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What Does a 109 IQ Mean?

A 109 IQ is in the average range. About 73 in 100 people score lower than 109. Clinical reports using the WISC-V or the traditional WAIS-IV wording would call 109 Average.

Percentile
72.57
How rare
1 in 4 score 109 or higher
WISC-V wording
Average
Traditional wording (WAIS-IV)
Average
Distance from 100
0.60 SD above
On an SD 16 test
about 110
On an SD 24 test
about 114
Our test's usual range here
97 to 121 (90%)
Where 109 sits on the IQ curveA bell curve with a marker at 109. The shaded area to the left is the share of people who score lower; 109 is at the 72.57th percentile.70100130109

What does a 109 IQ mean?

A score of 109 is 0.60 standard deviations above the average of 100. On most IQ tests one standard deviation, the typical distance from the average, is 15 points, so 109 is 9 points away.

109 sits near the top of the 90 to 109 band, 1 point below the next band up. About 49 in 100 people score from 90 to 109, the average band that holds 109.

What percentile is an IQ of 109?

A score of 109 is at the 72.57th percentile. That percentile is the share of people who score lower than 109, not the share of questions right. Five points higher, 114 is at the 82.47th percentile. Five points lower, 104 is at the 60.51st percentile. Across those ten points around 109, the percentile moves by 21.95.

How rare is an IQ of 109?

About 1 in 4 people score 109 or higher. In a town of 100,000 people, about 27,000 would score 109 or higher.

For every 100 people who score exactly 100, about 84 score exactly 109. These figures for 109 come from the normal curve that IQ scales are built on, and the IQ calculator works out any other score.

What would 109 be on other tests?

Not every test would print 109 for this position. Older Stanford-Binet forms and many school tests use a standard deviation of 16; there, the same position as 109 is about 110. On a scale with a standard deviation of 24, used by the Cattell test, it is about 114. 109, 110 and 114 all mean the same percentile.

Is 109 a good IQ score?

The scale does not grade the person behind a 109; it places one result among other people’s results. 109 is inside the average band, 90 to 109, where about half of all people score. What a 109 is useful for depends on the purpose, and a single online result is too rough for decisions about school, work or support. A 109 describes some kinds of reasoning on one test, on one day, and leaves out a great deal that matters, such as effort, knowledge and character.

How close is 109 to the average?

109 is 9 points above the exact middle, 100. That gap is 0.60 of a standard deviation, which is small. Our average IQ guide explains why the middle stays at 100.

What does an online result of 109 mean?

An online result of 109 is an estimate. When our test shows 109, the estimated range next to it is usually about 97 to 121. That range for 109 is provisional: it comes from our scoring model and a simulation, not yet from real test takers. Our methodology shows how the range is made.

An unsupervised online 109 may also run a little high: a large review found a gap of about 3 IQ points. Taking the same kind of test again usually raises a score like 109 a little, mostly on the first retakes. Our guide are IQ tests accurate covers this in depth.

To see where your own result falls next to 109, take the free IQ test. It has 30 questions and shows an estimated range with every result.

Scores near 109

  • 107 IQ: 2 points lower, at the 67.96th percentile.
  • 108 IQ: 1 point lower, at the 70.31st percentile.
  • 110 IQ: 1 point higher, at the 74.75th percentile.
  • 111 IQ: 2 points higher, at the 76.83rd percentile.

Look up any score from 70 to 160, not only those near 109, in the score explorer.

FAQ

What percentile is 109 IQ?

A score of 109 is at the 72.57th percentile. That means about 72.57 percent of people score lower.

Is 109 IQ average?

Yes. 109 is inside the 90 to 109 band, where about half of all people score.

How many people have an IQ of 109?

On a whole-number scale, about 2.2 percent of people score exactly 109. About 1 in 4 people score 109 or higher.

Can an online test show 109?

Yes, as an estimate with a range: on our test a 109 usually comes with an estimated range of about 97 to 121.