Who has the highest IQ in the world? Top 25 people with highest IQ ever

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While Intelligence Quotient (IQ) is not the sole measure of intelligence, it does provide a benchmark for understanding exceptional cognitive abilities. People with the highest IQs in the world are regarded as individuals whose minds crack codes, unlock scientific breakthroughs, and push the boundaries of human understanding.

William Shakespeare (L), Marilyn vos Savant (C) and Thomas Wolsey (R)

To compile the list of individuals with the highest IQs worldwide, we drew data from various reputable sources, including Reader's Digest, WFLA, and BBC Science Focus Magazine. Many of these individuals are celebrated as top scientists, known for their ability to analyse complex situations and devise innovative solutions quickly.

25 people with the highest IQs ever

Have you ever wondered who the most intelligent person on Earth might be? Below is a list of some of the world's most brilliant minds with the highest IQ scores recorded in history.

No	Name	IQ score
1	YoungHoon Kim	276
2	Marnen Laibow-Koser	268
3	Ainan Cawley	263
4	William Sidis	250–300
5	Terence Tao	230
6	Marilyn vos Savant	228
7	Christopher Hirata	225
8	Kim Ung-Yong	210
9	William Shakespeare	210
10	Nathan Leopold	210
11	Edith Stern	200+
12	Michael Grost	200+
13	Sho Yano	200
14	Michael Kearney	200–325
15	Thomas Wolsey	200
16	Evangelos Katsioulis	198–205
17	Christopher Michael Langan	195
18	Garry Kasparov	194
19	Rick Rosner	192–198
20	James Clerk Maxwell	190–205
21	Voltaire	190–200
22	Isaac Newton	190–200
23	Srinivasa Ramanujan	185
24	Adragon De Mello	185
25	Leonardo da Vinci	180–220

1. YoungHoon Kim

Full name: YoungHoon Kim
Date of birth: 7 February 1992
IQ score: 276
Nationality: South Korean

YoungHoon Kim is a South Korean intellectual with the highest recorded IQ score of 276. He has the official world record certificate for being the world's highest IQ. YoungHoon Kim is the Founder & President of the United Sigma Intelligence Association (USIA).

2. Marnen Laibow-Koser

Full name: Marnen Laibow-Koser
Date of birth: 1982
IQ score: 268
Nationality: Egyptian

Marnen Laibow-Koser, who scored an extraordinary 268 on a childhood IQ test, displayed remarkable talent from an early age. He began studying, playing, and composing music at 3 years old. Today, Marnen Laibow-Koser is a composer, a web application developer, and a graduate of the New England Conservatory.

3. Ainan Cawley

Ainan Cawley while still young (L and as a teenager (R)

Full name: Ainan Celeste Cawley
Date of birth: 23 November 1999
IQ score: 263
Nationality: Singaporean

With an IQ of 263, Ainan Cawley displayed exceptional intellectual abilities from a young age. By nine, he could recite pi to 518 decimal places. At six, he delivered a science lecture on acids and alkaloids, and by seven, he had passed the O Level Chemistry exam designed for 16-year-olds.

4. William Sidis

Full name: William James Sidis
Date of birth: 1 April 1898
IQ score: 250–300
Nationality: American

William James Sidis was an American mathematical prodigy who joined Harvard University at age 11 and displayed remarkable talent in numerous fields, including mathematics, history, and languages. He also authored books under various pseudonyms, such as The Animate and the Inanimate and was known to be conversant in about 25 languages and dialects.

5. Terence Tao

UCLA Mathematician Terence (cq) Tao in his home in Los Angeles

Full name: Terence Tao
Date of birth: 17 July 1975
IQ score: 230
Nationality: Australian

Terence Tao is a professor at the University of California, Los Angeles (UCLA). He holds the James and Carol Collins Chair in the College of Letters and Sciences. Tao is renowned for his work in partial differential equations, combinatorics, harmonic analysis, and additive number theory.

6. Marilyn vos Savant

Full name: Marilyn vos Savant
Date of birth: 11 August 1946
IQ score: 228
Nationality: American

Marilyn vos Savant is an American magazine columnist, author, and lecturer. Between 1986 and 1989, she held the title of the person with the highest recorded IQ in the world. Since 1986, she has written the popular Ask Marilyn column for Parade magazine, where she answers readers' questions on various topics.

