10.3 %
Smarter than 10.3% of people
Low Average
Low average, slightly below the population midpoint
🏛️ Mensa cutoff 130 — 49 points away
🌍 In the United States (national average ≈ 98, an estimate from test samples), an IQ of 81 is in the top 87.1%.
❓ FAQ
Is an IQ of 81 a good score?
An IQ of 81 falls in the "Low Average" range and is higher than 10.3% of the population.
What percentile is an IQ of 81?
An IQ of 81 sits at the 10.3th percentile — the top 89.7% of the population.
Can you join Mensa with an IQ of 81?
Mensa requires roughly IQ 130 (top 2% on SD15); 81 is 49 points below the cutoff. Practice and a supervised test may close the gap.
How many people have an IQ of 81 or higher?
Roughly 7,268,637,703 people worldwide — about 89.7% of 8.1 billion.