— IQ score explained

IQ of 134 — meaning, percentile & profile

IQ Score

134

Percentile

99th

Classification

Gifted

SD from mean

+2.27

An IQ of 134 is in the gifted range — smarter than 99% of the adult population, and rarer than about 1 in 100 people.

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What does IQ 134 mean in practice?

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An IQ of 134 means your raw performance on a standardised IQ test places you at the 99th percentile of the general adult population — higher than 99% of people. People at this level typically find abstract reasoning, pattern-matching, and learning new skills comes naturally.

IQ 134 and the normal distribution

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IQ is defined with a mean of 100 and a standard deviation of 15. An IQ of 134 is 2.27 standard deviations above the mean. The normal distribution tells us that:

About 68% of people score between 85 and 115
About 95% of people score between 70 and 130
About 99.7% of people score between 55 and 145
An IQ of 134 is higher than 99% of the adult population

What's your actual IQ?

Take a 20-minute calibrated test with IRT 3PL scoring — the same statistical framework used by clinical IQ tests.

IQ 134 and career outcomes

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An IQ of 134 is high enough to pursue any professional career. Research scientists, physicians, and academic lawyers average IQs of 125-132. At this level, the main differentiators are conscientiousness, motivation, and specific domain knowledge — not cognitive ceiling.

Comparing IQ 134 to common benchmarks

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Score	Percentile	Classification
IQ 120	91th	Superior intelligence
IQ 122	93th	Superior intelligence
IQ 125	95th	Superior intelligence
IQ 127	96th	Superior intelligence
IQ 130	98th	Gifted

How to accurately measure your IQ

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A reliable IQ test uses Item Response Theory (IRT) scoring, which adapts the scoring based on item difficulty parameters rather than simply counting correct answers. Core Brain uses IRT 3PL (three-parameter logistic) scoring — the same statistical framework used by the WAIS and Stanford-Binet — and returns your score with a 95% confidence interval so you know the measurement uncertainty.

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