John Quincy Adams
Where 175 Falls on the IQ Scale
What Is John Quincy Adams's IQ?
John Quincy Adams's IQ is estimated at approximately 175, placing them in the Profound Genius range. John Quincy Adams was the sixth president of the United States, serving from 1825 to 1829. He previously served as the eighth United States secretary of state from 1817 to 1825; minister to Great Britain, Prussia, and Russia; and senator for Massachusetts.
For context, an IQ of 175 would put John Quincy Adams in approximately the 99.9999th percentile of the global population. The average IQ is 100, and a score above 130 is generally considered "gifted," while 145+ is typically classified as genius-level.
Evidence Behind the Estimate
Unlike some figures with formally disclosed IQ scores, most celebrity IQ estimates are compiled from academic records, biographical accounts, performance data, and expert analysis. Estimated
- Navigated complex political systems requiring exceptional strategic thinking
- Educational background typically includes degrees from top institutions
- Demonstrated ability to absorb and synthesize vast amounts of information
- Known for sharp debating skills and quick thinking under pressure
- Has made consequential decisions affecting millions of people
How Does John Quincy Adams Compare?
With an estimated IQ of 175, John Quincy Adams falls into the Profound Genius classification. This is a rare cognitive level — only a tiny fraction of the population ever scores this high on standardized assessments.
What Does This IQ Score Mean?
Psychologists generally agree that IQ captures a meaningful slice of cognitive ability — particularly in areas like abstract reasoning, pattern recognition, and verbal comprehension — but it's far from a complete picture. Many researchers emphasize that above a threshold of around 120–130, raw intelligence increasingly gives way to creativity, grit, emotional intelligence, and circumstance as determinants of real-world success.
John Quincy Adams's accomplishments in politicians suggest a cognitive profile that pairs well with their estimated IQ — demonstrating not just raw intellectual firepower, but the drive and focus to convert it into meaningful output.