According to Anna Fleck from Statista, the map below shows the most common blood types around the world, with O positive being the most prevalent blood group globally.
World Blood Donor Day is organized every June 14 by the World Health Organization with the aim of raising public awareness about the need for safe blood, plasma and platelets as well as to celebrate the many people who save lives through their blood donations.
There are four different types of blood: A, B, O and AB. Each of...