Blood Type Common World

December 25, 2020

Blood types around the world. In general the rarest blood type is ab negative and the most common is o positive.

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Below is a chart showing blood types a b ab o and rh rhesus status rh positive and rh negative by country.

Blood type common world. The least common blood types are type b negative and type ab negative. Is ab with less than 1 of the population having this type. If both of your parents have blood type a then your blood type will either be type a or o.

Blood type a in both parents. 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. Statistics from the american red cross show that the following are the most rare forms of the.

The least common blood type in the u s. 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. Dean 2005 2 1 4.

The o blood type is the most common blood type around the world. Some blood types are more common in certain groups. The highest frequencies are found in small unrelated populations.

Additionally rh positive blood types are much more common than rh negative blood types which is another reason why o blood is always needed and. Blood type b is more common in asians 25 and less common in latin americans and caucasians both at 9. Here s a breakdown of the most rare and common blood types by ethnicity according to the american red cross.

The most common blood type. If you don t know your type ask your doctor midwife. Central and eastern europe type a is common in central and eastern europe.

Broken down by race type o positive s prevalence is 37 among caucasians 47 among african americans 39 among asians and 53 among latino americans according to the american red cross. The most common blood types are a or o. You ll find below a few factors on how a particular blood type is formed which has made o the most common blood type.

In comparison only 39 of asians and 37 of caucasians have this type. Up to 53 of latin americans and 47 of african americans have blood type o. In the united states type o positive is the most common blood type.

In countries such as austria denmark norway and switzerland about 45 50 of the population have this blood type whereas about 40 of poles and ukrainians do so. Blood types vary depending on the geographical region. Typically when blood is drawn at an early prenatal visit your blood will be tested to determine both blood type and rh factor.

Type o is the most demanded blood type in hospitals both because it s the most common and because o negative blood is a universal donor type meaning it is compatible with any blood type.

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