Countries A B O AB Rh+ Rh-
North India (Present Study) 21.50 34.84 29.75 13.91 95.45 4.55
Britain 41.70 8.60 46.70 3.00 83.00 17.00
USA 41.00 9.00 46.00 4.00 85.00 15.00
Nigeria 24.43 23.88 48.94 2.75 95.67 4.33
Kenya 26.20 22.00 47.48 4.32 96.10 3.90
Saudi Arabia 25.00 19.00 52.00 4.00 93.00 7.00
Bangladesh 26.6 23.2 40.6 9.6 96.8 3.2
Table 3: Comparison of distribution (%) of ABO and Rh blood groups in different countries of the world.