PERSPersonality

Ketsueki-Gata Blood Type Test (血液型)

Japan's famous blood-type personality system — but instead of your actual blood type, we test which type's personality you actually act like.

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What you will learn

Which of the four blood-type personalities matches your behavior, what Japanese pop culture says about it, and why it's fun but not science.

This quiz borrows words from another culture. Hover (or long-press) any term for its meaning.

血液型性格診断 (Ketsueki-gata seikaku shindan): 'Blood-type personality diagnosis' — a folk typology in Japan that links A/B/O/AB blood types to personality. It shows up in dating profiles, morning TV, and manga. Scientists have studied it and found no real effect; Japan knows, and enjoys it anyway.
Type AB mystique: Only about 10% of Japanese people are AB, so the stereotype paints them as rare geniuses or charming weirdos — sometimes both in the same anime episode.

Private by default. Answers never leave this device. Scoring runs entirely in your browser. Built for self-reflection, not grades or diagnosis.