What Is The Most Common Blood Type In Humans

April 08, 2021

Type o is routinely in short supply and in high demand by hospitals both because it is the most common blood type and because type o negative blood is the universal blood type needed for emergency transfusions and for immune deficient infants. 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.

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O a b and ab.

What is the most common blood type in humans. Most people have one of these types. These antigens may be proteins carbohydrates glycoproteins or glycolipids depending on the blood group system. The universal donor is blood type o and the universal receiver is type ab.

Here s a breakdown of the most rare and common blood types by ethnicity according to the american red cross. Rare blood types do exist and people with these typically have to bank their own blood over time for use in an emergency. What blood types are most common to least in races.

Combining these two characteristics yields the eight most common blood types. Blood type o rh is the most common with around 40 of all humans having this type. It is followed by a rh at 31.

There are four main blood types. 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.

A negative 6 3 percent ab positive 3 4 percent b negative 1 5 percent ab negative 0 6 percent 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. Type o is the most common in humans as well but those with it can only receive type o. Although o is the most common blood type in the united states the percentage of people with this blood type varies by ethnicity.

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