Chinese
Type A blood: 28%, type B blood: 24%, type O blood: 4 1%, type AB blood: 7% (the proportion of type O blood decreases from South China to North China. Type O blood is a representative blood type in Southeast Asia. )
Korean
Type A blood: 34.2%, type B blood: 27. 1%, type O blood: 27.4%, type AB blood:1.3%.
Japanese
Type A blood: 38. 1%, type B blood: 2 1.8%, type O blood: 30.7%, type AB blood: 9.4%.
Indian
Type a blood: 2 1%, type b blood: 40%, type o blood: 3 1%, type AB blood: 8% (the proportion of type b blood decreases from north to south. There are more O-type blood in southern China. )
Afro-American
Type A blood: 29%, type B blood: 18%, type O blood: 49%, type AB blood: 4%.
Type A and type O occupy the top two populations in European countries.