Superior intelligence, strong reasoning, roughly top 10% · Rarer than 1 in 38
🏛️ Mensa cutoff 130 — 1 points away
🌍 In the United States (national average ≈ 98, an estimate from test samples), an IQ of 129 is in the top 1.9%.
What an IQ of 129 means. Smarter than 97.3% of people. Classification: Superior — Superior intelligence, strong reasoning, roughly top 10%. Rarer than 1 in 38.
IQ
Classification
Percentile
100
Average
50.0%
120
Superior
90.9%
130
Very Superior / Gifted
97.7%
❓ FAQ
Is an IQ of 129 a good score?
An IQ of 129 falls in the "Superior" range and is higher than 97.3% of the population.
What percentile is an IQ of 129?
An IQ of 129 sits at the 97.3th percentile — the top 2.7% of the population. Roughly 1 in 38 people score this high.
Can you join Mensa with an IQ of 129?
Mensa requires roughly IQ 130 (top 2% on SD15); 129 is 1 points below the cutoff. Practice and a supervised test may close the gap.
How many people have an IQ of 129 or higher?
Roughly 215,439,798 people worldwide — about 2.7% of 8.1 billion.