bloodtype
school Blood Discovery Hub
Know Your Blood.
Know Your Blood.
Save a Life.
Learn about blood types, compatibility, donation eligibility, and take a quiz to test your knowledge. Share this knowledge to save more lives across Ghana.
The 8 Blood Types Explained
A+
A Positive
~30% of population
Can donate to A+, AB+
A-
A Negative
~6% of population
Can donate to A±, AB±
B+
B Positive
~9% of population
Can donate to B+, AB+
B-
B Negative
~2% of population
Can donate to B±, AB±
O+
O Positive
~38% of population
Most common type
O-
O Negative
~7% of population
Universal donor 🌍
AB+
AB Positive
~3% of population
Universal recipient
AB-
AB Negative
~1% of population
Rarest type
Blood Compatibility Chart
| Donor Type | O- | O+ | A- | A+ | B- | B+ | AB- | AB+ |
|---|
info ✓ = Compatible | ✗ = Not Compatible
Eligibility Self-Check
Answer these questions to see if you're currently eligible to donate blood.
Blood Knowledge Quiz
Test what you've learned. 5 questions — can you get them all?