Blood Type.

Korean & Japanese pop culture

Which blood type matches your personality?

In Korea and Japan, people ask "what's your blood type?" the way others ask about star signs. Answer 20 quick statements and see which type you sound like. Takes about two minutes.

1 / 20

I check the plan twice before leaving the house.

DisagreeAgree

Just for fun: there is no scientific link between blood type and personality. Your answers stay in your browser.

Meet the four types

A The Planner Careful, considerate, quietly holding everything together. Organized · Sensitive · Loyal B The Free Spirit Curious, honest, and happily marching to their own beat. Curious · Honest · Passionate O The Leader Warm, confident, and the first to say "let's go". Confident · Sociable · Generous AB The Mystery Calm, rational, and harder to read than you think. Rational · Calm · Creative
💞 Blood type compatibility Pick two types and see how the match is rated in Korean and Japanese charts. 🧬 Baby blood type calculator Real genetics: which blood types your child could have, with Rh factor.

Where does this idea come from?

In 1927 a Japanese education researcher, Takeji Furukawa, published a paper claiming that blood types were linked to temperament. The idea faded, then came back in the 1970s through popular books by broadcaster Masahiko Nomi. Since then it has become part of everyday conversation in Japan and South Korea: dating shows ask about it, K-pop idols list it in their profiles and friends joke about "such a type B thing to do".

Large studies have found no meaningful link between ABO blood groups and personality. That is why we treat this test like a horoscope: a fun way to talk about yourself, not a diagnosis. Read more in Is blood type personality real?

Questions people ask

Will this test tell me my actual blood type?

No. It tells you which pop-culture personality you sound most like. Your real blood type can only be found with a blood test, for example when you donate blood or through your doctor.

Why is blood type personality so popular in Korea and Japan?

Almost everyone there knows their blood type, the four groups are spread fairly evenly, and the idea spread through bestselling books, magazines and TV in the 1970s–2000s. It works as an easy icebreaker. More on Korea.

Which blood type is the rarest?

Worldwide AB is the least common ABO group, at roughly 4% of people. In Korea and Japan it is about 10%. With the Rh factor included, AB negative is the rarest common type. See the numbers by country.

Is my answer data stored anywhere?

No. The test runs entirely in your browser and nothing you click is sent to us.