What Does an IQ of 91 Mean?

An IQ of 91 is in the “Average” range, where half of all people score. About 27.4% of people score lower and 72.6% score higher.

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Where an IQ of 91 sits on the bell curve (average 100, standard deviation 15)

IQ 91 in numbers

Classification
Average
Scores lower than 91
27.4%
How rare
1 in 4 people score this low or lower
Distance from average
-0.6 standard deviations
Mensa level (top 2%)
No, Mensa usually needs about 130+

What the “Average” range means

Scores from 90 to 109 are average, the range where half of all people fall. An average IQ is no limit: effort, interests and experience matter far more for most goals.

How does IQ 91 compare?

IQScores lowerClassification
8110.3%Low average
8617.5%Low average
9127.4%Average
9639.5%Average
10152.7%Average

Frequently asked questions

Is an IQ of 91 good?

An IQ of 91 is average, which is completely normal. Half of all people score between 90 and 109.

What percentile is an IQ of 91?

An IQ of 91 is higher than about 27.4% of the population, and about 72.6% of people score higher.

How rare is an IQ of 91?

Very common: it’s within the average range, where half of all people score.