0.8 %
Smarter than 0.8% of people
Extremely Low
Well below average, often benefits from extra support
🏛️ Mensa cutoff 130 — 66 points away
🌍 In the United States (national average ≈ 98, an estimate from test samples), an IQ of 64 is in the top 98.8%.
❓ FAQ
Is an IQ of 64 a good score?
An IQ of 64 falls in the "Extremely Low" range and is higher than 0.8% of the population.
What percentile is an IQ of 64?
An IQ of 64 sits at the 0.8th percentile — the top 99.2% of the population.
Can you join Mensa with an IQ of 64?
Mensa requires roughly IQ 130 (top 2% on SD15); 64 is 66 points below the cutoff. Practice and a supervised test may close the gap.
How many people have an IQ of 64 or higher?
Roughly 8,033,600,013 people worldwide — about 99.2% of 8.1 billion.