Blood Type Compatibility
Understanding blood type compatibility is crucial for safe transfusions. Use our interactive tools to learn which blood types can donate to or receive from each other.
Interactive Compatibility Checker
Select your blood type and explore compatibility options
Select Your Blood Type
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Blood Type: O+
O+ is the most common blood type. O+ patients can only receive blood from O+ and O- donors, but can donate to all positive blood types.
Population:
37.4%
Can Donate To:
4 types
O+ Can Donate To:
A+
35.7% population
A-
6.3% population
B+
8.5% population
B-
1.5% population
AB+
3.4% population
AB-
0.6% population
O+
37.4% population
O-
6.6% population
Essential Blood Type Facts
Important information every donor should know
O- is known as the universal donor because it can be given to any blood type. This makes O- blood especially valuable in emergency situations.
AB+ is known as the universal recipient because it can receive blood from any blood type. However, AB+ donors can only donate to other AB+ recipients.
O+ is the most common blood type, found in about 37.4% of the population. This means O+ blood is frequently needed for transfusions.
AB- is the rarest blood type, found in only about 0.6% of the population. This makes AB- donors especially valuable for AB- patients.
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Know Your Blood Type?
Knowing your blood type is important for medical emergencies. If you don't know yours, consider donating blood to find out while helping save lives.