Lelouch vi Britannia IQ

Lelouch's IQ is about 150 (range 140 to 160): a gifted tactician who plans well and improvises brilliantly, but leans on Geass and is repeatedly blindsided by family and by allies.

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Key facts

Estimated IQ
IQ 150
Range
140 to 160
Compare with
Light Yagami, L Lawliet, Sosuke Aizen and Erwin Smith
Confidence
Medium. A fair amount of evidence, with some gaps.
Franchise
Code Geass. Anime (2006 to 2008), Code Geass: Lelouch of the Rebellion and R2

Fan analysis by the LifeScore Editorial Team, reviewed September 2026. Contains major spoilers. How we estimate

What is Lelouch vi Britannia's IQ?

Lelouch builds a rebellion out of scattered resistance cells and wins battles that should be lost, which is real strategic talent in a teenager. Two things hold him back. Geass turns some of his plans into shortcuts, so a chunk of his record is power-assisted. And his emotional blind spots, especially around family, produce big errors that a colder mind would avoid. The Zero Requiem is the best plan in the show and a very good one.

Age-normed for a 17 to 18 year old.

How they score

Six ratings out of ten, each based on what is shown on the page or screen. They show how the estimate is built; they are not averaged into it.

DeductionSolving new problems from thin information
7/10
StrategyMulti-step plans that account for other minds
9/10
KnowledgeDepth and breadth of what they know
7/10
InventionBuilding or devising something genuinely new
5/10
AdaptabilityRecovering when the plan breaks
9/10
Reading peopleUnderstanding what other people want and will do
8/10

Scene-by-scene evidence

  1. Turning the Shinjuku Ghetto around

    Moderate evidence

    Code Geass, Season 1 (early episodes)

    Clovis orders the Shinjuku ghetto wiped out to hide a secret project. Lelouch, newly in possession of Geass but not yet leading anyone, takes charge of the resistance fighters in the area and directs them to beat Clovis's forces. He is reading an unfamiliar battlefield and giving specific orders to people who have never met him. The victory is small and its details are more about improvised direction than about any power, so it sets the baseline: this is a young man who can command.

  2. The Narita landslide

    Strong evidence

    Code Geass, Season 1

    Facing Cornelia's army in the mountains at Narita, Lelouch treats the mountain as a weapon. The Black Knights trigger a landslide that wipes out most of the Britannian force and leaves Cornelia isolated, prepared in advance, beginning with a scouting hike up the mountain. It is a plan built on terrain, timing and the enemy's assumptions rather than numbers, and it would work without Geass. It also has a cost, since the slide kills civilians, and that cost is part of his record too.

  3. Building Zero and the Black Knights

    Moderate evidence

    Code Geass, Season 1

    Zero begins as a masked voice and becomes the leader of a rebellion. He gathers credibility through staged victories, uses public performance to win support, and creates an identity that does not depend on his own face. Most strategies rely on the leader being present. Lelouch designs a symbol that can be worn by someone else, which is a piece of systems thinking that pays off in a big way at the end of the story.

  4. Facing Schneizel

    Moderate evidence

    Code Geass, R2

    In R2 Lelouch meets Schneizel, the one rival he never managed to beat at chess as a child, and fights him politically and militarily. At the wedding reception in the Chinese Federation the two play a game that ends evenly matched. Lelouch does finally beat him during the battle for Damocles, but he uses Geass on him as part of the Zero Requiem. The rivalry shows that Lelouch has an equal on pure intellect, which matters when scoring him.

  5. The Zero Requiem

    Strong evidence

    Code Geass, R2 finale

    Lelouch takes the throne, concentrates the world's hatred on himself, and arranges for Suzaku, wearing the Zero mask, to kill him in public. The plan seeks a lasting peace and depends on many people acting without knowing the whole design. It is a long-range plan with sound psychological assumptions, and it makes use of the symbol he built in Season 1. It scores as a top planning feat, though a plan whose success depends on the planner's own death has a clear constraint.

