Blood Type Chart 1
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Human Blood Type Chart - A, B, AB or O
ABO
Blood Type

Per Cent of
General
Population

Can
DONATE
Red Cells To:

Can
RECEIVE
Red Cells From:

Chance of Finding
A Compatible
Donor

O+

38.5%

O+, A+, B+, AB+

O+, O-

1 out of 2
50%

O-

6.5%

All Types
(universal donor)

O-

1 out of 15
7%

A+

34.3%

A+, AB+

A+, A-, O+, O-

4 out of 5
80%

A-

5.7%

A-, A+, AB-, AB+

A-, O-

1 out of 8
13%

B+

8.6%

B+, AB+

B+, B-, O+, O-

3 out of 5
60%

B-

1.7%

B-, B+, AB-, AB+

B-, O-

1 out of 12
9%

AB+

4.3%

AB+

All Types
(universal recipient)

100%

AB-

0.7%