IQ 135: meaning, percentile and rarity

An IQ of 135 sits in the well above average range on the standard scale (mean 100, standard deviation 15). 99.02% of the reference population scores below this level, and 0.98% scores above it.

Want your own score and percentile? Take the free 40-question test.

Take the IQ test
Percentile rank
99.02% of people score below IQ 135, and 0.98% score above it.
Rarity
About 1 in 100 people score IQ 135 or higher.
Distance from the mean
35 points above the mean of 100 — about 2.33 standard deviations.

What range does IQ 135 fall into?

An IQ of 135 sits in the well above average range.

This is the traditional gifted range: 130 is the 98th-percentile threshold that many gifted programs use as a cutoff, and clinical scales often label it very superior.

How rare is IQ 135?

About 1 in 100 people score IQ 135 or higher.

Frequently asked questions

Is an IQ of 135 a good score?
An IQ of 135 sits in the well above average range, with about 99.02% of a normal population scoring below it. Whether that counts as good depends on what the score is used for — and no single online result should be treated as a definitive measure of ability.
How rare is an IQ of 135?
In a normal distribution, about 1 in 100 people score IQ 135 or higher.
What percentile is an IQ of 135?
99.02% of the reference population scores below IQ 135. That is its percentile rank — a position on a scale from 0 to 100, not the share of questions answered correctly.

This page describes the theoretical normal distribution (mean 100, standard deviation 15) for educational purposes. It is not a clinical assessment or a diagnosis.