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What is the most popular blood type in the US?

Author

Noah Mitchell

Published Jan 09, 2026

O+ is the most frequently occurring blood type and is found in 37 percent of the population. O- is found in six percent of the population.

What is the healthiest blood type?

Type O negative red blood cells are considered the safest to give to anyone in a life-threatening emergency or when there's a limited supply of the exact matching blood type. That's because type O negative blood cells don't have antibodies to A, B or Rh antigens.

What are the 3 rarest blood types?

What are the 3 rarest blood types?

  • Rh-null or golden blood. It is the world's rarest blood type, with fewer than 50 known cases ever reported. ...
  • AB− AB− is the rarest of the eight basic blood types, accounting for less than one percent of the world's population. ...
  • HH blood type, rare ABO group, or Bombay blood group.

What is the least common type of blood in the USA?

Your blood type is based on genetics and whether it contains certain antigens. While AB/Rh-negative may be the rarest blood type in the United States, this is not the case worldwide.

What percentage of population is O+?

Type O positive blood is given to patients more than any other blood type, which is why it's considered the most needed blood type. 38% of the population has O positive blood, making it the most common blood type.

24 related questions found

What is golden blood type?

One of the rarest blood types in the world is Rhnull, sometimes referred to as 'golden blood'. People with this blood type have a complete absence of any of the Rh antigens.

What personality is blood type O?

Type O people have been linked to characteristics such as confidence, determination, resilience, and intuition, but they are also supposedly self-centered and unstable. They are said to especially appear selfish to individuals with Type A blood.

Is blood type A positive good?

One in three people in the United States has A positive blood type, making it the second most common in the country. As such, it can be a good type to have if a person in the U.S. needs a blood transfusion or wishes to donate blood.

What is the rarest blood type in America?

The rarest blood type in the U.S. is AB-negative, clocking in as the blood type for only 1% of the population. B-negative makes up only 2 percent of our population, followed by AB-positive at 4%.

Is O Negative the rarest blood type?

Myth: O Negative blood is the rarest blood type

Contrary to popular belief, O- blood is not the rarest blood type. It is estimated 7 percent of the population has O- blood type while only 1% of the population has AB- blood.

What my blood type says about me?

People with type O blood have the lowest risk of heart disease while people with B and AB have the highest. People with A and AB blood have the highest rates of stomach cancer. People with type A blood can have a harder time than others managing stress because they often produce more of the stress hormone cortisol.

How do I find out my blood type without a test?

Without drawing blood

A person may be able to use a saliva sample to test for their blood type. Around 80% of people produce the relevant antigens in their saliva. According to 2018 research , if a person secretes these antigens in their saliva, a dried saliva sample can reliably indicate their blood type.

Which blood group is most common in world?

The study revealed that blood group O was the commonest (37.12%) closely followed by B at 32.26%, followed by A at 22.88% and AB was the least prevalent group at 7.74%. Out of the total donor population, 94.61% were Rh (D) positive and rest 5.39%, were Rh (D) negative [Table 4].

What blood type lives the longest?

Life Span. Chances are higher you'll live longer if you have type O blood. Experts think your lowered risk of disease in your heart and blood vessels (cardiovascular disease) may be one reason for this.

What blood type has the most allergies?

Conclusion: In the study population blood group B being the most common is at high risk level for developing allergies.

Which blood group is most resistant to disease?

Carriers of blood group 0 (I) are generally more resistant to diseases, with the exception of H. pylori-associated gastrointestinal diseases. Carriers of «antigenic» blood groups A (II), B (III), AB (IV) are more susceptible to development of infectious, cardiovascular and cancer diseases.

What is the most common blood type for Caucasian?

Blood type O-negative

O-negative blood type is most common in the U.S. among Caucasian adults, at around eight percent of the Caucasian population, while only around one percent of the Asian population has O-negative blood type. Only around seven percent of.

What race has the most O positive blood type?

Most common blood type by ethnicity

African American: 47% O-positive, 24% A-positive, and 18% B-positive. Latin American: 53% O-positive, 29% A-positive, and 9% B-positive. Asian: 39% O-positive, 27% A-positive, and 25% B-positive. Caucasian: 37% O-positive, 33% A-positive, and 9% B-positive.

What blood type are Native American?

Abstract. All major ABO blood alleles are found in most populations worldwide, whereas the majority of Native Americans are nearly exclusively in the O group. O allele molecular characterization could aid in elucidating the possible causes of group O predominance in Native American populations.

What foods should blood type A avoid?

What to avoid on the A-positive blood type diet

  • beef.
  • pork.
  • lamb.
  • cow's milk.
  • potatoes, yams, and sweet potatoes.
  • certain vegetables, such as cabbage, eggplant, tomatoes, peppers, and mushrooms.
  • lima beans.
  • certain fruits, such as melons, oranges, strawberries, and mangos.

Do siblings have the same blood type?

No, siblings don't necessarily have the same blood type. It depends on the genotype of both the parents for the gene determining the blood type. E.g. Parents with the genotype AO and BO can have offspring with blood type A, B, AB or O.

Is blood type A positive rare?

Thirty-four of every 100 people have A+. These are rare blood types and less than 10 percent of the population have this blood type. This blood type is acknowledged to be the “universal recipient” because AB+ people can accept red blood cells from any other blood type.

What blood type is the smartest?

The study found that the blood group (AB) received the highest average in the Intelligence Quotient (IQ) test which is also the highest in the GPA.

Which blood group should not marry?

The correct option is: d Rh+ male and Rh– femaleExplanation:Rh factor is a protein found in blood. A person having Rh factor in blood is called Rh positive whereas that who does not carry this protein in the blood is called Rh negative. Marriage should be avoided in between Rh negative female & Rh positive male.

What are the benefits of O positive blood?

O+ blood is very important as a (mostly) universal red blood cell type. This blood type can be used in emergency situations such as traumatic bleeding or other types of emergency transfusions. It is also an important blood type as type “O” patients can only receive type “O” red blood cell transfusions.