 145–155 | Achievement-based estimate (historiometric) |
| 84 | Abraham Lincoln | Politics | 140–160 | Historiometric estimate (Cox 1926 method) |
| 85 |  Thomas Edison | Historical | 140–160 | Achievement-based estimate (historiometric) |
| 86 |  Winston Churchill | Politics | 140–160 | Achievement-based estimate (historiometric) |
| 87 |  Karl Marx | Historical | 140–160 | Achievement-based estimate (historiometric) |
| 88 | Socrates | Historical | 135–165 | Achievement-based estimate (historiometric) |
| 89 |  Carl Jung | Scientists | 140–160 | Achievement and academic record |
| 90 |  Sigmund Freud | Writers | 140–160 | Achievement and academic record |
| 91 |  Brian May | Musicians | 140–155 | Academic record (completed doctorate) |
| 92 | Dolph Lundgren | Actors | 140–155 | Achievement and academic record |
| 93 |  Neil deGrasse Tyson | Scientists | 140–155 | Academic record (completed doctorate) |
| 94 |  Mayim Bialik | Actors | 140–155 | Academic record (completed doctorate) |
| 95 |  Oscar Wilde | Writers | 140–155 | Achievement and academic record |
| 96 |  Hikaru Nakamura | Athletes | 140–155 | Domain performance (published Elo rating) |
| 97 |  Bill Clinton | Politics | 136–159 | Achievement-based estimate (historiometric) |
| 98 |  Vitalik Buterin | Business & Tech | 140–155 | Achievement and academic record |
| 99 | Viswanathan Anand | Athletes | 140–155 | Domain performance (published Elo rating) |
| 100 | Charlie Munger | Business & Tech | 140–155 | Achievement and academic record |
| 101 | Frédéric Chopin | Musicians | 140–155 | Achievement-based estimate (historiometric) |
| 102 | Mikhail Tal | Athletes | 140–155 | Domain performance (published Elo rating) |
| 103 |  Angela Merkel | Politics | 138–155 | Academic record (completed doctorate) |
| 104 | Elon Musk | Business & Tech | 140–150 | Achievement-based estimate (historiometric) |
| 105 | Garry Kasparov | Athletes | 135–155 | Domain performance (published Elo rating) |
| 106 |  Judit Polgár | Athletes | 135–155 | Domain performance (published Elo rating) |
| 107 | Julius Caesar | Historical | 135–155 | Achievement-based estimate (historiometric) |
| 108 |  Alexander the Great | Historical | 135–155 | Achievement-based estimate (historiometric) |
| 109 |  Katherine Johnson | Scientists | 135–155 | Achievement and academic record |
| 110 |  Sam Altman | Business & Tech | 138–150 | Achievement and academic record |
| 111 | James Woods | Actors | 135–150 | Test-anchored estimate (SAT-derived) |
| 112 |  Art Garfunkel | Musicians | 135–150 | Achievement and academic record |
| 113 |  Bill Bradley | Athletes | 135–150 | Achievement and academic record |
| 114 |  Margaret Thatcher | Politics | 135–150 | Achievement and academic record |
| 115 |  George Orwell | Writers | 135–150 | Achievement-based estimate (historiometric) |
| 116 |  Henry Kissinger | Politics | 135–150 | Achievement and academic record |
| 117 |  Conan O’Brien | Actors | 135–150 | Achievement and academic record |
| 118 | Gukesh Dommaraju | Athletes | 135–150 | Domain performance (published Elo rating) |
| 119 |  Peter Thiel | Business & Tech | 135–150 | Achievement and academic record |
| 120 |  Sundar Pichai | Business & Tech | 135–150 | Achievement and academic record |
| 121 |  Natalie Portman | Actors | 135–145 | Achievement and academic record |
| 122 |  Mark Zuckerberg | Business & Tech | 135–145 | Achievement and academic record |
| 123 |  Genghis Khan | Historical | 130–150 | Achievement-based estimate (historiometric) |
| 124 | Jimmy Carter | Politics | 130–148 | Achievement and academic record |
| 125 |  John Legend | Musicians | 132–145 | Achievement and academic record |
| 126 | Richard Feynman | Scientists | 125–150 | Test-anchored estimate (school record) |
| 127 |  Barack Obama | Politics | 130–145 | Achievement and academic record |
| 128 |  Sharon Stone | Actors | 130–145 | Achievement and academic record |
| 129 |  Geena Davis | Actors | 130–145 | Test-anchored estimate (Mensa qualification) |
| 130 |  Alicia Keys | Musicians | 130–145 | Achievement and academic record |
| 131 |  Jodie Foster | Actors | 130–145 | Achievement and academic record |
| 132 |  Dexter Holland | Musicians | 130–145 | Academic record (completed doctorate) |
| 133 |  Franz Kafka | Writers | 130–145 | Academic record (completed doctorate) |
| 134 |  Palmer Luckey | Business & Tech | 130–145 | Achievement-based estimate (historiometric) |
| 135 | Hillary Clinton | Politics | 130–145 | Achievement and academic record |
| 136 | Yuval Noah Harari | Writers | 130–145 | Academic record (completed doctorate) |
| 137 | Mark Rober | Scientists | 130–145 | Achievement and academic record |
| 138 | Christopher Nolan | Actors | 130–145 | Achievement and academic record |
| 139 | Quentin Tarantino | Actors | 130–145 | Achievement and academic record |
