Are you an outgoing person, hotheaded or shy? It might be because of where you fall on the blood typing chart! In Japan, blood types are a popular way to understand people’s personalities and love compatibility. Understanding your blood type can be fun to learn about your friends, family, and favorite anime characters!

Blood Typing Chart: History

Generally, Japanese people use blood types, like star signs and MBTI, to examine people’s strengths and weaknesses. Furukawa Takeji, a Tokyo Women’s Teacher’s School professor, first theorized about blood types and personality in 1931.

Accordingly, his theory said that temperamental differences between student applicants are related to their blood type. The academic field considered his research controversial due to insufficient scientific proof.

Despite the controversial research, his work influenced others, such as Masahiko Nomi. Masahiko Nomi, a journalist who published several books about blood types that are still popular today, with some books selling over 5 million copies!

Blood type personalities are ketsueki-gata in Japanese. Ketsueki-gata takes the core concepts of Furukawa Takeji to a whole new level because it teaches us about compatibility, strengths, and weaknesses.

Type O

According to ketsueki-gata, if your blood type is O, you are a natural-born leader. People feel your presence when you call and a room, and you’re able to influence their energy! The Japanese word for such bright people is rakkanshugi.

Your strengths are always being undeniably optimistic, confident, and reliable! Your weaknesses are jealousy, self-centeredness, and sometimes or cold to others. Regarding romance, blood type O people are most compatible with blood types A and B! They are least compatible with O and AB blood types.

Haruhi Fujioka from the series Ouran High School Club is a popular Type O anime character. People love Haruhi for her straightforward and confident attitude and for lighting up the room when she walks in. She also had a robust and optimistic attitude which helped bring out the best in her friends!

Type A

In Japanese, those with blood type A are kichōmen or ‘well-organized’ in English. People often associate you with being a planner and prepared for any situation! If you have blood type A, you are a very responsible perfectionist who is neat and has strong attention to detail!

Your strengths lie in your organization, patience, and capacity for love! However, your weaknesses are that you may be stubborn and find it hard to relax and multitask. Regarding romance, blood type A people are most compatible with A and AB blood types. They are least compatible with O and B blood types.

Nevertheless, the popular anime character of this blood type is Ami Mizuno, Sailor Mercury from the Sailor Moon series. Ami is famous for being her team’s most organized and responsible sailor scout. In particular, she paid strong attention to detail, which often resulted in victory!

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Type B

In Japanese, those with blood type B are sometimes called Jikochū or selfish in English. You’re the ideal candidate when people need an artistic or innovative idea! If you have blood type B you are seen to be creative, passionate, and wild!

Most importantly, your strengths are that you are very flexible and innovative. Your weaknesses are that sometimes you can be selfish, uncooperative, and erratic. Regarding romance, blood type B people are most compatible with O and B blood types. They are least compatible with A and AB blood types.

Naruto Uzumaki from the series Naruto is a popular anime character of this blood type. Naruto is known for his wild and passionate energy and sometimes for being misunderstood as selfish. Due to his power, many people sought him out, allowing him to become a very dependable character in the series. 

Type AB

In Japanese, those with the blood type AB are sometimes called kawarimono or eccentric in English. People often see you as someone who can quickly adapt to any situation! If you have blood type AB, you are not just a combination of types A and B; you are rational and charming!

Your strengths are that you are very empathic, analytical, and good at adapting to new situations. Your weaknesses are that sometimes you can be shy and isolate yourself from others. Regarding romance, blood type AB people are most compatible with the A and AB blood types. They are least compatible with O and B blood types.

A popular anime character of this blood type is Mikasa Ackerman from Attack on Titan. Misaka is known for her ability to adapt to challenging situations and for being grounded. She is also timid and keeps to herself, but when in good company, she sometimes shows her bright and eccentric side. 

The blood typing chart can be a fun conversation breaker the next time you meet with friends or family. It’s important to remember that all types have strengths and weaknesses! If you know the blood types of your friends and family, let us know in the comments below if you think these characteristics are accurate!