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What is the least common blood type?

Updated: 4/28/2022
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9y ago

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Officially, there are 8 different types of blood but it is close since there are positive and negative versions of blood types A,B,AB, and O. But the least common type would be blood type AB-.

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10y ago
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12y ago

They're are four blood types, which are A, B, O, and AB. Well the most common blood type in humans is blood type O, almost 45 percent of the worlds population is blood type O. The least common blood type in humans is AB.

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9y ago

AB negative...Only 1% of the population has this blood type
The least common blood type is AB negative. Only about 4 percent of people are said to have this blood type.

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11y ago

The least common blood type is AB negative.

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