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-). Globally, the overall rarest common blood type is AB negative, followed by B negative.

One of the rarest blood types in the world is Rh-null, which lacks any antigens in the Rh system . As well as supplying rare blood to people in England, we can also help find rare blood for people in other countries. Therefore, in general we can also say that Rh- blood types are rarer than Rh+ blood types. Blood is a lot more complex than it looks. The O blood type is the most common around the globe, and is carried by nearly 100% of those living in South America. There are also several diseases with rare or mutated antigens, which are surface signaling molecules on the blood cells, which give individuals incredibly unique blood types. O+ blood is the most common blood type in the world and while it is not quite as universal as O- blood (O+ can be given to all Rh positive types but not the Rh negative types), it is still the most used blood, according to the American Red Cross. According to the American Red Cross, there … About 85% of the UK population is RhD positive (36% of the population has O+, the most common type). Blood typing, blood groups around the world, and the genetics of blood types are discussed in this article. O Positive blood is the eighth most rare type, i.e. Therefore, it is important that blood types be matched before blood transfusions take place. As far as the blood type possessed by the population, O- is not the rarest. Blood Type O: The Americas. Sport and exercising. Some people are more prone to stress while others are more skillful in resisting it. In an emergency, type O blood can be given because it is most likely to be accepted by all blood types. It's often used in medical emergencies when the blood type is not immediately known. 5. It is found in up to 10% of the population in Japan, Korea, and China, but is extremely rare in other regions. The ones we all know. Learn about other blood types and their compatibilities in this article. A blood type is considered rare if fewer than 1 in 1,000 people have it. The rarest of these is type AB–. As far as the blood type possessed by the population, O- is not the rarest. the most common type! These four groups are the most important because they indicate which blood type a patient can safely receive in a transfusion.