What does an IQ of 160 mean?
An IQ of 160 is four standard deviations above the average, reached by far fewer than 1 in 10,000 people. It is the score popularly tied to "genius".
At 160 you would be in roughly the top 0.003% of the population. This is at or beyond the reliable measuring ceiling of most standardised tests, because so few people score there that the scale loses precision.
Famous "160 IQ" figures are usually estimates, not verified test results. Real-world genius depends on creativity, persistence, and original output, none of which an IQ test measures directly.
What an IQ of 160 does not tell you
Treat any 160 from a quick online test with strong caution, free tests overstate extreme scores badly. Beyond a certain point, higher reasoning scores also stop predicting better life outcomes.
Common questions
Is an IQ of 160 genius level?
It is the score popularly linked to "genius," but psychologists rarely use that label. It is statistically extraordinary, yet genius is about output and creativity, not a number.
How rare is an IQ of 160?
Far fewer than 1 in 10,000 people (roughly the top 0.003%). It is near the upper limit of what most tests can reliably measure.
Can a free online test measure an IQ of 160?
Not reliably. Standardised tests lose accuracy at the extreme tail, and free online tests in particular tend to produce inflated very high scores.
Other IQ scores
Testrize provides a free, educational estimate of cognitive skills. It is not a clinical or diagnostic IQ test, and online scores should not be used for official purposes.