IQ score guide
Percentile
96%
Rarity
1 in 28
this high or higher
Classification
Superior
On the standard scale (mean 100, SD 15), a score of 127 sits 1.8 standard deviations above the mean — the 96th percentile, meaning it matches or beats about 96% of the adult population. Test manuals file it under "superior" (about 9% of people).
What a score like this predicts, statistically: faster learning of novel, abstract material, and easier entry to intellectually selective paths. What it does not predict for any individual: outcomes. Within any profession, once past its entry demands, conscientiousness and accumulated expertise dominate — the tailwind is real, but modest.
Yes — 127 is comfortably above average, higher than about 96% of people. It sits in the range typical of demanding academic and professional environments.
About 1 person in 28 scores 127 or higher — it marks the 96th percentile, 1.8 standard deviations 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 127 as "probably between 120 and 134" from a good test — wider from a casual one. Any result quoted without an error range is overclaiming.
Nearby scores: IQ 122 · IQ 126 · IQ 128 · IQ 132 · or see the whole scale.
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