What is the Most Common Blood Type in the U

Question

What is the most common blood type in the U.S. population?
A) type O-
B) type B+
C) type AB-
D) type O+

Accepted Answer

Type O+ is the most common blood type in the U.S. population, with approximately 38% of people having this blood type according to the American Red Cross. Type O- is the universal donor and can be given to any blood type, but it is less common with only approximately 7% of people having this blood type. Type B+ and AB- are even less common with approximately 9% and 1% of people having these blood types, respectively.