What does an IQ of 140 mean?
An IQ of 140 is higher than about 99.6% of people. Roughly 1 in 237 people score 140 or above.
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Where 140 sits on the bell curve
IQ scores follow a bell curve with an average of 100 and a standard deviation of 15. The shaded area shows the 99.6% of people who score below 140.
What the "Extremely high" range means
Scores of 130 and above are in the top 2% of the population, the range often described as "gifted". It is also roughly the entry threshold used by high-IQ societies such as Mensa.
In a room of 100 people, about 0 would score 140 or higher (fewer than one).
Careers that often suit an IQ around 140
Based on how complex each job is. Your strongest reasoning area (abstract, numerical or verbal) changes the picture a lot, and the full test report matches careers to your own strengths.
How exact is a single score?
No test measures IQ to the exact point. A score of 140 on a short test is best read as a range of roughly 135 to 145. That's why the report on this site gives a confidence band as well as a score.
Nearby scores
| IQ | Higher than | Range |
|---|---|---|
| 134 | 99% | Extremely high |
| 136 | 99.1% | Extremely high |
| 138 | 99.4% | Extremely high |
| 142 | 99.7% | Extremely high |
| 144 | 99.8% | Extremely high |
Questions people ask
Is 140 a good IQ score?
Yes. An IQ of 140 is above average, higher than about 99.6% of people.
What percentile is an IQ of 140?
An IQ of 140 is at about the 99.6th percentile: it is higher than roughly 99.6% of the population.
How rare is an IQ of 140?
About 1 in 237 people score 140 or higher.
Can my IQ score change?
Scores on any single test vary by a few points from day to day because of sleep, focus and familiarity with the question types. Underlying reasoning ability is fairly stable in adults, but a single result should always be read as a range rather than an exact number.
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