← Back to All Blood Types
O+
Most common blood type worldwide
O positive is the most common blood type, found in approximately 37% of the population. It lacks A and B antigens but has the Rh factor, making it compatible with all positive blood types.
→ Can Donate To
O+✓ Compatible
A+✓ Compatible
B+✓ Compatible
AB+✓ Compatible
O+ blood can be donated to 4 type(s).
← Can Receive From
O+✓ Compatible
O-✓ Compatible
O+ blood can receive from 2 type(s).
Rh Factor
Has the Rh factor (D antigen) on red blood cells. Rh positive is dominant.
Learn more about Rh factor →Population Frequency by Ethnicity
Caucasian37%
African American47%
Asian39%
Hispanic53%
Interesting Facts
- •Most requested blood type by hospitals due to its versatility
- •Can donate to all positive blood types (O+, A+, B+, AB+)
- •Particularly common in Hispanic populations (53%)
- •Second-best for emergency transfusions (after O-)
Educational Information: This information is provided for educational purposes only. Always consult with healthcare professionals for medical advice, blood transfusions, and pregnancy-related concerns.