An IQ score of 125 falls into the Superior range on the standard intelligence scale (mean = 100, standard deviation = 15). This score is notably above average — typically associated with strong academic and professional performance.
What an IQ of 125 means
125 is the midpoint of the superior band and puts you at about the 95th percentile, in the top 5%. Roughly one person in 21 scores at this level or above. It is five points short of 130, the line most high-IQ societies use, and five points is about the margin of error of a good test. People at 125 sometimes wonder whether a supervised test would put them over 130. It might, but it is equally likely to land a few points lower; a single online score is best treated as a range around 120 to 130.
Where does an IQ of 125 rank?
On a standardized IQ test, a score of 125 places you higher than approximately 95.2% of the population. Intelligence scores follow a normal distribution — most people cluster near 100, and scores taper off sharply toward both extremes.
| Metric | Value |
|---|---|
| IQ score | 125 |
| Classification | Superior |
| Percentile | 95.2% |
| Rarity (out of 1,000) | ~48 in 1,000 score this high or higher |
| Standard deviations from mean | 1.67 |
IQ 125 in numbers
- Roughly 1 in 21 people score 125 or higher.
- In a room of 100 randomly chosen adults, about 5 would score 125 or higher.
- That is 5 points below 130, the level most high-IQ societies use as their entry line.
- Another 5 points would move this score into the Gifted band, which starts at 130.
- Even on professionally administered tests a single result has a margin of error of about five points either way, so a measured 125 is best read as somewhere between 120 and 130.
On our free IQ test
Of the 3,834 people who completed our free IQ test between April and October 2026, 91 scored exactly 125 and 21.8% scored higher. People who choose to take an online IQ test are not a random sample of the population (our average is 114.5), so this shows where a score sits among other test-takers, not among everyone. More in our 2026 data study.
Which IQ tests produce a score of 125?
A score of 125 can be produced by any standardized intelligence test that uses the mean = 100, SD = 15 scale. The most widely used tests include:
- Wechsler Adult Intelligence Scale (WAIS) — clinical gold standard for adults.
- Stanford-Binet Intelligence Scales — oldest continuously-used intelligence test.
- Mensa admissions test — used by the Mensa society for membership selection.
- Cattell-Horn-Carroll (CHC) tests — most theoretically grounded modern framework.
- Our free IQ test — instant online estimate with the same scaling.
How to interpret an IQ score of 125
Scores in the high-average to superior range are associated with strong performance in educational and analytical settings. People at this level often report that unstructured problem-solving and abstract learning feel relatively natural, though domain expertise still requires deliberate practice.
IQ 125 in Context
| IQ Range | Classification | Population % |
|---|---|---|
| Below 70 | Extremely Low | ~2.2% |
| 70–79 | Borderline | ~6.7% |
| 80–89 | Low Average | ~16.1% |
| 90–109 | Average | ~50% |
| 110–119 | High Average | ~16.1% |
| 120–129 | Superior | ~6.7% |
| 130+ | Gifted / Very Superior | ~2.2% |
Factors That Influence Your Score
Your IQ score reflects a combination of genetic potential and environmental influences including education, nutrition, health, and the testing conditions themselves. Factors like fatigue, anxiety, unfamiliarity with the test format, and even the time of day can all affect performance. A single test score should be viewed as an estimate, and scores can vary by several points between testing sessions.
Nearby scores
Compare the major IQ tests
Which test produces the most accurate score depends on what you're trying to measure. These head-to-head comparisons break down the differences:
- WAIS vs Stanford-Binet — the two clinical heavyweights compared.
- Mensa vs WAIS — entry-test speed vs full clinical assessment.
- Stanford-Binet vs Mensa — which one actually gets you into Mensa.
- CHC vs Wechsler — modern cognitive framework vs the classic.
- Raven vs Cattell — non-verbal alternatives for cross-cultural testing.
Further reading
- What is a good IQ score?
- What does your IQ score mean?
- Average IQ by age
- Mensa requirements
- IQ test types compared
Want to find out your IQ score?
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Take the Free IQ TestFrequently asked questions
Is IQ 125 considered good?
An IQ of 125 is above average (95th percentile). It's associated with strong academic and analytical performance, though IQ is only one dimension of overall ability.
Can an IQ of 125 change over time?
IQ scores are relatively stable in adulthood but can shift modestly with education, engagement, sleep, and health. Short-term factors like stress and fatigue can move a single test result by 5–10 points in either direction — which is why we recommend comparing results across multiple sessions rather than reading too much into any single score.
What percentile is IQ 125?
An IQ of 125 corresponds to the 95.2th percentile on the standard bell curve — meaning it is higher than about 95 out of every 100 people.