Most common blood type in world

By Emily Blake

Most people worldwide are  O+ positive, accounting for 37% of the population.

O positive

1.

O+

A+, the second most prevalent blood type, is found in 32% of the world.

A positive

2.

A+

Third on the list is B+, which is found in around 8% of the world's population.

B positive

3.

B+

Fourth on the list is O-, which is found in around 7% of the world's population.

O Negative

4.

O-

About 6% of the world's population has A-, another unusual blood type.

A negative

5.

A-

Only 2% of people globally have B-, even uncommon than A-.

B negative

6.

B-

AB+, the rarest blood type, is only 1% of the global population.

AB positive 

7.

AB+