The most popular blood type in the world is O positive (O+).
While the distribution of blood types varies across different ethnic and racial groups, O+ is generally the most common blood type globally. It's estimated that around 37% of the world's population has O+ blood.
Here's a breakdown of blood type prevalence (approximate values, can vary by region):
- O+: Most common
- A+: Second most common
- B+: Less common than A+
- O-: Relatively common, especially important as the "universal donor"
- A-: Less common than A+
- B-: Less common than B+
- AB+: Relatively rare
- AB-: Rarest blood type
The popularity of O+ blood underscores its importance in blood transfusions and donations, even though O- blood is the universal donor. Having a readily available supply of O+ blood is crucial for healthcare systems worldwide.