What holds the number down

  1. Euphemia and the runaway Geass

    Code Geass, Season 1 (Special Administrative Zone)

    Lelouch's Geass slips out of his control and compels Euphemia to begin killing Japanese people, and he has to shoot her to end it. He had not planned for a power he claims to master to fail like this. A control failure with his own tool, at the worst possible moment, is a serious error.

  2. Narita's civilian cost

    Code Geass, Season 1

    The same landslide that wins the battle kills civilians, including the father of his classmate Shirley. Lelouch and even Kallen are shaken. A plan that is brilliant on the map but that ignores who is standing on the slope is a lapse in thinking through consequences, and it costs him personally.

  3. Rewritten by his own father

    Code Geass, Season 1 finale and R2

    Emperor Charles rewrites Lelouch's memories with a Geass of his own, and Lelouch spends a stretch of the story as a controlled pawn. He recovers, but it shows he can be steered when family is involved, and that he underestimated an opponent who could reach him directly.

Why 150, and not higher or lower

Fans who say 200 are counting Geass as if it were intellect. Strip it out and Lelouch is a very strong tactician who reads terrain and psychology fast and improvises well. Then the errors: Euphemia, the Narita civilians, a father who rewrites his memory. He is also the narrator of his own genius, and it is easy to confuse the framing with the feats. 150 pays for the tactics and charges for the blind spots.

IQ estimates for fictional characters are fan analysis: an argument from what the story shows, not a measurement. Read the full method and the standards we hold every profile to.

Lelouch vi Britannia's personality and MBTI type

Fans most often type Lelouch vi Britannia as ENTJ. Fans usually type Lelouch as ENTJ or INTJ. ENTJ reflects his commanding, public Zero persona; INTJ reflects his private scheming as a student.

Openness
High
Conscientiousness
High
Extraversion
Moderate
Agreeableness
Low
Neuroticism
High

Lelouch is imaginative, disciplined and controlling. He performs extraversion as Zero but is private as himself. Beneath the arrogance he is protective and emotional, especially about his sister Nunnally, and that emotion drives most of his choices.

Personality typing is interpretive. It describes how Lelouch vi Britannia behaves in the story and does not affect the IQ estimate.

The debate

Lelouch versus Light Yagami is the fan favourite. Both are teenage schemers with a supernatural tool, and both come unstuck on their weaknesses. Lelouch is the better battlefield commander and inspiring leader, while Light is the better long-term concealer. Lelouch's plans have a warmer motive, but his errors are louder. We put Lelouch a few points below Light on discipline and well below the 200 that some fans claim. Neither reaches the level fans claim, and neither wins by intellect alone.

For a real-world parallel, Caesar was a brilliant general and a master of public image who took control of a state and was killed in public. Lelouch plays the same part on purpose, to end the story on his terms. See Julius Caesar's IQ estimate.

Lelouch vi Britannia IQ: frequently asked questions

What is Lelouch's IQ?

The show gives no figure. Our estimate is about 150, with a range of 140 to 160, age-normed for a teenager and adjusted downward for the help Geass provides in several of his biggest wins.

Is Lelouch smarter than Light Yagami?

Close. Lelouch is the better tactician in open battle and Light is better at staying hidden. Both lean on supernatural tools, and both are outplayed at least once. We rate Light slightly higher.

Is Lelouch's genius only because of Geass?

No. Plans like Narita succeed on terrain and psychology alone. But Geass props up several big wins, including his final victory over Schneizel, so his real level sits well below the fan claims of 200.

Are you smarter than Lelouch vi Britannia? Lelouch's IQ is about 150. What's yours?

Lelouch's number is an argument from the story. Yours can come from a real test: 25 visual reasoning questions.

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Lelouch vi Britannia and Code Geass belong to their respective owners. LifeScore is not affiliated with them. This page is independent commentary and analysis, and estimates are our own opinion.