7. Christopher Hirata

Dr. Christopher Hirataposes for a picture in Mountain View, Calif

Full name: Christopher Michael Hirata
Date of birth: 30 November 1982
IQ score: 225
Nationality: Japanese-American

Christopher Hirata is a Japanese-American cosmologist and astrophysicist. He gained recognition at a young age by winning a gold medal at the International Physics Olympiad at just 13 years old. Hirata's research focuses on cosmology and astrophysics.

8. Kim Ung-Yong

Full name: Kim Ung-Yong
Date of birth: March 8 1962
IQ score: 210
Nationality: South Korean

Kim Ung-Yong is a civil engineer and former child prodigy who gained international fame for his extraordinary intellectual abilities. By age three, he could solve calculus problems; by age five, he was solving complex differential equations on Japanese television. He was invited to work at NASA at eight, making him one of the youngest workers.

9. William Shakespeare

Full name: William Shakespeare
Date of birth: 23 April 1564
IQ score: 210
Nationality: English

William Shakespeare is celebrated as the greatest English-speaking writer and playwright in history. With an estimated IQ of 210, his timeless works—such as Romeo and Juliet, Macbeth, and A Midsummer Night's Dream—continue to be read, performed, and studied worldwide.

10. Nathan Leopold

Full name: Nathan Leopold Jr.
Date of birth: 1900s
IQ score: 210
Nationality: American

Nathan Leopold was born in Chicago in the early 1900s. He had an IQ of 210 and spoke for the first time at the age of four months. In 1924, he eliminated a 14-year-old kid with his companion, Richard Loeb, in an attempt to accomplish "the perfect crime."

11. Edith Stern

Edith Helen Stern illustrating on the board

Full name: Edith Helen Stern
Date of birth: 1952
IQ score: 200+
Nationality: American

Edith Helen Stern is an American inventor and one of the best mathematicians. She is known for her remarkable intellectual achievements from a young age. At five, she read the Encyclopedia Britannica and graduated from Florida Atlantic University at fifteen.

12. Michael Grost

Full name: Michael Edward Grost
Date of birth: 1954
IQ score: 200+
Nationality: American

Michael Grost attended Michigan State University in 1964 at age ten. With an IQ of over 200, he received his doctorate in mathematics at age 23. In 2005, he worked as a system architect for a Detroit-based computer company.

13. Sho Yano

Sho Yano assists in the DNA repair lab of Dr. Doug Bishop

Full name: Sho Timothy Yano
Date of birth: 22 October 1990
IQ score: 200
Nationality: American

Sho Yano is an American physician and former child prodigy. He is renowned for his remarkable intellect, with an estimated IQ of 200. In 2009, at 18 years old, he earned a doctorate in molecular genetics and cell biology.

14. Michael Kearney

Full name: Michael Kevin Kearney
Date of birth: 18 January 1984
IQ score: 200–325
Nationality: American

In 1994, at just 10 years old, Michael Kearney earned a bachelor's degree in anthropology from the University of South Alabama. By age 14, he had completed a master's in chemistry at Middle Tennessee State University.

15. Thomas Wolsey

Cardinal Wolsey Going in Procession to Westminster Hall', 1887, (c1920).

Full name: Thomas Wolsey
Date of birth: March 1473
IQ score: 200
Nationality: English

Cardinal Thomas Wolsey was one of the last politically important clergymen in England. The cardinal was appointed Lord Chancellor and commanded England's foreign affairs. He supposedly had an IQ of 200. Wolsey was captured and charged with treason in 1530 and died en route to his trial.

16. Evangelos Katsioulis

Full name: Evangelos Katsioulis
Date of birth: 19 January 1976
IQ score: 198–205
Nationality: Greek

Evangelos Katsioulis is a Greek physician, psychiatrist, and psychotherapist with doctoral degrees in philosophy and information technology. He is the founder of the World Intelligence Network and is said to have an IQ of 198 to 205.

17. Christopher Michael Langan

Christopher Michael Langan poses for the camera

Full name: Christopher Michael Langan
Date of birth: 25 March 1952
IQ score: 195
Nationality: American

Christopher is an American horse rancher and former bar bouncer who excelled on an IQ exam and gained admission to a high-IQ society. He began speaking at six months old and learnt to read before turning four. Langan is most known for his cognitive theoretical model of the universe, which he created in the 1980s and is called "the CTMU."

