IQ Score Guide / 108
Is 108 a Good IQ Score?
What an IQ of 108 means, where it ranks, and what it tells you about cognitive ability.
What an IQ of 108 means
The middle 50% of the population scores here. Cognitively typical — not a limitation. Most of the world's productive work is done by people in this range, and raw score at this level has the least influence on life outcomes compared to effort, character, and opportunity.
Careers that commonly score in this range
Notable people reportedly in this range
All figures are estimates or reported by third-party sources — none are clinically verified.
Ronald Reagan
40th US President and former actor — IQ estimated at approximately 105–115 in several published presidential cognitive assessments, including Simonton's (2006) historiometric analysis of US presidents.
Andrew Jackson
7th US President — self-educated lawyer and military general. Popular presidential IQ surveys place Jackson at approximately 105–115, reflecting strong practical and emotional intelligence over formal academic ability.
John F. Kennedy
35th US President — reportedly scored approximately 119 on Navy Officer Candidate School aptitude tests during WWII, a figure independently cited in multiple presidential biographies as the closest approximation to his IQ.
Richard Nixon
37th US President — IQ estimates vary widely in published sources (107 to 143). The most widely cited mid-range estimate from Simonton's historiometric analysis places him at approximately 110–115.
Recommended reading for this score range
Make It Stick: The Science of Successful Learning
Peter C. Brown
Evidence-based learning strategies that dramatically outperform re-reading and highlighting.
View on Amazon →
Moonwalking with Einstein
Joshua Foer
How a journalist became US Memory Champion in one year — and what that reveals about memory training.
View on Amazon →
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