Blood Types: Distribution Stats, Interesting Facts
So I want to take a look at the over all distribution of blood types across the world and US.
Who Has Which Blood Type?
Blood Types Percentage of US Population
O+ 38.4%
O- 7.7%
A+ 32.3%
A- 6.5%
B+ 9.4%
B- 1.7%
AB+ 3.2%
AB- 0.7%
So the way that a blood donation works is that a certain ‘Class’ or ‘Type’ of blood are known as universals and can be used for blood transfusions for complimentary types.
Here is how is breaks down:
|
|
An ‘X’ denotes a blood type that is compatible with another. | ||||||||
| O - | O + | B - | B + | A - | A + | AB - | AB | ||
|
B T |
AB | X | X | X | X | X | X | X | X |
| AB - | X | X | X | X | |||||
| A + | X | X | X | X | |||||
| A - | X | X | |||||||
| B + | X | X | X | X | |||||
| B - | X | X | |||||||
| O + | X | X | |||||||
| O - | X | ||||||||
Here is the worldwide distribution of blood types. This is very interesting because it deals with the evolution of man and how race places a part in different blood types.
For blood type family ‘A’

Blood type family ‘B’

Blood type family ‘O’

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