What Percentage of People Have an IQ Over 130?
Quick Answer
About 2.3% of people score above 130 on a standard IQ test — roughly 1 in 44. Because IQ follows a bell curve with an average of 100 and a standard deviation of 15, a 130 sits two standard deviations above the mean, the common threshold for 'gifted' programs.
Rarity at Every Threshold
The bell curve makes rarity easy to calculate. About 15.9% of people score above 115. Above 130, it's 2.3% (1 in 44). Above 140, roughly 0.4% (1 in 260). Above 145 — three standard deviations — about 0.1% (1 in 740). Above 160, fewer than 1 in 30,000.
These percentages assume a perfectly normal distribution, which holds well near the middle and gets less precise at the extremes. Very high scores also become statistically noisier because so few people in any norming sample score there.
What a 130+ Score Means in Practice
130 is the most common cutoff for gifted education programs and roughly the threshold for the top 2% societies like Mensa (which uses the 98th percentile). People scoring 130+ typically find academic material faster to absorb, but research on gifted cohorts — like Terman's famous longitudinal study — shows that beyond a threshold, personality, opportunity, and persistence matter more for achievement than additional IQ points.
Frequently Asked Questions
How rare is an IQ of 140?
Roughly 0.4% of people — about 1 in 260 — score 140 or above. That places the score around the 99.6th percentile, well past the Mensa threshold.
Is 130 IQ enough for Mensa?
Usually yes. Mensa admits the top 2% on an approved supervised test. On a test with standard deviation 15, that's a score of about 131 or higher; on the Cattell scale (SD 24), the equivalent is 148.
What percentage of people have an IQ over 120?
About 9.1% of people score above 120 — roughly 1 in 11. That corresponds to the 'superior' range on most classification tables.
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MyIQScores Editorial Team
Researchers in cognitive psychology, psychometrics & educational science
Last updated
May 10, 2026
All content on MyIQScores is reviewed for scientific accuracy against peer-reviewed research in cognitive psychology and psychometrics. Our editorial team cross-references each article with published literature before publication and updates pages whenever new research warrants a revision.