Blood Type By Percentage Of Population

April 10, 2021

The least common is ab 1 percent. In comparison only 39 of asians and 37 of caucasians have this type.

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The most common blood type among americans is o 38 percent.

Blood type by percentage of population. Up to 53 of latin americans and 47 of african americans have blood type o. Blood type b is more common in asians 25 and less common in latin americans and caucasians both at 9. Blood group b has its highest frequency in south asia where it ranks first as the largest share of the earth s population in southeast asia the share of the population is high especially in thailand and indonesia secondarily in east asia northern asia and neighboring central asia and its incidence diminishes both towards the east and the west falling to single digit percentages in.

Some blood types are more common in certain groups. 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. Before the advent of dna sequencing and human leukocyte antigens hlas typing blood type was the basis of paternity testing.

Genes determine blood type abo as well as rh. Blood type b makes up only 10 of the population. Here s a breakdown of the most rare and common blood types by ethnicity according to the american red cross.

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