18. Garry Kasparov

Garry Kasparov attends an event in New York

Full name: Garry Kimovich Kasparov
Date of birth: 13 April 1963
IQ score: 194
Nationality: Russian

Garry Kasparov is recognised as one of the top individuals with the highest IQ globally, boasting an estimated IQ of 194. He is a legendary chess grandmaster who held the title of World Chess Champion from 1985 to 2000. Notably, at 22, Kasparov became the youngest to claim the world chess championship.

19. Rick Rosner

Full name: Richard G. Rosner
Date of birth: 2 May 1960
IQ score: 192–198
Nationality: American

Richard G. Rosner is an American television writer and reality TV personality. He is well-known for his purported high intellect test results and unique professional background. He created and produced numerous quiz shows and Jimmy Kimmel-produced programs, including The Man Show, Crank Yankers, and Jimmy Kimmel Live!

20. James Clerk Maxwell

Full name: James Clerk Maxwell
Date of birth: 13 June 1831
IQ score: 190–205
Nationality: Scottish

James Clerk was a Scottish physicist and mathematician. He was responsible for the classical theory of electromagnetic radiation. Maxwell's equations for electromagnetism achieved the second great unification in physics. Maxwell was also key in the creation of statistical mechanics.

21. Voltaire

Full name: François-Marie Arouet
Date of birth: 21 November 1694
IQ score: 190–200
Nationality: French

François-Marie Arouet, better known as Voltaire, was estimated to have an IQ ranging between 190 and 200. Born in 1694, he became one of France's most celebrated writers and philosophers, renowned for his sharp wit, satirical works, and bold criticism of the nation's elite and nobility.

22. Isaac Newton

Sir Isaac Newton, English mathematician and physicist, c 1720.

Full name: Sir Isaac Newton
Date of birth: 4 January 1643
IQ score: 190–200
Nationality: English

Sir Isaac Newton, with an estimated IQ of 190 to 200, was a scientist and physicist far ahead of his time. He is renowned for his universal principles of gravity. Sir Isaac Newton was also a mathematician, astronomer, and writer.

23. Srinivasa Ramanujan

Full name: Srinivasa Ramanujan Aiyangar
Date of birth: 22 December 1887
IQ score: 185
Nationality: Indian

Srinivasa Ramanujan is regarded as one of the most influential mathematicians of the 20th century. He discovered his passion for mathematics at age 15 and, with an estimated IQ of 185, is celebrated for his contributions to number theory.

24. Adragon De Mello

Full name: Adragon De Mello
Date of birth: 8 October 1976
IQ score: 185
Nationality: American

Adragon De Mello made history as the youngest college graduate, earning a degree in computational mathematics at just 11 years old. He could read and write by age two and joined Mensa at 5. While his IQ was once reported as an extraordinary 400, more conservative estimates place it at around 185.

25. Leonardo da Vinci

Full name: Leonardo da Vinci
Date of birth: 15 April, 1452
IQ score: 180–220
Nationality: Italian

Leonardo da Vinci was an Italian polymath. He is regarded as one of the greatest artists, best known for masterpieces like the Mona Lisa and The Last Supper. Da Vinci was also an accomplished scientist, engineer, inventor, and anatomist, with notebooks filled with innovative ideas and detailed human body studies.

Who has the highest IQ now?

YoungHoon Kim, with a 276 IQ, is currently recognised as having the highest IQ in the world. The Korea Record Institute, World Genius Directory, Global Genius Registry, Esoteriq Society, and GIGA Society have verified his IQ.

What is Einstein's IQ?

Albert Einstein, a German-born theoretical physicist who developed the theory of relativity, is said to have had an IQ score of around 160.

Who are the famous world leaders with the highest IQ?

According to World Data 3D, some examples of the smartest leaders known for their high IQ include Tharman Shanmugaratnam, Fumio Kishida, Viola Amherd, Xi Jinping and Isaac Herzog.

These people with the highest IQ in the world stand out in the field of intelligence due to their remarkable cognitive ability. But, it is crucial to remember that IQ is only one component of a person's talents and does not represent all types of intelligence.

Legit.ng recently published a list of the richest authors in the world ranked by their net worth. These authors exemplify the power of storytelling and its ability to create lasting legacies.

Through their books, they have inspired millions by transcending cultural and linguistic barriers. Their massive fortunes highlight how creativity and business acumen lead to remarkable achievements. Read the article to know how wealthy they are.

Source: Legit.ng

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