IQ score guide
Percentile
75%
Rarity
1 in 4
this high or higher
Classification
High average
On the standard scale (mean 100, SD 15), a score of 110 sits 0.7 standard deviation above the mean — the 75th percentile, meaning it matches or beats about 75% of the adult population. Test manuals file it under "high average" (about 16% of people).
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 4 scores 110 or higher — it marks the 75th percentile, 0.7 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 110 as "probably between 103 and 117" from a good test — wider from a casual one. Any result quoted without an error range is overclaiming.
Nearby scores: IQ 105 · IQ 109 · IQ 111 · IQ 115 · or see the whole scale.
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