Is an IQ of 167 Good? What It Means & Where You Stand

What Does an IQ of 167 Mean?

An IQ of 167 is at the 99.999th percentile — roughly 1 in 80,000 people reach this level. This is a height of cognitive ability so extreme that the numerical score conveys almost no useful information about the actual nature of thinking at this level. At 167, an individual is among the most cognitively extreme people alive anywhere on Earth at any given time. Standard test ceilings are far below this point, and even high-range instruments provide only rough approximations.

An IQ of 167 places you at the 99.999th percentile, which means you scored higher than approximately 99.999% of the general population on a standardized intelligence test. This score falls into the Exceptionally Advanced range on the IQ scale. With a rarity of 1 in 80,000, this score is uncommon and indicates strong cognitive abilities.

To understand how IQ scores are calculated and what they measure, see our complete guide on what IQ is and how it works. For a full breakdown of all score ranges and their meanings, visit our IQ score ranges page.

How Precise Is a Score of 167?

Less precise than a single number suggests. Professionally administered IQ tests carry a standard error of measurement of roughly 3–5 points, which means a measured score of 167is best read as a range of about 162 to 172 — and scores from short online tests vary even more. Test-retest studies show the same person's score can shift by several points between sessions due to sleep, stress, motivation, practice effects, and simple chance. Different tests (WAIS, Stanford-Binet, Raven's) can also yield somewhat different numbers for the same person. Treat any single figure — including this one — as an estimate with a margin of error, not a fixed property. Our methodology page explains how our own estimate is calculated.

What an IQ of 167 Does Not Establish

An IQ score summarizes performance on abstract reasoning tasks at one point in time. It is not a medical or psychological diagnosis, and a score of 167 on its own does not determine your career ceiling, academic future, creativity, emotional intelligence, judgment, or character. Research links IQ to average outcomes across large groups, but individual outcomes vary enormously at every score level. If you need a clinically valid assessment — for educational placement, a disability evaluation, or gifted-program admission — only a licensed psychologist can provide one. See our disclaimer for the full limitations.

Career Context for an IQ of 167

Individuals at this level are among the rarest intellectual achievers in history. They typically make contributions that reshape the intellectual landscape — founding new disciplines, solving problems thought to be beyond reach, and producing work that takes generations to fully appreciate.

A note on career framing: occupational IQ averages describe broad group tendencies from research samples — they are not entry requirements, and employers do not screen candidates by IQ. Interest, training, persistence, and opportunity shape careers far more than a test score.

Cognitive Profile at IQ 167

At IQ 167 the individual's cognitive machinery operates at a level that produces what might be called 'inevitable' contributions — work that, in retrospect, seems as though it had to be done by someone with this exact cognitive profile, because no one with lesser cognitive resources had done it despite sustained effort. The historical record suggests that a small number of individuals at this cognitive tier have redirected the course of entire intellectual traditions. Internally, thinking at this level is reported to involve a sense of cognitive spaciousness — complex problems feel less like walls to climb than like large rooms to explore.

What Research Says About IQ 167

Historical and biographical research on intellectual giants assigned estimated IQs in the 160-175 range (Einstein, Descartes, Leibniz) is methodologically fraught. Biographical IQ estimation relies on documented behaviors and achievements mapped onto contemporary psychometric models — a process with enormous error bars. Researchers caution that these figures' achievements resulted from cognitive capacity combined with historical position, specific domain availability, social networks, and extraordinary persistence. Cognitive capacity alone, however extraordinary, does not explain their impact.

Day-to-Day Life with an IQ of 167

A mathematician at IQ 167 proves a result so fundamental that it is included in the first-year curriculum of graduate mathematics programs within a decade of publication — a proof of such clarity and depth that it serves simultaneously as a theorem, a tutorial, and a philosophical statement about the nature of mathematical objects. A neuroscientist provides the first rigorous mechanistic theory of working memory that integrates electrophysiology, anatomy, and computational principles, altering research strategy across the discipline. A poet produces a cycle that is studied in mathematics, philosophy, and literature departments simultaneously.

How Does an IQ of 167 Compare?

Here's how a score of 167 compares to nearby IQ scores:

Famous People with an IQ Around 167

The following well-known figures have estimated IQ scores close to 167:

• Alan Turing — Father of computer science, WWII codebreaker, artificial intelligence (estimated IQ: 170)
• Ludwig van Beethoven — Nine symphonies, Moonlight Sonata, composed deaf (estimated IQ: 165)
• Demis Hassabis — Co-founder of DeepMind, AlphaFold, chess prodigy, neuroscientist (estimated IQ: 168)
• Marilyn Monroe — Actress, cultural icon, Hollywood legend (estimated IQ: 163 (apocryphal))
• Ada Lovelace — World's first computer programmer, mathematician (estimated IQ: 155–170)

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