Is an IQ of 149 Good? What It Means & Where You Stand

What Does an IQ of 149 Mean?

An IQ of 149 is profoundly gifted, one point below the 150 threshold that marks 'exceptionally advanced.' At the 99.95th percentile, only about 1 in 1,200 people score this high. Standard IQ tests lose precision at this level.

An IQ of 149 places you at the 99.95th percentile, which means you scored higher than approximately 99.95% 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 1,200, 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.

Career Context for an IQ of 149

People at 149 operate at the absolute forefront of their fields. The challenge is finding adequately stimulating work rather than being capable of it.

Cognitive Profile at IQ 149

At IQ 149 — the upper bound of the 'highly gifted' range — cognitive capacity is at a level where intellectual production can genuinely influence fields rather than merely contributing to them. Mental models are constructed rapidly and revised efficiently when new evidence contradicts them — cognitive flexibility rivals the raw power of initial reasoning. These individuals typically display a distinctive ability to find the single question whose answer would most rapidly resolve an entire problem, a form of epistemic efficiency that saves enormous time and intellectual energy. Self-directed learning is extraordinarily rapid across virtually any domain.

What Research Says About IQ 149

SMPY four-decade follow-up data show that by age 50, individuals who scored in the top 0.01% at age 13 had published an average of 11 peer-reviewed papers, held four patents, and earned median incomes significantly above the 95th percentile. These outcomes reflect both cognitive capacity and the motivational and environmental factors it enables. At IQ 149, the individual sits near the upper end of what most standard adult IQ tests can reliably distinguish.

Day-to-Day Life with an IQ of 149

A computer scientist at IQ 149 discovers a fundamentally new approach to approximate computation that reduces the complexity class of several canonical problems — a result that generates citations across algorithms, cryptography, and machine learning simultaneously. A diplomat engineers a multilateral agreement by identifying the single formulation that satisfies the domestic political constraints of five different governments simultaneously. A composer produces a score that functions as formal music, as a self-referential logical puzzle, and as political satire simultaneously.

How Does an IQ of 149 Compare?

Here's how a score of 149 compares to nearby IQ scores:

Famous People with an IQ Around 149

The following well-known figures have estimated IQ scores close to 149:

• Thomas Jefferson — US Founding Father, Declaration of Independence author, third President (estimated IQ: 145–160)
• Sharon Stone — Actress, Mensa member, Basic Instinct, Oscar-nominated performer (estimated IQ: 154)
• Stephen Fry — Author, actor, QI host, Cambridge graduate, mental health advocate (estimated IQ: 145)
• John Cleese — Monty Python, Fawlty Towers, Cambridge law student, comedy writer (estimated IQ: 148)
• John Oliver — Last Week Tonight host, Cambridge graduate, political satirist (estimated IQ: 145)

Careers That Suit an IQ of 149

People with an IQ around 149 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.