Superior intelligence, strong reasoning, roughly top 10% · Rarer than 1 in 28
🏛️ Mensa cutoff 130 — 3 points away
🌍 In the United States (national average ≈ 98, an estimate from test samples), an IQ of 127 is in the top 2.7%.
What an IQ of 127 means. Smarter than 96.4% of people. Classification: Superior — Superior intelligence, strong reasoning, roughly top 10%. Rarer than 1 in 28.
IQ
Classification
Percentile
100
Average
50.0%
120
Superior
90.9%
130
Very Superior / Gifted
97.7%
❓ FAQ
Is an IQ of 127 a good score?
An IQ of 127 falls in the "Superior" range and is higher than 96.4% of the population.
What percentile is an IQ of 127?
An IQ of 127 sits at the 96.4th percentile — the top 3.6% of the population. Roughly 1 in 28 people score this high.
Can you join Mensa with an IQ of 127?
Mensa requires roughly IQ 130 (top 2% on SD15); 127 is 3 points below the cutoff. Practice and a supervised test may close the gap.
How many people have an IQ of 127 or higher?
Roughly 291,035,161 people worldwide — about 3.6% of 8.1 billion.