![]() The rarest, meanwhile, is AB-, with only 0.40% of the population having this particular blood type.īreaking it down to the national level, these statistics begin to change. Of the 7.9 billion people living in the world, spread across 195 countries and 7 continents, the most common blood type is O+, with over 39% of the world’s population falling under this classification. ![]() Using data sourced from Wikipedia, we can map the most widespread blood types across the globe. The antigens in one’s blood determine their blood type classification: There are eight common blood type groups, and with different combinations of antigens and classifications, 36 human blood type groups in total. ![]() It dispenses crucial nutrients throughout the body, exchanges oxygen and carbon dioxide, and carries our immune system’s “militia” of white blood cells and antibodies to stave off infections.īut not all blood is the same. Many donors are lost each year because they have changed thier address.The Most Widespread Blood Types, by Countryīlood is essential to the human body’s functioning. If you have changed your address please inform NHS Blood and Transplant.
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