Historical Dossier • 20th Century

Franklin D. Roosevelt

US President

Last reviewed: February 2026
Historiometric analysis

Quick Answer

Franklin D. Roosevelt's IQ is estimated at 145+, placing them in the Genius classification.

This historiometric estimate is based on documented accomplishments, complexity of work, and contemporary accounts from the 20th Century era.

Methodology Note: This is a psychobiographical analysis based on documented behavior, contemporary accounts, and historiometric research methods. IQ estimates for historical figures are approximations derived from complexity of work and documented accomplishments. This is interpretation, not clinical diagnosis.

Franklin D. Roosevelt's IQ is estimated at 145+ (Genius), based on historiometric analysis of documented accomplishments, complexity of work, and contemporary accounts. Franklin D. Roosevelt is best known for exceptional charismatic leadership. This estimate places Franklin D. Roosevelt in the top 99.9% of the population.

Estimated IQ

145+

Historiometric estimate · What does IQ 145 mean?

Dominant Archetype

The Ruler

Psychological Profile

Charismatic optimism during crisis. High extraversion with strategic flexibility. Concealed disability while projecting confidence.

The dominant archetype here is The Ruler. This archetype shapes decision patterns: what feels natural, what creates friction, and what blind spots tend to emerge.

Estimated IQ is ~145+. This is a rough historiometric estimate based on documented accomplishments and contemporary accounts—not a literal measurement.

Key Behavioral Traits

1
Charismatic leadership

Franklin displayed notable charismatic leadership, a trait that shaped their approach to challenges and opportunities.

2
Strategic flexibility

Franklin displayed notable strategic flexibility, a trait that shaped their approach to challenges and opportunities.

3
Crisis management

Franklin displayed notable crisis management, a trait that shaped their approach to challenges and opportunities.

Historical Context

The 20th Century created specific selection pressures that rewarded Franklin's profile. In a different era, the same traits might have produced different outcomes.

Key Lessons

  • Franklin's greatest strength (Charismatic leadership and Strategic flexibility) was also their greatest liability when taken to extremes.

  • The The Ruler archetype tends to succeed in environments that reward bold action and long-term vision, but struggles in environments that demand consensus-building.

  • One pattern worth noting: Franklin's output was most productive when external constraints forced focus. Without structure, the same traits that enabled greatness sometimes led to overreach.

Modern Parallel

The modern mind most resembling Franklin's profile is likely Jacinda Ardern. Both share the The Ruler archetype and similar cognitive signatures.

Suggested Reading

For a deeper understanding of Franklin D. Roosevelt's psychology, consider primary biographies that document behavior patterns, decision-making, and personal correspondence.

Historiometric methods used in IQ estimation are based on research by Cox (1926), Simonton (1994), and others who analyze documented accomplishments as proxies for cognitive ability.

Compare Franklin

See how Franklin D. Roosevelt's intelligence and psychology stacks up against other historical minds.

Historical ProfilesFranklin D. Roosevelt

Explore More Historical Profiles

Discover how intelligence, personality, and circumstance shaped history's most influential minds.

Think Like Franklin?

Check if your IQ and Archetype match this historical figure's profile.

Same Archetype: The Ruler

Explore psychological profiles of contemporary figures analyzed with similar methods.

Browse All Profiles

Signs of High IQ

Traits commonly observed in individuals with Franklin D. Roosevelt's cognitive profile:

Franklin D. Roosevelt: People Also Ask

What was Franklin D. Roosevelt's IQ?+

Franklin D. Roosevelt's estimated IQ is 145+, which places them in the Genius classification. This historiometric estimate is based on documented accomplishments, complexity of work, and contemporary accounts—not a literal IQ test score, as standardized testing didn't exist in their era.

Was Franklin D. Roosevelt a genius?+

Yes, with an estimated IQ of 145+, Franklin qualifies as Genius level intelligence. However, "genius" oversimplifies their profile. Their The Ruler archetype, combined with Charismatic leadership and Strategic flexibility, better explains their exceptional output.

What personality type was Franklin D. Roosevelt?+

Franklin fits the The Ruler archetype. Key traits include Charismatic leadership, Strategic flexibility, and Crisis management. This psychological profile explains both their strengths and documented failure modes.

Who is the modern equivalent of Franklin D. Roosevelt?+

The closest modern parallel to Franklin D. Roosevelt is Jacinda Ardern. This comparison is based on operating style, The Ruler archetype, and similar trait configuration—not accomplishment level.

What can we learn from Franklin D. Roosevelt?+

Franklin's profile teaches that extreme strengths create extreme tradeoffs. Their Charismatic leadership and Strategic flexibility enabled success but also created recurring friction patterns.

References & Sources

  1. Cox, C. M. (1926). The Early Mental Traits of Three Hundred Geniuses. Stanford University Press.

  2. Simonton, D. K. (2009). Genius 101. Springer Publishing Company.

  3. Cattell, R. B. (1971). Abilities: Their Structure, Growth, and Action. Houghton Mifflin.

Take the Full IQ Test

Get your IQ score, percentile ranking, and cognitive profile with our scientifically validated assessment.

Free to download. Premium features available.

LifeScore for iOS

Take full tests & save results

Download on the App Store