Blood type distribution by country

This list concerns blood type distribution between countries and regions. Blood type (also called a blood group) is a classification of blood, based on the presence and absence of antibodies and inherited antigenic substances on the surface of red blood cells (RBCs). These antigens may be proteins, carbohydrates, glycoproteins, or glycolipids, depending on the blood group system.

ABO and distribution by country
ABO and Rh blood type distribution by country & dependency (population averages)
Country/Dependency Population[1] O+A+B+AB+O−A−B−AB−
 Argentina 44,270,44045.4%34.26%8.59%2.64%8.4%0.44%0.21%0.06%
 Armenia[2] 2,931,56829.0%46.3%12.0%5.6%2.0%3.7%1.0%0.4%
 Australia[3] 24,642,69340.0%31.0%8.0%2.0%9.0%7.0%2.0%1.0%
 Austria[4] 8,592,47030.0%37.0%12.0%5.0%6.0%7.0%2.0%1.0%
 Bahrain 1,418,69548.48%19.35%22.61%3.67%3.27%1.33%1.04%0.25%
 Bangladesh 164,833,66731.8%21.44%34.58%16.85%1.39%0.96%0.96%0.64%
 Belgium[5] 11,444,05338.0%34.0%8.6%4.1%7.0%6.0%1.5%0.8%
 Bolivia 11,053,37651.53%29.45%10.11%1.15%4.39%2.73%0.54%0.1%
 Bosnia and Herzegovina 3,792,73031.0%36.0%12.0%6.0%5.0%7.0%2.0%1.0%
 Brazil[6] 211,248,41836.0%34.0%8.0%2.5%9.0%8.0%2.0%0.5%
 Bulgaria 7,045,09728.0%37.0%13.0%7.0%5.0%7.0%2.0%1.0%
 Cambodia 16,077,17246.7%27.2%18.5%4.9%1.3%0.8%0.5%0.1%
 Cameroon 24,515,53342.8%38.8%12.0%3.3%1.4%1.2%0.4%0.1%
 Canada[7] 36,627,14039.0%36.0%7.6%2.5%7.0%6.0%1.4%0.5%
 Chile 18,314,06085.5%8.7%3.35%1.0%1.2%0.1%0.05%0.1%
 China, Mainland 1,388,251,02347.7%27.8%18.9%5.0%0.28%0.19%0.1%0.03%
 Colombia 49,069,26761.3%26.11%2.28%1.47%5.13%2.7%0.7%0.31%
 Croatia 4,207,35529.0%36.0%15.0%5.0%5.0%6.0%3.0%1.0%
 Cuba 11,486,75045.8%33.5%10.2%2.9%3.6%2.8%1.0%0.2%
 Cyprus[8] 1,189,39535.22%40.35%11.11%4.72%3.85%3.48%0.87%0.40%
 Czech Republic[9] 10,555,15227.0%36.0%15.0%7.0%5.0%6.0%3.0%1.0%
 Democratic Republic of the Congo 85,358,11159.5%21.3%15.2%2.4%1.0%0.3%0.2%0.1%
 Denmark[10] 5,711,90235.0%37.0%8.0%4.0%6.0%7.0%2.0%1.0%
 Dominican Republic 10,766,93246.2%26.4%16.9%3.1%3.7%2.1%1.4%0.2%
 Ecuador 16,665,75675.0%14.0%7.1%0.5%2.38%0.7%0.3%0.02%
 Egypt 95,220,83852.0%24.0%12.4%3.8%5.0%2.0%0.6%0.2%
 El Salvador[11] 6,171,48362.0%23.0%11.0%1.0%1.0%1.0%0.7%0.3%
 Estonia[12] 1,305,74529.5%30.8%20.7%6.3%4.3%4.5%3.0%0.9%
 Ethiopia 104,352,72739.0%28.0%21.0%5.0%3.0%2.0%1.0%1.0%
 Fiji 912,20843.0%33.3%16.5%4.8%1.0%0.7%0.5%0.2%
 Finland[13] 5,541,32828.0%35.0%16.0%7.0%5.0%6.0%2.0%1.0%
 France[14] 64,939,56036.0%37.0%9.0%3.0%6.0%7.0%1.0%1.0%
 Germany[15] 80,635,98035.0%37.0%9.0%4.0%6.0%6.0%2.0%1.0%
 Ghana 29,779,25853.8%17.6%18.3%2.8%4.5%1.3%1.3%0.2%
 Greece 10,892,84937.4%32.9%11.0%3.7%7.0%5.0%2.0%1.0%
 Guinea 13,291,74146.88%21.64%22.86%4.52%2.0%0.9%1.0%0.2%
 Honduras 9,348,89857.5%27.0%7.8%2.5%2.7%1.7%0.6%0.2%
 Hong Kong 7,402,11541.5%26.13%25.34%6.35%0.32%0.17%0.14%0.05%
