72.6 %
Smarter than 72.6% of people
Average
Average range, where about half of people score · Rarer than 1 in 4
🏛️ Mensa cutoff 130 — 21 points away
🌍 In the United States (national average ≈ 98, an estimate from test samples), an IQ of 109 is in the top 23.2%.
❓ FAQ
Is an IQ of 109 a good score?
An IQ of 109 falls in the "Average" range and is higher than 72.6% of the population.
What percentile is an IQ of 109?
An IQ of 109 sits at the 72.6th percentile — the top 27.4% of the population. Roughly 1 in 4 people score this high.
Can you join Mensa with an IQ of 109?
Mensa requires roughly IQ 130 (top 2% on SD15); 109 is 21 points below the cutoff. Practice and a supervised test may close the gap.
How many people have an IQ of 109 or higher?
Roughly 2,221,449,865 people worldwide — about 27.4% of 8.1 billion.