Average IQ of a CEO: How Smart Are Top Executives?

The surprising finding: CEOs are rarely the highest-IQ people

You would expect the people running billion-dollar firms to be intellectual outliers. They generally are not. The Swedish data shows the median big-company CEO in the top 17% for intelligence, which is impressive but ordinary among, say, doctors, physicists, or research scientists, who often average higher. Plenty of people with IQs of 140 spend their careers as individual contributors and never manage anyone.

Why the gap between expectation and reality? Because leadership rewards a bundle of skills that intelligence tests do not measure. The 2018 study found that non-cognitive ability, the cluster that includes persistence, self-confidence, social maturity, and the willingness to make decisions under uncertainty, predicted CEO appointment more strongly than cognitive ability did. A brilliant analyst who cannot rally a team, tolerate ambiguity, or sell a vision will lose the top job to a merely bright colleague who can.

There is also evidence that too much intelligence can actively work against a leader. A study led by John Antonakis at the University of Lausanne, published in the Journal of Applied Psychology, found the relationship between IQ and perceived leadership effectiveness is curvilinear. Perceptions of leadership rose with intelligence up to about IQ 120, then flattened and began to reverse. By an IQ of roughly 128 and above, higher scores were reliably associated with being seen as a less effective leader.

Why brains alone don't make a boss

The Lausanne researchers offered a plausible mechanism. Very high-IQ leaders can struggle to communicate simply, may over-complicate decisions, and sometimes fail to grasp why others find a task hard. Teams follow people they understand and trust, not the person with the most impressive reasoning they cannot follow. An IQ around 120 appears to be a sweet spot: high enough to handle strategic complexity, not so high that it creates distance from the people who have to execute.

This lines up with everything the Swedish registry showed. Cognitive ability, non-cognitive ability, and even height all had a roughly linear relationship with CEO pay, but each correlation was individually modest. No single trait, including intelligence, dominates. Becoming and staying a CEO is closer to clearing a series of "good enough" bars across several dimensions than maxing out any one of them.

For a broader look at how intelligence stacks up across careers, see the profession comparisons below.

Related

Average IQ by Profession: Which Jobs Rank Highest?

Average IQ by profession: physicians, professors and lawyers rank near 125-132 in the research, while manual and service roles sit near 100 — with huge overlap.

Related

Highest IQ Billionaires and CEOs: The Estimated Ranking

Elon Musk near 155, Bill Gates near 160, Bezos near 150 — the famous billionaire IQ numbers are almost all unverified media estimates. A few have real credentials, but wealth turns on far more than IQ. Here is the honest ranking.

How these estimates should be read

Treat every CEO IQ figure as a group average with heavy overlap, not a scoreboard. The 115-125 range describes a distribution, and individual executives scatter widely around it. Some genuinely are in the top 1%; others sit closer to average and win on grit, timing, and people skills. The Swedish study is valuable precisely because it measured real cognitive scores rather than guessing from job titles, but it covers Swedish men and large firms, so the exact numbers should not be over-generalized to every founder or small-business owner worldwide.

The honest takeaway as of 2026: intelligence is a real advantage for reaching the top, but it is a ticket to entry, not the deciding factor. Above roughly the 80th percentile, what compounds is drive, judgment, and the ability to move other people.

Frequently asked questions

Q: What is the average IQ of a CEO?

A: Most estimates put it in the 115-125 range, roughly 1 standard deviation above average. The strongest evidence, a Swedish registry study of about 1.3 million men, placed the median large-company CEO near the 83rd percentile of cognitive ability, which corresponds to an IQ of about 115.

Q: Do CEOs have the highest IQs of any profession?

A: No. CEOs score well above average but are typically outranked by physicians, physicists, and research scientists. Leadership selects heavily for non-cognitive traits like drive and social skill, so the very highest-IQ people are often individual contributors rather than executives.

Q: Can a very high IQ hurt your chances as a leader?

A: It can, past a point. Research from the University of Lausanne found perceived leadership effectiveness peaks around an IQ of 120 and declines above roughly 128, likely because extremely intelligent leaders struggle to communicate simply and relate to their teams.

Q: How is the average CEO IQ actually measured?

A: Mostly through indirect estimates, since no one has tested every CEO under standardized conditions. The cleanest source is Sweden's practice of recording cognitive test scores at conscription age 18, which researchers later matched to individuals who became CEOs. You can gauge where you personally fall with a standardized test scored against the 100/15 scale.

References

• Adams, R., Keloharju, M., & Knupfer, S. (2018). Are CEOs Born Leaders? Lessons from Traits of a Million Individuals. Journal of Financial Economics, 130(2), 392-408.
• Antonakis, J., House, R. J., & Simonton, D. K. (2017). Can Super Smart Leaders Suffer From Too Much of a Good Thing? The Curvilinear Effect of Intelligence on Perceived Leadership Behavior. Journal of Applied Psychology.
• World Economic Forum. (2017). Being too intelligent can make you a less effective leader.

Last updated: July 13, 2026