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Who Has the Highest IQ in the World?

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Discover the individuals with the highest IQ in the world in this informative article. Explore their achievements and contributions, shedding light on their extraordinary intelligence.


When it comes to intelligence, the question of “Who has the highest IQ in the world?” has intrigued people for generations. Intelligence is a multifaceted trait, and measuring it solely through an IQ test is debatable. However, certain individuals have garnered attention for their remarkable intelligence and have made significant contributions to various fields. In this article, we delve into the world of extraordinary intellect and explore the lives and accomplishments of individuals who are often considered to have the highest IQs.

The Pioneers

Who Has the Highest IQ in the World?

Some of the brightest minds in history:

William James Sidis

Born in 1898, William James Sidis is often cited as one of the most intelligent individuals in history. His IQ was estimated to be around 250-300, making him a child prodigy. Sidis was known for his exceptional mathematical abilities and linguistic talents, publishing several academic papers during his lifetime. Despite his astounding intelligence, Sidis chose to live a reclusive life, avoiding the spotlight.

Terence Tao

Terence Tao, born in 1975, is a contemporary mathematician with an extraordinary IQ. He is renowned for his work in number theory and partial differential equations. At the age of 24, he became the youngest full professor at UCLA. His contributions to mathematics have earned him numerous awards and accolades.

Marilyn vos Savant

Marilyn vos Savant, with an IQ of 228, holds the Guinness World Record for the highest IQ. She became widely known after her inclusion in the Guinness Book of World Records in 1985. Vos Savant is an author, playwright, and a columnist for Parade magazine.

Who Has the Highest IQ in the World?

These individuals represent the zenith of intellectual achievement, but it’s important to note that IQ scores are not the sole indicator of intelligence. Exceptional accomplishments in their respective fields have defined their legacy.

IQ vs. Intelligence

Demystifying IQ Scores

It’s crucial to understand that an IQ score is not the definitive measure of intelligence. Intelligence is a multifaceted trait encompassing various skills and abilities, including creativity, problem-solving, and emotional intelligence. IQ tests primarily focus on cognitive abilities and may not fully capture the depth of one’s intellect.

Extraordinary Achievements

Contributions to Society

The individuals we’ve discussed have made significant contributions to society:

William James Sidis

Although Sidis lived a private life, he made notable contributions to mathematics and language. His work in the development of a constructed international auxiliary language, “Vendergood,” was particularly impressive.

Terence Tao

Tao’s work in mathematics has deepened our understanding of number theory and partial differential equations. He has received numerous awards, including the Fields Medal, one of the most prestigious accolades in mathematics.

Marilyn vos Savant

Marilyn vos Savant has used her intelligence to connect with a wide audience through her writing and columns. Her approachable writing style and the ability to communicate complex ideas to the general public is commendable.

The Debate Continues

Who Truly Has the Highest IQ?

The question of who possesses the highest IQ remains a subject of debate. IQ tests can vary, and there’s often a lack of consensus on what constitutes a “high” IQ score. Moreover, other individuals with exceptional intellect may choose to remain out of the public eye, making it challenging to assess their IQ accurately.


  1. What is the highest IQ ever recorded?
    The highest IQ ever recorded belongs to Marilyn vos Savant, with an IQ of 228, according to the Guinness World Records.
  2. Are IQ scores a definitive measure of intelligence?
    No, IQ scores are not a definitive measure of intelligence. They primarily assess cognitive abilities, while intelligence encompasses a broader range of skills and capabilities.
  3. Are there individuals with higher IQs than those mentioned in this article?
    It’s possible, but the individuals discussed in this article are well-known for their exceptional IQ scores and contributions to their respective fields.
  4. Do IQ scores change over time?
    IQ scores can change slightly over time, but they tend to remain relatively stable for adults.
  5. Can intelligence be developed and improved over time?
    Yes, intelligence can be developed and improved through education, training, and cognitive exercises.

6. Is there a single, universally recognized test for measuring IQ?
No, there are various IQ tests, each with its own methodology and scoring system.


The question of “Who has the highest IQ in the world?” continues to captivate our curiosity. While IQ scores are interesting, they don’t define the entirety of human intelligence. The individuals mentioned in this article have certainly demonstrated exceptional cognitive abilities, but intelligence encompasses a wide range of skills and attributes. Ultimately, it’s the contributions and impact these individuals have made that truly define the extent of their intelligence.

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