Analysing your IQ
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Superior
91% percentile • 1 in 11
An IQ of 128 is classified as Superior, placing you in the 91% percentile (1 in 11).
The bell curve shows the normal distribution of IQ scores. The mean is 100 with a standard deviation of 15. The highlighted area represents the percentage of people who score at or below IQ 128.
Superior intelligence indicates above-average cognitive abilities. Individuals at this level typically perform well academically, can handle complex professional work, and often advance to leadership positions in their careers.
These historical figures have estimated IQs similar to 128:
Well-suited for a wide range of professional careers. Can succeed in management, technical roles, and positions requiring good judgment and analytical skills.
These college majors have average student IQs similar to 128:
These universities have estimated average student IQs near 128:
| IQ Range | Classification | Percentile |
|---|---|---|
| 160+ | Profoundly Gifted | 99.997% |
| 145-159 | Genius | 99.87% |
| 130-144 | Gifted | 98% |
| 120-129 | Superior | 91% |
| 110-119 | High Average | 75% |
| 90-109 | Average | 50% |
| 80-89 | Low Average | 25% |
| <80 | Below Average | <25% |
Get your IQ score, percentile ranking, and cognitive profile with our scientifically validated assessment.
An IQ of 128 is classified as "Superior" and places you in the 91% percentile. This means you score higher than approximately 91% of the population on standardized intelligence tests. Superior intelligence indicates above-average cognitive abilities.
Yes, an IQ of 128 is above average. The mean IQ is 100, so a score of 128 indicates superior cognitive abilities. This level of intelligence is associated with well-suited for a wide range of professional careers.
Well-suited for a wide range of professional careers. Can succeed in management, technical roles, and positions requiring good judgment and analytical skills.
An IQ of 128 is found in approximately 1 in 11 people. This places you in the 91% percentile of the population. This is an above-average level of intelligence.
While IQ is relatively stable in adulthood, you can optimize your cognitive performance through several strategies: maintaining good sleep habits, regular exercise, continuous learning, managing stress, and challenging your brain with novel problems. These won't dramatically change your IQ score but can help you perform at your cognitive best.
