Blood Types and Character Features of People

I was so interested in blood types and I checked up on Internet about characteristics of blood types.  Here is a mixture of 3 different texts. Enjoy.

Note: If you think it is too long, go ahead and read this instead:

Character of People according to Blood Group

Type O “Hot”

Population Roughly 38% of the world is O +ve and 6% O -ve.

Traits Confident and Strong-Willed, Proud, Dedicated, Sociable, Energetic, Extroverted, Frank, Realist, Showy, Flighty, Generalist, Positive, Independent, Risk-Takers, Dislike taking orders, Insecure, Stubborn & Self-Centered.

Make friends easily and go with flow and grasp opportunity. Quick to start a project or chase an idea. Are good at organizing activities. May have short attention span, and expresses strong emotions. May quickly take opposite views that are deep but not always durable. Classic entrepreneurs and movers and shakers.

Express their emotions but can be swayed by other blood types. Have an intrinsic elegance. Sociable and showy. May be good at adapting to circumstances. Words come easily to them. Not self conscious and will frankly reveal inner feelings. Ambitious, but may have issues with detail.

Like to be touch and be touched by others.

Type A “Cool”

Population Roughly 34% of the world is A +ve and 6% A -ve.

Traits Obedient, Careful, Sympathetic, Self-Sacrificing, Polite, Honest, Loyal, Emotional, Introverted & Nervous.

Are reserved calm and even tempered. Sensitive to public opinion. May be Introverted, shy and nervous or ill at ease with others. May be Pessimistic. Value relationships and are loyal. Hesitant to change. Nature lovers and dislike crowds – need a private place or secret hideaway. Can be indecisive. Good at team work and obey rules.

Dislike to touch or be touched by others.

Type B “Active”

Population Roughly 9% of the world is B +ve and 2% B -ve.

Traits Cheerful, Optimistic, Active, Sensitive, Kind, Forgetful, unorganized, Noisy, Egocentric

Energetic and have the drive to reach towards goals. May be workaholics. Not the best team players and are individualistic. Do things at one’s own pace. Strong personality adventurous. Likes to get one’s own way. Are Sociable and enjoy entertaining.

Like to touch or be touched by others.

Type AB “Care-Free”

Population Roughly 4% of the world is AB +ve and 1% AB -ve.

Traits Social, Easy-going, Sympathetic, Diplomatic, Outgoing, Laid-back, Creative, Unpredictable, Artistic, Flexible, Moody and Brooding.

Blend of opposites. Shy with some and bold with some. Introvert and Extrovert. Unpredictable and may seem to have calm exterior. Strong creative strain. Good at spotting problems and skirting them. Like city environment. Get bored easily. Everything they do is compelling. Never take things for granted. Appear mysterious. Contribute harmoniously to society.

Dislike to touch or be touched by others.


Personality Traits By Blood Type

Beginning in approximately 1930, the Japanese embraced the idea of matching personality traits with one’s blood type. This phenomenon is as popular in Japan as the idea of matching horoscope with personality is in the United States.Almost all Japanese are aware of their blood type. The idea began when some in the west were touting the idea that the asian peoples were more closely related to animals then humans, or lower on the evolutionary chain, since type B blood was the predominant blood type in asians and animals. As ludicrous and unscientific as this idea was, it was insulting to say the least. Modern science disproves this obviously faulted idea. In the 1930’s Furukawa Takeji (1891-1940) set out to disprove this notion and a new idea was born.

However, the idea of personality traits being influenced by blood type remains. Companies in Japan even had divided workers by blood type.

Here are the general ideas of each blood type. The Rh factor plays no role in the blood type/personality idea:

Type O:
Type O’s are outgoing, and very social. They are initiators, although they don’t always finish what they start. Creative and popular, they love to be the center of attention and appear very self confident.

Type A:
While outwardly calm, they have such high standards (perfectionists) that they tend to be balls of nerves on the inside. Type A’s are the most artistic of the blood groups. They can be shy, are conscientious, trustworthy, and sensitive.

Type B:
Goal oriented and strong minded, type B’s will start a task and continue it until completed, and completed well. Type B’s are the individualists of the blood group categories and find their own way in life.

Type AB:
Type AB’s are the split personalities of the blood groups. They can be both outgoing and shy, confident and timid. While responsible, too much responsibility will cause a problem. They are trustworthy and like to help others.

Compatability by Blood Groups:
A is most compatible with A and AB

B is most compatible with B and AB

AB is most compatible with AB, B, A and O

O is most compatible with O, and AB

To learn about the science of blood types, please research “Blood Groups and Anthropology” “Craig Medical” or “The Franklin Institute.”


