What does an IQ of 128 mean?

An IQ of 128 is classified as Very high intelligence. It is higher than 97% of people — roughly 1 in 32.

Higher than 97%
How rare 1 in 32
From the average +1.87
Classification Very high intelligence

IQ scores follow a bell curve centred on 100, with a standard deviation of 15. About 68% of people score between 85 and 115, and about 95% between 70 and 130.

Nearby scores

125 126 127 129 130 131

Frequently asked questions

Is an IQ of 128 good?

An IQ of 128 falls in the "Very high intelligence" range and is higher than 97% of people. Any single test is an estimate, so treat it as a range rather than an exact figure.

What percentile is an IQ of 128?

An IQ of 128 sits at about the 97 percentile, which means roughly 1 in 32 people score at least this high.

Curious where you would land? Take the free 60-question test and find out.