Most To Least Common Blood Types

March 28, 2021

And here s a more precise percentage breakdown from most common to least common blood types in the us. It s safe for most recipients because it does not have any a b or rhd antigens on the.

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That being said b blood is the least common group across the globe.

Most to least common blood types. Although o is the most common blood type in the united states the percentage of people with this blood type varies by ethnicity. Is ab with less than 1 of the population having this type. The least common blood type in the u s.

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. Here s a breakdown of the most rare and common blood types by. Using data from wikipedia and the standford blood center reddit user foiltape put together this pie chart that shows the most common and least common blood types in the us.

By rachael rettner senior writer april 01 2019 in general the rarest blood type is ab negative and the most common is o positive. 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. 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. 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. The stanford school of medicine blood center ranks blood types in the united.

However in the united states ab negative is considered to be the rarest blood type and o positive the most common. Dean 2005 2 1 4. O positive 37 4 percent a positive 35 7 percent b positive 8 5 percent.

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. Statistics from the american red cross show that the following are the most rare forms of the. Across the world rh blood is much more common than rh blood.

It s often used in medical emergencies when the blood type is not immediately known. About 27 42 of the world s population has a blood so donations from people with this blood type are always welcome so that the less common blood types can be saved for the those with rarer blood types and emergencies. Only around 16 of the world s population has it.

About 85 of the uk population is rhd positive 36 of the population has o the most common type. In most cases o rhd negative blood o can safely be given to anyone. A blood is the second most common blood type just behind o.

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