Very superior, gifted range, top 2% of people · Rarer than 1 in 72
🏛️ Mensa: eligible (top 2%)
🌍 In the United States (national average ≈ 98, an estimate from test samples), an IQ of 133 is in the top 1.0%.
What an IQ of 133 means. Smarter than 98.6% of people. Classification: Very Superior / Gifted — Very superior, gifted range, top 2% of people. Rarer than 1 in 72.
IQ
Classification
Percentile
100
Average
50.0%
120
Superior
90.9%
130
Very Superior / Gifted
97.7%
❓ FAQ
Is an IQ of 133 a good score?
An IQ of 133 falls in the "Very Superior / Gifted" range and is higher than 98.6% of the population.
What percentile is an IQ of 133?
An IQ of 133 sits at the 98.6th percentile — the top 1.4% of the population. Roughly 1 in 72 people score this high.
Can you join Mensa with an IQ of 133?
Yes — Mensa admits the top 2% (about IQ 130 on the SD15 scale), and 133 clears that bar. Note that only supervised tests count, not online practice tests.
How many people have an IQ of 133 or higher?
Roughly 112,617,536 people worldwide — about 1.4% of 8.1 billion.