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. Author manuscript; available in PMC: 2020 Aug 5.
Published in final edited form as: J Allergy Clin Immunol Pract. 2018 Mar 3;6(5):1790–1791.e3. doi: 10.1016/j.jaip.2018.02.010

TABLE E3.

ABO blood type distributions by ethnicity and population

ABO type (frequency)
Population O A B AB Reference
USA-C 0.450 0.400 0.110 0.040 ARC, 2017E4
USA-AA 0.520 0.260 0.190 0.043 ARC, 2017E4
USA-AS 0.400 0.275 0.254 0.071 ARC, 2017E4
Japan 0.293 0.387 0.222 0.100 Fujita et al, 1978E6
Sweden 0.390 0.460 0.107 0.043 Beckman and Martensson, 1957E7
Spain 0.450 0.420 0.090 0.040 FEDS, 2016E5

AA, African American; ARC, American Red Cross; AS, Asian; C, Caucasian; FEDS, Federación Española de Donantes de Sangre.

Data are expressed as proportions.