Blood Type and Character Traits

Yesterday’s newspaper carried an item about the Japanese belief that blood type and personality are linked. In Japan, it’s perfectly normal to ask  “What’s your blood type?” in the course of a conversation, just as here we might ask ” What’s your ( zodiac) sign?” Until recently, job applicants in Japan were asked for their blood type and companies would make decisions about job assignments based on employees’ blood types. Children in some kindergartens are divided according to blood type so that each type can be taught according to the method best suited to their personality. Matchmaking agencies provide blood-type compatibility tests and consumer goods such as womens’ handbags, chewing gum , soft drinks and even condoms are formulated for specific blood types.

Surprisingly, such thinking is not new , having been first put forwarded by Kumata Hara in 1916. Hara was a doctor but subsequent research showed that there is no scientific basis , no link between blood types and character traits. However the idea never died down and it is rumored that during World War II, battle groups were assembled according to blood type. The notion got fresh legs in 1970, when Masahiko Nomi, an advocate with no medical background,popularised it. His son , Toshitaka, continues to push it today . Last year , this was the subject of four of the top 10 bestselling books ( one for each blood type) in Japan .

In brief, these are the supposed characteristics of each blood type:

Type A: Calm, avoid confrontation, uncomfortable around people. Shy, sometimes withdrawn, seek harmony. Never really fit in.Very responsible, creative, sensitve, most artistic, conscientous.

Type B: Most practical of the blood types. Specialists. Very focused, less than co-operative.  Strongly individualistic. Pay more attention to thoughts rather than feelings. Can seem cold, serious. Well intentioned, impulsive.

Type O : Energetic, outgoing, social. Most flexible of the blood groups. Start things but give up rather easily. Flighty, undependable. Speak their mind. Very self confident. Value the opinion of others. Considered the ” best” group in Japan.

Type AB: Hard to categorize since they are a mixture of contradictory traits e.g shy and outgoing.Trustworthy, responsible. Can’t handle too much when under pressure. Interested in art and metaphysics. Considered the “worst” group in Japan. Most anime villains are type AB. ( LOL)

As might have been expected, young women are most receptive these ideas and use them to determine who might be best suited to have a relationship with.

In general, people are compatible with others of their own blood type and with type AB. This makes me wonder why Type AB individuals are considered the ” worst” type, particularly since their characteristics don’t seem to be bad.

To us outside Japan, these ideas will  seem strange, if not foolish. Even in Japan, they persist inspite of a lack of medical evidence to support them. I suppose that if something has been around for a long time and is being constantly repeated it takes on the appearance of truth.

It doesn’t seem logical that all of humankind could be divided into just four groups. At least astrological signs, another far fetched correlation,  recognize 12 separate divisions.I know my personality doesn’t t fit the description assigned to my blood type. I have some traits belonging to Type A and some to type B and some to Type O. That’s what I’d expect.Try it yourself. Check the traits described for your blood type and see if they match.

Adolf Hitler was a blood type A and it’s hard to desribe him as ” calm” or a person who ‘d seek harmony and avoid confrontation” .. both characteristics of Type A’s.

No, the notion that blood type and character are somehow linked absolutely doesn’t make sense to me . It’s harmless providing it isn’t used to dictate the course of one’s life or  the lives of others.


Japan and blood types: Does it determine personality?

Blood types in Japanese with Japanese people showing various emotions

Are you A, B, O or AB? It is a widespread belief in Japan that character is linked to blood type. What’s behind this conventional wisdom?

Blood is one thing that unites the entire human race, but most of us don’t think about our blood group much, unless we need a transfusion. In Japan, however, blood type has big implications for life, work and love.

Here, a person’s blood type is popularly believed to determine temperament and personality. “What’s your blood type?” is often a key question in everything from matchmaking to job applications.

According to popular belief in Japan, type As are sensitive perfectionists and good team players, but over-anxious. Type Os are curious and generous but stubborn. ABs are arty but mysterious and unpredictable, and type Bs are cheerful but eccentric, individualistic and selfish.

About 40% of the Japanese population is type A and 30% are type O, whilst only 20% are type B, with AB accounting for the remaining 10%.

What’s your blood type?

  • The main blood group system is ABO, with four blood types: A, B, O, AB
  • Rhesus system, for which you can be positive or negative, is the second most important with regard to blood transfusions
  • In total there are 32 recognised blood group systems, which all have either positive or negative indicators
  • The discovery of the latest two blood types –Langereis and Junior – were announced by researchers from Vermont earlier this year

Four books describing the different blood groups characteristics became a huge publishing sensation, selling more than five million copies.

Morning television shows, newspapers and magazines often publish blood type horoscopes and discuss relationship compatibility. Many dating agencies cater to blood types, and popular anime (animations), manga (comics) and video games often mention a character’s blood type.

A whole industry of customised products has also sprung up, with soft drinks, chewing gum, bath salts and even condoms catering for different blood groups on sale.

Blood types, however, are simply determined by proteins in the blood. Although scientists regularly try to debunk these beliefs, they remain popular in Japan. One reason often given is that in a relatively uniform and homogenous society, it provides a simple framework to divide people up into easily recognisable groups.