| 140 | Beyoncé | Musicians | 130–145 | Achievement and academic record |
| 141 |  Kim Namjoon | Musicians | 130–145 | Achievement and academic record |
| 142 |  Sam Harris | Writers | 130–145 | Academic record (completed doctorate) |
| 143 |  Stephen Fry | Actors | 130–145 | Achievement and academic record |
| 144 |  Ben Shapiro | Writers | 130–145 | Achievement and academic record |
| 145 |  Ernest Hemingway | Writers | 128–145 | Achievement-based estimate (historiometric) |
| 146 |  Napoleon | Historical | 130–140 | Historiometric estimate (Cox 1926 method) |
| 147 | George Washington | Politics | 125–145 | Historiometric estimate (Cox 1926 method) |
| 148 |  Mahatma Gandhi | Historical | 125–145 | Achievement-based estimate (historiometric) |
| 149 |  Stephen King | Writers | 125–145 | Achievement and academic record |
| 150 |  Martin Luther King Jr. | Historical | 125–145 | Achievement and academic record |
| 151 |  Walt Disney | Business & Tech | 125–145 | Achievement-based estimate (historiometric) |
| 152 |  Helen Keller | Historical | 125–145 | Achievement and academic record |
| 153 | Shakira | Musicians | 125–140 | Achievement and academic record |
| 154 |  Benedict Cumberbatch | Actors | 125–140 | Achievement and academic record |
| 155 |  Charles Darwin | Historical | 125–140 | Historiometric estimate (Cox 1926 method) |
| 156 |  Brian Cox | Scientists | 125–140 | Academic record (completed doctorate) |
| 157 |  Rowan Atkinson | Actors | 125–140 | Achievement and academic record |
| 158 |  Jordan Peterson | Scientists | 125–140 | Achievement and academic record |
| 159 | Lisa Kudrow | Actors | 125–140 | Achievement and academic record |
| 160 | Boris Johnson | Politics | 125–140 | Achievement and academic record |
| 161 |  Emma Watson | Actors | 125–140 | Achievement and academic record |
| 162 |  Benjamin Netanyahu | Politics | 125–140 | Achievement and academic record |
| 163 |  Robert F. Kennedy Jr. | Politics | 125–140 | Achievement and academic record |
| 164 |  Eminem | Musicians | 120–140 | Achievement and academic record |
| 165 |  Taylor Swift | Musicians | 120–135 | Achievement and academic record |
| 166 |  Marilyn Monroe | Actors | 120–135 | Achievement and academic record |
| 167 |  Arnold Schwarzenegger | Actors | 120–135 | Achievement and academic record |
| 168 |  Matt Damon | Actors | 120–135 | Achievement and academic record |
| 169 |  Lady Gaga | Musicians | 120–135 | Achievement-based estimate (historiometric) |
| 170 |  JD Vance | Politics | 120–135 | Achievement and academic record |
| 171 | Jim Parsons | Actors | 120–135 | Achievement and academic record |
| 172 | Bill Nye | Scientists | 120–135 | Achievement and academic record |
| 173 |  Billie Eilish | Musicians | 120–135 | Achievement-based estimate (historiometric) |
| 174 |  Sylvester Stallone | Actors | 120–135 | Achievement and academic record |
| 175 |  Kamala Harris | Politics | 120–135 | Achievement and academic record |
| 176 | John F. Kennedy | Politics | 119–135 | Test-anchored estimate (school record) |
| 177 |  will.i.am | Musicians | 115–135 | Achievement and academic record |
| 178 |  Michael Jordan | Athletes | 115–135 | Achievement and academic record |
| 179 |  Volodymyr Zelensky | Politics | 115–135 | Achievement and academic record |
| 180 |  Bad Bunny | Musicians | 115–135 | Achievement and academic record |
| 181 |  Donald Trump | Politics | 115–130 | Achievement and academic record |
| 182 |  Kanye West | Musicians | 115–130 | Achievement and academic record |
| 183 |  Vladimir Putin | Politics | 115–130 | Achievement and academic record |
| 184 |  Ashton Kutcher | Actors | 115–130 | Achievement and academic record |
| 185 | MrBeast | Business & Tech | 115–130 | Achievement-based estimate (historiometric) |
| 186 | Drake | Musicians | 115–130 | Achievement and academic record |
| 187 | Snoop Dogg | Musicians | 115–130 | Achievement and academic record |
| 188 |  Aaron Rodgers | Athletes | 115–130 | Test-anchored estimate (Wonderlic-derived) |
| 189 |  Joe Rogan | Actors | 115–130 | Achievement and academic record |
| 190 |  Ariana Grande | Musicians | 115–130 | Achievement-based estimate (historiometric) |
| 191 |  Justin Bieber | Musicians | 115–130 | Achievement and academic record |
| 192 |  George W. Bush | Politics | 110–130 | Achievement-based estimate (historiometric) |
| 193 |  Michael Jackson | Musicians | 110–130 | Achievement-based estimate (historiometric) |
| 194 |  Tom Brady | Athletes | 110–125 | Test-anchored estimate (Wonderlic-derived) |
| 195 |  Shaquille O’Neal | Athletes | 110–125 | Achievement and academic record |
| 196 |  Tom Holland | Actors | 105–130 | Achievement and academic record |
| 197 |  Jack Ma | Business & Tech | 108–122 | Achievement-based estimate (historiometric) |
