This means blood types can run in the family and certain blood types are more common in certain communities.” Blood basics Most people have about 4 to 6 liters of blood in their body.

As the chart shows, if you have the type AB+, you have the luxury of being able to accept all blood types, whereas somebody with O- is severely restricted, only actually able to receive O- blood.

According to the charts, the 10 countries with the highest prevalence of type A+ blood are: Armenia, Norway, Malta, Cyprus, Portugal, Japan, France, Switzerland and Turkey.