Is an IQ of 143 Good? What It Means & Where You Stand
Classification
Genius-level
Percentile
99.8th
Rarity
1 in 400
High
What Does an IQ of 143 Mean?
An IQ of 143 is solidly in the genius range at the 99.8th percentile. Only about 1 in 400 people score this high. At this level, you process information qualitatively differently from the general population — complex problems that challenge most people may feel intuitive to you. The cognitive gap between 143 and the average person (100) is enormous.
An IQ of 143 places you at the 99.8th percentile, which means you scored higher than approximately 99.8% of the general population on a standardized intelligence test. This score falls into the Genius-level range on the IQ scale. With a rarity of 1 in 400, 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 143
At 143, you have the cognitive tools for the most demanding intellectual work. Many at this level make original contributions to their fields. Finding adequately challenging work is often more important than finding employment.
How Does an IQ of 143 Compare?
Here's how a score of 143 compares to nearby IQ scores:
Nearby IQ Score Comparison
| Score | Classification | Percentile |
|---|---|---|
| IQ 128 | Superior | 97th |
| IQ 129 | Superior | 97th |
| IQ 130 | Very Superior / Gifted | 98th |
| IQ 131 | Very Superior / Gifted | 98th |
| IQ 132 | Very Superior / Gifted | 98th |
Frequently Asked Questions
Is 143 a good IQ score?
143 is exceptional — genius range at the 99.8th percentile. Only 1 in 400 people score this high. It represents cognitive ability far beyond the vast majority of the population.
What can you do with a 143 IQ?
Anything requiring cognitive ability. At 143, intelligence is never the bottleneck. The question is what sustains your interest and engagement, not what you're capable of.
Is 143 close to 145?
Yes, the 2-point gap is negligible. Both represent genius-level cognitive ability. The distinction between specific scores at this height is less meaningful than at average ranges.
Explore Other IQ Scores
Take our free IQ test to find out where you stand, or learn more about what IQ really measures.