Blood Types Percentage World

December 03, 2020

The most common blood type among americans is o 38 percent. Here s a breakdown of the most rare and common blood types by ethnicity according to the american red cross.

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This list concerns blood type distribution between countries and regions blood type also called a blood group is a classification of blood based on the presence and absence of antibodies and inherited antigenic substances on the surface of red blood cells rbcs.

Blood types percentage world. Blood types around the world. A blood type also known as a blood group is a classification of blood based on the presence and absence of antibodies and inherited antigenic substances on the surface of red blood cells rbcs. World population by percentage of blood types.

Rh null aka golden blood is the rarest blood type in the world with fewer than 50 43 to be exact known cases ever reported. O a b and ab. The o blood type is the most common blood type around the world.

Genes determine blood type abo as well as rh. Blood type frequencies by country including the rh factor. World population by percentage of blood types rank blood type percentage of the world s population.

By victoria simpson on august 24 2020 in did you know. 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. Blood groups are categorized by antibodies and substances contained or lacking in the blood.

Below are some of the sources as well as additional information to the blood type frequencies by countries. There are four main blood types. These antigens may be proteins carbohydrates glycoproteins or glycolipids depending on the blood group system some of these antigens are also present on the surface of other types of cells of.

If you have a rare blood type or are a universal donor consider donating. If a family member requires a tranfusion and your blood types match you could potentially save their life by donating blood. A big thank you to lasse westvang hougaard for contributing to these studies.

While there are only eight main common blood types there are an additional 61 possible antigens in the rh system which means that the eight main blood types can be subdivided into millions of different blood types. Blood types vary depending on the geographical region. 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.

These antigens may be proteins carbohydrates glycoproteins or glycolipids depending on the blood group system. Scandinavians have a high probability of carrying the a blood type while those indigenous to central asia are more likely to carry the b blood type. Distribution of blood types.

Before the advent of dna sequencing and human leukocyte antigens typing blood type was the basis of paternity testing. The percentage of rh negatives worldwide is somewhere around 6. In general the rarest blood type is ab negative and the most common is o positive.

The least common is ab 1 percent.

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