Blood Types Percentage
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Only 7 of the population are o negative.
In china over 99 percent of the population has rh blood.
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Blood types percentage. The least common is ab 1 percent. Certain blood types are more common in certain countries. What percentage of the world population are left handed. It is found in up to 10 of the population in japan korea and china but is extremely rare in other regions.
The americas the o blood type is the most common around the globe and is carried by nearly 100 of those living in south america. Different kinds of animals have different kinds of blood. The stanford school of medicine blood center ranks blood types in the united states from rarest to most common as follows. Types o negative and o positive are in high demand.
Your blood type is a combination of these two systems. Why are blood types important. Genes determine blood type abo as well as rh. Distribution of blood types the most common blood type among americans is o 38 percent.
The ab blood type is the rarest of all. These antigens may be proteins carbohydrates glycoproteins or glycolipids depending on the blood group system. Rank blood type world population 1. Countries by percentage of world population.
Blood type is inherited just like eye color. The presence or absence of the rh d antigen is signified by the or sign so that for example the a group is abo type a and does not have the rh d antigen. Before the advent of dna sequencing and human leukocyte antigens hlas typing blood type was the basis of paternity testing. Approximately 45 percent of caucasians are type o positive or negative but 51 percent of african americans and 57 percent of hispanics are type o.
Minority and diverse populations therefore play a critical role in meeting the constant need for blood. When someone is given a blood transfusion its best to give them blood thats the same type as their own. Ab negative 6 percent b negative 15 percent ab positive 34 percent a negative 63 percent o negative 66 percent b positive 85 percent a positive 357 percent. Rh negative blood types are much less common in asian populations 03 than they are in european populations 15.
Abo and rh distribution by country. For example by percentage of population the most common blood type in australia is o positive and the least common is ab negative.