“Being the same is considered a good thing here in Japanese society,” says translator Chie Kobayashi. “But we enjoy finding little differences that distinguish people. On the other hand, it can also lead to bad things being said about the minority B and AB types.”

It was only in 1901 that the ABO blood group system was discovered by the Austrian scientist Karl Landsteiner. His Nobel prize-winning work made it possible to identify the different blood groups, paving the way for transfusions to be carried out safely.

Theorists of eugenics later hijacked his research during the inter-war years, with the Nazis using his work to further their ideas of racial supremacy.

It was also adopted by Japan’s militarist government in the 1930s to train better soldiers, and during World War II, the Imperial Army is reported to have formed battle groups according to blood type.

The study of blood types in Japan gained mass appeal with the publication of a book in the 1970s by Masahiko Nomi, who had no medical background. More recently, his son Toshitaka went on to promote it further through a series of popular books – he also runs the Institute of Blood Type Humanics. He says his aim is not to judge or stereotype people, but simply to make the best of someone’s talents and improve human relationships.

Between them, father and son have published dozens of books on the subject, not just the handful of bestsellers.

These beliefs have been used in unusual ways.

Start Quote

Societies dominated by B types are more prone to polytheism – like Buddhism and Hinduism – with lots of gods”

Professor Maekawa

The women’s softball team that won gold for Japan at the Beijing Olympics is reported to have used blood type theories to customise training for each player. Some kindergartens have even adopted methods of teaching along blood group lines, and even major companies reportedly make decisions about assignments based on employees’ blood types.

In 1990 the Asahi Daily newspaper reported that Mitsubishi Electronics had announced the creation of a team composed entirely of AB workers, thanks to “their ability to make plans”.

These beliefs even affect politics. One former prime minister considered it important enough to reveal in his official profile that he’s a type A, whilst his opposition rival was type B. Last year a minister, Ryu Matsumoto, was forced to resign after only a week in office, when a bad-tempered encounter with local officials was televised. In his resignation speech he blamed his failings on the fact that he was blood type B.

Not everyone sees the blood type craze as simply harmless fun.

It sometimes manifests itself as prejudice and discrimination, and it seems this is so common, the Japanese now have a term for it – bura-hara, meaning blood-type harassment. There are reports of discrimination against type B and AB groups leading to children being bullied, the ending of happy relationships, and loss of job opportunities.

Despite repeated warnings, many employers continue to ask blood types at job interviews, says Terumitsu Maekawa, professor of comparative religion at Tokyo’s Asia University and author of several books about blood groups. He’s critical about sweeping popular beliefs about blood types.

“We can point out some general tendencies as a group, but you can’t say this person is good or bad because of their blood type.”

Maekawa holding two of his booksProfessor Maekawa has written several books about blood groups

His own research, he says, is based more on empirical research rather than popular superstition. In his books he explores the theory that predominant blood types may determine religious beliefs and societal norms.

In the Western world, O and A types make up almost 85% of people, but in India and Asia, B types predominate. Japan, he says, is unusual in Asia in that it has more variety of blood types.

Start Quote

They think I am weird and strange – lots of people tell me they don’t understand what I am thinking about”

Masako, who has the rarer AB type blood

“A type societies tend to be characterised by monotheism such as Christianity and Judaism, with one fundamental analysis of human beings and a strong sense of societal norms. But societies dominated by B types are more prone to polytheism – like Buddhism and Hinduism – with lots of gods, and they think people are all different.”

Professor Maekawa, himself type B, says in Japan his blood group is often criticised for being too individualistic and selfish.

“It isn’t very nice. But it doesn’t annoy me or hurt me, because it has no scientific basis at all.”

In a smart state-of-the-art clinic busy with lots of people donating blood, director Akishko Akano says he’s not aware that the negative image of certain blood types has an impact on their work, or dissuades minority B and AB types from coming forward. A bigger problem in Japan’s rapidly ageing society, he says, is persuading enough young people to volunteer as blood donors.

Masako giving blood in hospital
Masako, who has type AB, has donated blood eight times

In the next room, I find Masako, lying on a bed strapped to a quietly purring machine as a nurse takes samples. This is the eighth time she’s given blood. Her blood type is AB, which is rare as it accounts for only 10% of people in Japan.

“People sometimes don’t like me,” she tells me. “They think I am weird and strange. Lots of people tell me they don’t understand what I am thinking about.”

Although Masako laughs as she tells me this, it seems that in Japan, no amount of scientific debunking can kill the widely held notion that blood tells all.


14 thoughts on “Blood Types and Character Features of People

  1. Howdy just wanted to give you a quick heads up and let you know a few of
    the pictures aren’t loading correctly. I’m not sure why but I think its a linking
    issue. I’ve tried it in two different web browsers and both show the same

  2. I’m a mind and blood group specialist my self and
    Your article is very correct and detail and straight to the point.
    Thank you.

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