Percentile 21 = IQ 88

IQ Test › IQ Percentile › 21
88
Smarter than 21% of people
88 · 21.2%55100145
Low Average
Low average, slightly below the population midpoint · Rarer than 1 in 5

Percentile 21 = IQ 88. Smarter than 21% of people. Classification: Low Average — Low average, slightly below the population midpoint. Rarer than 1 in 5.

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

❓ FAQ

What percentile is an IQ of 88?
An IQ of 88 sits at the 21.0th percentile — the top 79.0% of the population.
How many people have an IQ of 88 or higher?
Roughly 6,399,000,000 people worldwide — about 79.0% 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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