| 198 |  Richard Branson | Business & Tech | 105–125 | Achievement and academic record |
| 199 |  Kim Kardashian | Business & Tech | 105–125 | Achievement and academic record |
| 200 |  John Lennon | Musicians | 108–120 | Test-anchored estimate (school record) |
| 201 |  LeBron James | Athletes | 105–120 | Domain performance (expert recall) |
| 202 |  Kim Jong Un | Politics | 105–120 | Achievement and academic record |
| 203 |  Naruto Uzumaki | Fictional | 100–125 | Character analysis (fiction) |
| 204 |  Cristiano Ronaldo | Athletes | 100–115 | Domain performance (laboratory perceptual testing) |
| 205 |  Lionel Messi | Athletes | 100–115 | Domain performance (published research on executive function) |
| 206 |  Joe Biden | Politics | 100–115 | Achievement and academic record |
| 207 | Neymar | Athletes | 100–115 | Achievement-based estimate (historiometric) |
| 208 |  Virat Kohli | Athletes | 100–115 | Achievement and academic record |
| 209 |  Patrick Mahomes | Athletes | 93–108 | Test-anchored estimate (Wonderlic-derived) |
| 210 |  Mike Tyson | Athletes | 90–109 | Clinical evaluation (qualitative range, no score released) |
| 211 |  Travis Kelce | Athletes | 89–104 | Test-anchored estimate (Wonderlic-derived) |
| 212 |  Muhammad Ali | Athletes | 80–100 | Test-anchored estimate (school record) |
This table re-sorts itself as profiles are added. Ranking a set of estimates is a convenience, not a claim that any two can be meaningfully separated.
How we read a number
Every figure gets the same treatment: we find where it came from, say how strong the trail is, and let you judge it.
Find itTrace the origin
Where did this number first appear, who published it, and in what year?
Weigh itCheck the trail
Does it lead to a documented assessment, a public statement, or only to other websites?
Show itPublish the workings
Sources listed, dates given, and the figure shown as what it is — a claim with a history.
Frequently asked
Why do celebrity IQ scores vary between websites?
Because most of them were never measured. A figure gets published once, other sites copy it, and the repetition starts to look like corroboration. Steve Jobs is the clearest case on this site — two different numbers circulate for one man, neither sourced. When two sites disagree it usually means both are quoting different unsourced originals; how we read a number sets out what we do instead.
Has any famous person actually taken an IQ test?
Some have discussed results publicly, and where that is on the record we say so and link to it. Magnus Carlsen is the closest this site comes to a measured case, while Brian May’s doctorate is documented achievement rather than a score. A documented, administered result that can be pointed to is much rarer than the internet suggests — which is why taking the test yourself gives you something none of these profiles can.
How can a historical figure have an IQ score?
Not from a test. Retrospective estimates exist in the academic literature, inferred from documented achievement — most famously Catharine Cox’s 1926 study. Isaac Newton is the worked example, and you can browse the rest under historical figures. Where we use one, we name the method and its author.
How accurate are celebrity IQ estimates?
Far less accurate than a test. Historiometric methods carry wide error margins and can only see what the record preserved. Treat every range on this site as an inference about a documented record, not a measurement of a person. If you want a number that means something, measure your own rather than compare yourself to an estimate — how ours is scored and normed is set out in full.
Who has the highest IQ on this site?
Our ranking is ordered on the midpoint of each estimate, and it re-sorts itself as profiles are added. Ordering estimates is a convenience — it is not a claim that any two of them can be meaningfully separated. Browse by field instead from the categories if you want like-for-like.
What is a good IQ score?
On the standard scale the mean is 100 and about two-thirds of people fall between 85 and 115. Scores above 130 are roughly the top 2%, which is the threshold most high-IQ societies use. Average IQ by country shows how that same scale looks across populations, and the assessment places you on it with a percentile.
How do I find out my own IQ score?
Take the IQ Metrics assessment — 30 questions, scored against general-population benchmarks and placed on the standard scale with a percentile, an ability breakdown and an optional IIF certificate. How we score and norm it explains the benchmarking, our general FAQ covers timing, retakes and results, and about IQ Metrics covers who runs it. Once you have your number, come back to the leaderboard to see where it would sit.
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