7.1 %
Smarter than 7.1% of people
Borderline
Borderline, some tasks may need extra effort
🏛️ Mensa cutoff 130 — 52 points away
🌍 In the United States (national average ≈ 98, an estimate from test samples), an IQ of 78 is in the top 90.9%.
❓ FAQ
Is an IQ of 78 a good score?
An IQ of 78 falls in the "Borderline" range and is higher than 7.1% of the population.
What percentile is an IQ of 78?
An IQ of 78 sits at the 7.1th percentile — the top 92.9% of the population.
Can you join Mensa with an IQ of 78?
Mensa requires roughly IQ 130 (top 2% on SD15); 78 is 52 points below the cutoff. Practice and a supervised test may close the gap.
How many people have an IQ of 78 or higher?
Roughly 7,523,009,328 people worldwide — about 92.9% of 8.1 billion.