What IQ Do You Need to Be a Professor?
Typical IQ Range (Estimate)
120–135
IQ Classification
Superior range
IQ is not a job requirement. The range above is a rough estimate of the group average observed in studies of people already working in this field — it is not a minimum score, and employers do not screen candidates with IQ tests (narrow exceptions like military aptitude batteries test job-relevant skills, not IQ per se). People succeed in every career across a wide range of scores; training, experience, interest, and persistence matter far more than any test number.
Typical Cognitive Demands
University professors represent one of the most cognitively select professions. The path through doctoral education, dissertation research, and the highly competitive academic job market filters for exceptional analytical ability, deep expertise, and the capacity for original intellectual contribution. Professors must master their field deeply enough to advance human knowledge while also being able to teach complex concepts to students at various levels.
Where These Numbers Come From
Occupational IQ estimates trace back to studies that measured cognitive test scores across professions — most famously mid-20th-century military induction data (such as Harrell & Harrell's 1945 occupational tables) and later research linking standardized admission tests (MCAT, LSAT, GRE, ASVAB) to general cognitive ability. These sources are dated, based on group averages, and vary between studies, so treat the range above as an approximation of central tendency — not a measured fact about today's workforce, and never a cutoff for any individual.
To understand what these IQ ranges mean, see our complete IQ score ranges guide. You can also check where specific scores fall: Is 130 IQ Good?
Education Path
Professors need a PhD (4-7 years beyond a bachelor's), often followed by postdoctoral research (1-4 years). The academic job market is extremely competitive, with hundreds of applicants per tenure-track position in many fields. Tenure review after 6 years evaluates research output, teaching, and service.
How Does This Compare to Other Careers?
Career IQ Comparison
| Career | Average IQ Range |
|---|---|
| Professor | 120–135 |
| Data Scientist | 115–130 |
| Doctor | 120–130 |
| Lawyer | 115–130 |
Frequently Asked Questions
What IQ do you need to be a professor?
Most professors have IQs between 120 and 135, placing them in the superior to gifted range. The PhD-to-tenure pipeline is one of the most cognitively selective career paths. However, academic success also requires extraordinary persistence, writing ability, and the capacity for independent research.
Which academic fields have the highest IQ professors?
Physics, mathematics, philosophy, and computer science professors tend to score highest on cognitive tests. However, all fields require strong analytical and verbal ability to earn a PhD and navigate the competitive academic job market.
Are professors smarter than doctors?
On average, professors may score slightly higher on IQ tests (120-135 vs 120-130 for doctors), though there's significant overlap. The academic path selects more heavily for abstract reasoning and original thought, while medicine selects for applied science and clinical decision-making.
Explore More Careers
Learn more about what IQ measures, or take our free IQ test to see where you stand.