Winston Churchill vs Franklin D. Roosevelt

Franklin D. Roosevelt has the higher estimated IQ: 145+ against 135 for Winston Churchill, a gap of about 10 points. Neither figure is a test score. Both are estimates from documented achievements and contemporary accounts.

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Side by side

Want the full evidence for each number? See Winston Churchill's IQ and Franklin D. Roosevelt's IQ.

	Winston Churchill	Franklin D. Roosevelt
Estimated IQ	135	145+
Known for	Prime Minister	US President
Archetype	The Warrior	The Ruler
Full profile	Winston Churchill's IQ	Franklin D. Roosevelt's IQ

Both figures are estimates, not test records.

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Where would you land next to Winston Churchill and Franklin D. Roosevelt?

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What an IQ of 145 means

How they think

Winston Churchill

High Verbal IQ and resilience to depression ("The Black Dog"). Thrived in chaos.

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Franklin D. Roosevelt

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

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A note on IQ comparisons

Historical IQ estimates are approximations based on documented achievements, contemporary accounts and cognitive analysis. Treat them as educated estimates rather than measurements. Both Winston Churchill and Franklin D. Roosevelt achieved remarkable things in their own fields, and a single number does not capture the full picture of their intelligence or impact.

Winston Churchill vs Franklin D. Roosevelt: FAQ

Who has a higher IQ, Winston Churchill or Franklin D. Roosevelt?

Franklin D. Roosevelt has a higher estimated IQ of 145+, compared to Winston Churchill's estimated IQ of 135. The difference is approximately 10 points. Note that historical IQ estimates are approximations based on documented achievements and cognitive analysis.

How smart was Winston Churchill?

Winston Churchill's IQ is estimated at 135. This estimate is based on historiometric analysis of their documented achievements, contemporary accounts, and cognitive demands of their work. Winston Churchill was known as the warrior.

How smart was Franklin D. Roosevelt?

Franklin D. Roosevelt's IQ is estimated at 145+. This estimate is based on historiometric analysis of their documented achievements, contemporary accounts, and cognitive demands of their work. Franklin D. Roosevelt was known as the ruler.

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Is your IQ above 145?

Winston Churchill and Franklin D. Roosevelt have estimates from the public record. Yours can come from a real test: 25 visual reasoning questions.

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25 questions · about 12 minutes