Most Common Blood Type In America

February 15, 2021

There are four major blood groups determined by the presence or absence of two antigens a and b on the surface of red blood cells. The least common blood type in the u s.

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Most common blood type in america. 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. In addition to the a and b antigens there is a protein called the rh factor which can be either present or absent creating the 8 most common blood types a a b b o o ab ab. Blood type b is completely absent in most north and south american indians.

Central and eastern europe type a is common in central and eastern europe. Here s a breakdown of the most rare and common blood types by ethnicity according to the american red cross. For example 37 of caucasians are blood type o while african americans account for 47 hispanics account for 53 and 39 of asians have this blood type.

In general the rarest blood type is ab negative and the most common is o positive. Is ab with less than 1 of the population having this type. It has been proven that type o is the most ancient blood type on mother earth carried in the veins of the original indigenous nations of north south central america nations.

Blood type b makes up only 10 of the population while blood type ab is the rarest at 4. 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. Statistics from the american red cross show that the following are the most rare forms of the.

Although o is the most common blood type in the united states the percentage of people with this blood type varies by ethnicity. Meanwhile people with blood type o the most common blood type appear to be somewhat protected from the effects of the coronavirus compared to people with other blood types.

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