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IQ Score Analysis

105
Average

63th percentile · Middle 50% worldwide

Position on the IQ scale70 — 145
7085100115130145
63th
Percentile
worldwide
Average
Classification
Middle 50%
37%
Score higher
than you

What does an IQ of 105 mean?

An IQ score of 105 is right at or slightly above the population average of 100. You are at the 63th percentile — meaning roughly half of all people score at or below this level. This places you squarely in the Average range, which encompasses the largest segment of the population.

Scores around 105 reflect solid everyday reasoning ability. You can handle most tasks that require logical thinking, follow complex instructions reliably, and learn new material at a comfortable pace. This is the range where most people operate successfully across a wide variety of life and professional contexts.

Population context

The average IQ is defined as 100, with a standard deviation of 15. A score of 105 is within one standard deviation of the mean and is typical of the general population. The vast majority of careers and educational paths are fully accessible at this level.

Trade professionsSalesAdministrationService industriesMany technical rolesArts and crafts

IQ classification scale

130–145GiftedTop 2%
120–129SuperiorTop 9%
110–119Above AverageTop 25%
90–109AverageMiddle 50%← You
80–89Below AverageBottom 25%
70–79LowBottom 9%

Frequently asked questions

Is an IQ of 105 good?

An IQ of 105 places you at the 63th percentile, in the Average range (Middle 50%). This is within the normal range. The average IQ is 100, so a score of 105 is entirely typical.

What percentile is IQ 105?

An IQ of 105 corresponds to the 63th percentile. This means that 63% of the population scores at or below 105 under the same testing conditions. 37% of people score higher.

What does IQ 105 mean in terms of cognitive ability?

IQ 105 falls in the "Average" classification (Middle 50%). This reflects typical cognitive function, sufficient for the vast majority of everyday tasks and professional environments.

Can IQ change from 105?

IQ scores are not fixed. Research shows that targeted cognitive training, quality sleep, aerobic exercise, and reduced chronic stress can measurably improve performance on IQ-type tasks. Dual N-Back training in particular has been shown to increase working memory and fluid reasoning scores. A well-designed 30-day cognitive training protocol can produce meaningful gains.

How rare is an IQ of 105?

An IQ of 105 is fairly common — it falls within the normal range that encompasses about 50% of the population.

Related IQ scores

IQ 104IQ 106IQ 103IQ 107IQ 102IQ 108

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