Is an IQ of 147 Good? What It Means & Where You Stand

What Does an IQ of 147 Mean?

An IQ of 147 is profoundly gifted at the 99.9th percentile. Only about 1 in 900 people score this high. At this level, you are well beyond what standard IQ tests can reliably measure — specialized high-range tests are more appropriate. The cognitive distance between you and the average person is the same as the distance between the average person and someone with very low cognitive ability.

An IQ of 147 places you at the 99.9th percentile, which means you scored higher than approximately 99.9% of the general population on a standardized intelligence test. This score falls into the Very Gifted range on the IQ scale. With a rarity of 1 in 900, 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 147?

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 147is best read as a range of about 142 to 152 — 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 147 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 147 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 147

People at 147 often make original contributions to their fields. Many become leading researchers, inventors, or thought leaders. Finding intellectual peers and adequately challenging work is often the primary concern.

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 147

At IQ 147 the individual's cognitive profile is marked by exceptional integration of verbal, spatial, and logical reasoning into a seamless problem-solving engine. Verbal reasoning is particularly sharp — arguments are evaluated for their logical structure almost automatically, and rhetorical manipulation is detected quickly. Long-term memory is highly chunked and hierarchical, allowing rapid retrieval through multiple associative pathways. These individuals often feel most intellectually alive when problems are poorly defined, since they have unusual tolerance for ambiguity and skill at generating structuring frameworks from scratch.

What Research Says About IQ 147

Terman's landmark longitudinal study, while methodologically dated, first established that very high IQ individuals show elevated rates of professional achievement and health outcomes. Subsequent cohort studies with better sampling (e.g., SMPY) confirm elevated rates of publication, patent generation, and leadership at scores above 145. Importantly, researchers find that the gap between IQ 130 and IQ 145+ is as meaningful as the gap between 100 and 130.

Day-to-Day Life with an IQ of 147

An investment manager at IQ 147 models a macroeconomic crisis scenario that crystallizes a geopolitical, monetary, and supply-chain confluence her risk committee had treated as uncorrelated tail events — three months before the crisis materializes. A developmental biologist identifies a missing regulatory mechanism in cell differentiation by reading papers from four different subfields on the same weekend. A poet generates prosodic structures that obey novel mathematical constraints while remaining emotionally immediate.

How Does an IQ of 147 Compare?

Here's how a score of 147 compares to nearby IQ scores:

Famous People with an IQ Around 147

The following well-known figures have estimated IQ scores close to 147:

• Jeffrey Epstein — Financier, convicted sex offender, MIT/Harvard donor (estimated IQ: 135–150)
• Noam Chomsky — Linguist, cognitive scientist, political philosopher, universal grammar (estimated IQ: 150)
• Richard Dawkins — Evolutionary biologist, The Selfish Gene, atheism advocate (estimated IQ: 145)
• Jordan Peterson — Psychologist, author, 12 Rules for Life, cultural commentator (estimated IQ: 145–150)
• Sam Harris — Neuroscientist, philosopher, author, atheism and consciousness (estimated IQ: 143)

Careers That Suit an IQ of 147

People with an IQ around 147 are well-suited for the following career paths:

• Astronaut — average IQ range: 130–145
• Mathematician — average IQ range: 130–145

See the full IQ by career chart for all professions.

Explore Other IQ Scores

Take our free IQ test to find out where you stand, or learn more about what IQ really measures.