Oklahoma Blood Type Donor Guides

Learn about all 8 ABO/Rh blood types — who can donate to whom, demand levels in Oklahoma, compatibility charts, and how to schedule your donation.

The most common blood type — and one of the most needed.

38% of Oklahomans have O+ blood

The universal donor — safe for every patient in every emergency.

7% of Oklahomans have O− blood

The second most common type — and essential for platelet patients.

28% of Oklahomans have A+ blood

Rare and versatile — A− donors are always needed.

6% of Oklahomans have A− blood

Steady demand, real impact — B+ donors matter.

9% of Oklahomans have B+ blood

One of the rarest types — and among the most needed.

2% of Oklahomans have B− blood

Universal recipient AND universal plasma donor.

3% of Oklahomans have AB+ blood

The rarest blood type in Oklahoma — and among the most versatile.

1% of Oklahomans have AB− blood

Don't know your blood type?

Donate whole blood and we'll tell you your blood type for free — along with other health markers. It's one of the perks of donation.

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