Percentile 18 = IQ 86

IQ Test › IQ Percentile › 18
86
Smarter than 18% of people
86 · 17.5%55100145
Low Average
Low average, slightly below the population midpoint · Rarer than 1 in 6

Percentile 18 = IQ 86. Smarter than 18% of people. Classification: Low Average — Low average, slightly below the population midpoint. Rarer than 1 in 6.

IQClassificationPercentile
100Average50.0%
120Superior90.9%
130Very Superior / Gifted97.7%

❓ FAQ

What percentile is an IQ of 86?
An IQ of 86 sits at the 18.0th percentile — the top 82.0% of the population.
How many people have an IQ of 86 or higher?
Roughly 6,642,000,000 people worldwide — about 82.0% of 8.1 billion.
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📅 Last updated: 2026-06-18 · ✔ Reviewed by the All-Lifes editorial team · About · Methodology
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