Abraham Lincoln's IQ: 128–150
Estimated IQ
128–150
Known For
16th US President, self-educated, preserved the Union, abolished slavery
About Abraham Lincoln
Abraham Lincoln is widely regarded as the greatest American president — the self-educated Illinois lawyer who led the nation through the Civil War, preserved the Union, and issued the Emancipation Proclamation, beginning the end of slavery in America. He had less than a year of formal schooling in total, teaching himself law, mathematics, rhetoric, and literature through voracious self-directed reading — a cognitive achievement that makes his subsequent accomplishments even more remarkable. His estimated IQ of 128–150 reflects the broad range of scholarly opinion on his intelligence, which was demonstrated through his extraordinary prose (the Gettysburg Address, the Second Inaugural), his strategic and political intelligence in managing a fractious cabinet and military command, and his capacity for moral reasoning in unprecedented circumstances.
What an IQ of 128–150 Means
The wide range of Lincoln's IQ estimate (128–150) reflects genuine scholarly uncertainty: his cognitive profile was highly distinctive, with extraordinary verbal and rhetorical ability alongside practical political genius, but without the formal educational credentials that typically allow more precise comparison. His prose style — the Gettysburg Address in particular — is considered among the finest in the English language and reflects a command of rhythm, parallelism, and conceptual compression that is the hallmark of very high verbal intelligence. His management of his cabinet — which included rivals, critics, and men who considered themselves his superior — is a masterclass in political intelligence. His depression, which contemporaries noted and which he called the 'hypo,' is a recurring feature of discussion about his psychological profile.
How Abraham Lincoln Compares
To understand where this falls on the IQ scale, see our complete IQ score ranges guide, or learn what IQ actually measures.
Famous IQ Comparison
| Person | Estimated IQ | Known For |
|---|---|---|
| Abraham Lincoln | 128–150 | 16th US President, self-educated, preserved the Union, abolished slavery |
| Steve Jobs | 130–145 | Apple co-founder, iPhone, Macintosh |
| Barack Obama | 130–145 | 44th US President, Harvard Law Review |
| Oprah Winfrey | 120–130 | Media mogul, talk show host, philanthropist |
| Richard Feynman | 125 | Nobel Prize physicist, quantum electrodynamics |
| Warren Buffett | 130–145 | Investor, Berkshire Hathaway, Oracle of Omaha |
| Shakira | 130–140 | Singer, songwriter, speaks 7 languages |
See the complete famous IQ list or check what an IQ of 128 means.
Careers That Match an IQ of 128
- Doctor — typical IQ range: 120–130
- Lawyer — typical IQ range: 115–130
- Engineer — typical IQ range: 115–128
Explore the full IQ by career chart.
Frequently Asked Questions
What was Abraham Lincoln's IQ?
Abraham Lincoln's IQ is estimated between 128 and 150, with the wide range reflecting scholarly debate about how to assess a self-educated figure without standard cognitive benchmarks. He had less than one year of formal schooling and taught himself law from borrowed books, passing the bar examination without attending law school. His extraordinary prose — particularly the Gettysburg Address and Second Inaugural — his strategic political management of the Civil War and his cabinet, and his moral reasoning about slavery and constitutional limits support estimates at the higher end of this range.
How did Lincoln teach himself law?
Lincoln taught himself law in the mid-1830s primarily through a borrowed copy of Blackstone's Commentaries on the Laws of England, which he walked 20 miles to borrow and reportedly read repeatedly until he had mastered its contents. He supplemented this with statute books, court documents from cases he observed in the county courthouse, and mentorship from practicing lawyers who recognized his aptitude. He was licensed to practice law in 1836 without formal legal education — the standard path to the bar before law schools became dominant. His legal career was successful by any objective measure, and the self-directed learning methods he developed shaped his intellectual approach to all subsequent challenges.
What makes Lincoln's Gettysburg Address a masterwork of rhetoric?
The Gettysburg Address, delivered in November 1863 at the dedication of the Soldiers' National Cemetery, is 272 words long and took approximately two minutes to deliver. Its rhetorical achievement lies in what it does: it reframes the Civil War not as a conflict about Southern rebellion or even slavery directly, but as a test of whether a democracy built on the proposition of human equality could survive. In doing so, it retrospectively redefined the founding principles of the United States — importing equality from the Declaration of Independence into the constitutional framework — in a way that transformed American political discourse. The address's famous conclusion — 'government of the people, by the people, for the people, shall not perish from the earth' — was a deliberate revision of a phrase from Daniel Webster, compressed into a tricolon that has become one of the most famous sentences in American political history.
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MyIQScores Editorial Team
Researchers in cognitive psychology, psychometrics & educational science
Last updated
May 10, 2026
All content on MyIQScores is reviewed for scientific accuracy against peer-reviewed research in cognitive psychology and psychometrics. Our editorial team cross-references each article with published literature before publication and updates pages whenever new research warrants a revision.