Is an IQ of 170 Good? What It Means & Where You Stand
Classification
Profoundly Gifted
Percentile
99.9999th
Rarity
1 in 650,000
High
What Does an IQ of 170 Mean?
An IQ of 170 is so rare that only about 1 in 650,000 people reach this level — roughly 500 people in the entire United States. At this height, cognitive ability is essentially unmeasurable by standard instruments. The few individuals confirmed at this level describe thinking in ways that are fundamentally different from how most humans process information — seeing entire systems holistically, solving problems through intuition faster than through calculation.
An IQ of 170 places you at the 99.9999th percentile, which means you scored higher than approximately 99.9999% of the general population on a standardized intelligence test. This score falls into the Profoundly Gifted range on the IQ scale. With a rarity of 1 in 650,000, this score is uncommon and indicates strong cognitive abilities.
To understand how IQ scores are calculated and what they measure, see our complete guide on what IQ is and how it works. For a full breakdown of all score ranges and their meanings, visit our IQ score ranges page.
Career Context for an IQ of 170
At 170, conventional career concepts barely apply. Individuals at this level typically work at the absolute frontier of human knowledge, often in multiple fields simultaneously. They may be found in advanced mathematics, theoretical physics, AI research, or as polymath generalists who defy categorization.
How Does an IQ of 170 Compare?
Here's how a score of 170 compares to nearby IQ scores:
Nearby IQ Score Comparison
| Score | Classification | Percentile |
|---|---|---|
| IQ 155 | Exceptionally Advanced | 99.99th |
| IQ 158 | Exceptionally Advanced | 99.99th |
| IQ 160 | Exceptionally Advanced | 99.997th |
| IQ 165 | Exceptionally Advanced | 99.999th |
| IQ 175 | Unmeasurable | 99.99999th |
Frequently Asked Questions
Is 170 a good IQ score?
A 170 is among the highest IQ scores documented in any human. Only about 500 people in the US would score at this level. It represents cognitive ability so extreme that standard measurement tools cannot capture it reliably.
How rare is a 170 IQ?
About 1 in 650,000 people — in a country of 330 million, roughly 500 individuals. This level of rarity means there is almost no research data on how people at this level actually think and function.
Can IQ really be 170?
Claims of IQs at 170+ should be treated with caution. Standard tests lose validity above 145-150, and high-range tests have larger error margins. While some individuals clearly have extraordinary cognitive abilities, precise quantification at this level is inherently imprecise.
Explore Other IQ Scores
Take our free IQ test to find out where you stand, or learn more about what IQ really measures.