What Does an IQ of 117 Mean? (Percentile)
An IQ of 117 is above average. On the common deviation-IQ scale, where the mean is 100 and the standard deviation is 15, it is about 1.13 standard deviations above the mean and sits near the 87th percentile. In plain language, the score is higher than roughly seven or eight people out of ten in the reference population.
It is also still within the broad range where many people score. A 117 is not a diagnosis, a guaranteed academic outcome, or a formal gifted threshold. The test’s norms, the person’s age, the score profile, and measurement error all matter when interpreting it.
What percentile is an IQ of 117?
On a 15-point scale, 117 is approximately the 87th percentile. The z-score is (117 − 100) ÷ 15 = +1.13. A normal-distribution table places that result near 87.1%; reports may round it to the 86th or 87th percentile.
| IQ score | Standard deviations from 100 | Approx. percentile | Plain-language meaning |
|---|---|---|---|
| 100 | 0.00 | 50th | Middle of the norm group |
| 110 | +0.67 | 75th | Above average |
| 117 | +1.13 | 87th | Higher than about 7 in 10 people |
| 120 | +1.33 | 91st | Top tenth, approximately |
| 130 | +2.00 | 98th | Common gifted/Mensa reference point |
Percentile is a relative position, not a percentage score. It tells you how the result compares with an age-appropriate norm group. The exact percentile changes slightly across tests because each publisher uses its own representative sample and rounding rules.
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Is 117 a good or high IQ?
117 is a good, clearly above-average score, but it is not usually classified as gifted. Many charts call 110–119 high average, while others place 115–124 in a superior band. The labels are conventions, not universal clinical categories.
A score of 117 can indicate a relative strength in the abilities sampled by the test, such as verbal reasoning, visual problem solving, or working memory. It does not mean every subskill is equally strong. A full report can show whether one index is substantially higher or lower than the composite.
Does an IQ of 117 qualify for gifted programs or Mensa?
Usually not by the common 130 or 98th-percentile cutoffs, but local policies differ. Many gifted programs use multiple criteria rather than a single Full Scale IQ, and some use lower thresholds for particular services or underrepresented groups. Ask the school or program which test and cutoff it uses.
Mensa requires a qualifying result at or above the 98th percentile on an accepted test. On a standard mean-100, SD-15 scale, 117 is around the 87th percentile, so it would not meet that numerical threshold. An online score cannot establish membership eligibility.
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How reliable is a score of 117?
It is an estimate with a margin of error, not an exact permanent point value. Standardized tests report a standard error of measurement, and professional reports may provide a confidence interval. Research on testing emphasizes that observed changes should be compared with this error rather than treated as definite changes in ability.
For illustration only, if a report used a 95% interval of ±5 points, a reported 117 could overlap a range around 112–122. The actual interval depends on the instrument, age, index reliability, and testing conditions. Sleep, anxiety, language, practice, and distractions can all affect one sitting.
This is why 115, 117, and 120 should not be treated as sharply different types of people. They occupy neighboring parts of the same above-average region, with overlapping uncertainty.
What does 117 mean for school and work?
It suggests that many learning and reasoning tasks may be somewhat easier than average, but it cannot predict a specific grade or career. Prior instruction, motivation, attention, health, opportunity, and the demands of the environment strongly influence outcomes. IQ does not directly measure creativity, communication, emotional regulation, or practical judgment.
Use the score to identify helpful challenge and support, not as a ceiling. Someone with a 117 may thrive in a demanding field, while someone with a lower score may excel through expertise, persistence, and a well-matched environment.
FAQ
Q: Is an IQ of 117 good?
A: Yes. It is clearly above average and near the 87th percentile on the common mean-100, SD-15 scale. It is one piece of information, not a complete measure of potential.
Q: What percentile is an IQ of 117?
A: Approximately the 87th percentile. That means the result is higher than roughly 87% of the age-appropriate norm group, subject to rounding and test-specific norms.
Q: Is 117 a gifted IQ?
A: Usually it is described as above average or high average, not gifted. Many programs use about 130 or the 98th percentile, but eligibility rules vary and may include other evidence.
Q: Does an IQ of 117 qualify for Mensa?
A: No, not on the usual mean-100, SD-15 interpretation. Mensa uses a qualifying result at or above the 98th percentile on an approved, supervised test.
Q: Can an IQ of 117 change?
A: The observed score can vary across occasions. Measurement error, health, attention, practice, and the particular test affect results; a small change does not automatically represent a real change in underlying ability.
References
- American Psychological Association Dictionary — IQ
- American Psychological Association Dictionary — Deviation IQ
- American Mensa — Admission testing
- A primer on standardized testing (PMC)
Last updated: July 19, 2026
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