Human BodyBlood and Circulation |
Which of the major blood types are the most common in the United States? |
The following table lists the blood types and their rate of occurrence in the United States.
| Distribution of Blood Types in the United States | |
| Blood Type | Frequency |
| O | 37.4% |
| O– | 6.6% |
| A | 35.7% |
| A– | 6.3% |
| B | 8.5% |
| B– | 1.5% |
| AB | 2.4% |
| AB- | 0.6% |