Blood Type Us Population
O negative is the universal blood type this means anyone can receive o negative blood. Is ab with less than 1 of the population having this type.
But note that not all of the ethnic groups share the same proportions of the b positive blood type.
Blood type us population. The presence or absence of these can make a person have a rare blood type and it could be that there are some that have yet to be discovered. Statistics from the american red cross show that the following are the most rare forms of the. The universal plasma donor has type ab blood.
And if you disregard the rh and rh blood type classification system and just look at o a b and ab blood types the most prevalent blood type in the us is blood type o 44 with blood type a at a close second 42. Blood type b makes up only 10 of the population while blood type ab is the rarest at 4. About 42 of the global population has type o blood but just 3 have type o.
There are also over 600 other known antigens that have been found in people to date. Only 18 of people in the u s. Though collectively there are more than 40 identified antigens in the rh blood type system nearly all antibody response arises from rh d antigens.
However the need for o negative blood is the highest because it is used most often during emergencies. Have a negative blood type. Here s a breakdown of the most rare and common blood types by ethnicity according to the american red cross.
The need for o is high because it is the most frequently occurring blood type 37 of the population. This blood type is present in about 9 in caucasians 18 in african american 9 in hispanic and 25 in asian. Most blood type classifications represent the abo type and rh status together as in ab or o.
In countries such as austria denmark norway and switzerland about 45 50 of the population have this blood type whereas about 40 of poles and ukrainians do so. Scientific facts negative blood types. In general the rarest blood type is ab negative and the most common is o positive.
Yet when someone with a negative blood type needs blood only another person with a negative type can save his or her life. Abo type rh type how many have it. This means an approximately 8 5 of the population has a b positive blood.
The least common blood type in the u s. The highest frequencies are found in small unrelated populations. Dean 2005 2 1 4.
The universal red cell donor has type o negative blood. Less than 15 percent of the american population has rh blood. Central and eastern europe type a is common in central and eastern europe.
Abo and rh blood type frequencies in the united states.
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