IQ score guide
Percentile
66%
Rarity
1 in 3
this high or higher
Classification
Average
On the standard scale (mean 100, SD 15), a score of 106 sits 0.4 standard deviation above the mean — the 66th percentile, meaning it matches or beats about 66% of the adult population. Test manuals file it under "average" (about half of everyone).
Statistically, scores in this range predict typical performance on abstract, novel material — and next to nothing about any individual life. The middle of the distribution is where the scale has least to say: interests, work habits and circumstances swamp a few IQ points in every direction.
It is a solidly typical score — the range 90–109 holds about half of everyone, and everyday life, most jobs and most goals are built for exactly this range. Within it, small differences carry no practical meaning.
About 1 person in 3 scores 106 or higher — it marks the 66th percentile, 0.4 standard deviation above the mean.
Almost certainly, by a little. Even excellent tests carry ±3–5 points of measurement error, online tests more, and the same person swings several points between good and bad days. Read 106 as "probably between 99 and 113" from a good test — wider from a casual one. Any result quoted without an error range is overclaiming.
Nearby scores: IQ 101 · IQ 105 · IQ 107 · IQ 111 · or see the whole scale.
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