Percentile 91 = IQ 120. Smarter than 91% of people. Classification: Superior — Superior intelligence, strong reasoning, roughly top 10%. Rarer than 1 in 11.
| IQ | Classification | Percentile |
|---|---|---|
| 100 | Average | 50.0% |
| 120 | Superior | 90.9% |
| 130 | Very Superior / Gifted | 97.7% |