 Hungary 9,787,80127.0%33.0%16.0%8.0%5.0%7.0%3.0%1.0%
 Iceland[16] 334,31146.8%27.2%9.0%2.0%8.2%4.8%1.6%0.4%
 India[17] 1,342,561,90227.85%20.8%38.14%8.93%1.43%0.57%1.79%0.49%
 Indonesia 263,519,31736.82%25.87%28.85%7.96%0.18%0.13%0.15%0.04%
 Iran 80,982,13733.5%27.0%22.2%7.0%4.0%3.0%2.5%0.8%
 Iraq 38,657,78732.1%25.0%25.6%7.4%3.6%2.7%2.7%0.9%
 Ireland[18] 4,749,26347.0%26.0%9.0%2.0%8.0%5.0%2.0%1.0%
 Israel[19] 8,323,65932.0%34.0%17.0%7.0%3.0%4.0%2.0%1.0%
 Italy 59,797,96939.0%36.0%7.5%2.5%7.0%6.0%1.5%0.5%
 Ivory Coast 23,869,65646.5%22.5%22.5%4.3%2.0%1.0%1.0%0.2%
 Jamaica[20] 2,813,31647.0%23.0%20.0%3.0%3.5%2.0%1.0%0.5%
 Japan[21] 126,044,34029.9%39.8%19.9%9.9%0.15%0.2%0.1%0.05%
 Kazakhstan 18,431,44730.7%29.8%24.2%8.3%2.3%2.2%1.8%0.7%
 Kenya 48,470,78045.6%25.2%21.28%4.2%1.8%1.0%0.9%0.02%
 Latvia 1,944,12230.6%31.0%17.0%6.0%5.4%6.0%3.0%1.0%
 Lebanon 6,039,43838.4%32.3%9.5%3.2%7.7%6.5%1.7%0.7%
 Libya 6,408,99042.64%28.86%11.19%4.5%6.26%4.24%1.64%0.67%
 Liechtenstein 38,14034.0%37.0%10.0%4.0%6.0%6.5%1.8%0.7%
 Lithuania 2,827,57336.0%33.0%11.0%4.0%7.0%6.0%2.0%1.0%
 Luxemburg[22] 587,29735.0%37.0%9.0%4.0%6.0%6.0%2.0%1.0%
 Macao 606,41341.5%26.1%25.4%6.3%0.33%0.17%0.15%0.05%
 Malaysia 31,165,48034.32%30.35%27.37%7.46%0.17%0.15%0.14%0.04%
 Malta 432,81038.0%41.0%7.0%3.0%5.0%4.5%1.0%0.5%
 Mauritania 4,266,76546.3%26.68%17.47%3.85%2.8%1.6%1.1%0.2%
 Mauritius 1,267,30338.3%26.0%25.0%6.7%1.7%1.0%1.0%0.3%
 Mexico[23] 130,227,83659.09%26.23%8.53%1.73%2.73%1.21%0.40%0.08%
 Moldova[24] 4,043,72228.5%31.8%17.6%7.0%5.0%6.0%3.0%1.1%
 Mongolia 3,052,04455.4%27.7%10.9%4.96%0.6%0.3%0.1%0.04%
 Morocco 36,328,58842.3%29.8%14.3%4.1%4.5%3.1%1.5%0.4%
 Myanmar 53,507,93235.7%23.8%32.7%6.95%0.3%0.2%0.3%0.05%
   Nepal 29,188,10035.2%28.3%27.1%8.6%0.3%0.2%0.2%0.1%
 Netherlands[25] 17,033,01239.5%35.0%6.7%2.5%7.5%7.0%1.3%0.5%
 New Zealand[26] 4,604,99638.0%32.0%9.0%3.0%9.0%6.0%2.0%1.0%
 Nigeria 191,851,41151.3%22.4%20.7%2.6%1.6%0.7%0.6%0.1%
 North Korea 25,432,03327.15%31.08%30.15%11.32%0.08%0.1%0.1%0.03%
 North Macedonia 2,083,69030.0%34.0%15.0%6.0%5.0%6.0%3.0%1.0%
 Norway[27] 5,330,98633.2%41.6%6.8%3.4%5.8%7.4%1.2%0.6%
 Pakistan 180,440,00526.63%21.6%34.40%9.52%2.17%1.66%3.57%0.45%
 Papua New Guinea 7,952,51148.0%37.2%9.6%2.8%1.0%0.8%0.4%0.2%
 Peru[28] 32,167,71770.0%18.4%7.8%1.6%1.4%0.5%0.28%0.02%
 Philippines[29] 103,801,74745.9%22.9%24.9%5.97%0.1%0.1%0.1%0.03%
 Poland[30] 38,563,48031.0%32.0%15.0%7.0%6.0%6.0%2.0%1.0%
 Portugal[31] 10,264,67236.2%39.8%6.6%2.9%6.1%6.8%1.1%0.5%
 Romania 19,237,08728.0%36.5%13.6%6.8%5.0%6.5%2.4%1.2%
 Russia 143,374,80128.0%30.0%20.0%7.0%4.9%5.8%3.2%1.1%
 Saudi Arabia[32] 32,744,53247.8%23.9%17.0%4.0%4.0%2.0%1.0%0.3%
 Serbia 8,776,82731.92%35.28%12.6%4.2%6.08%6.72%2.4%0.8%
 Singapore[33] 5,784,81944.7%23.9%24.5%5.6%0.6%0.3%0.3%0.1%
 Slovakia[34] 5,432,26527.2%35.7%15.3%6.8%4.8%6.3%2.7%1.2%
 Slovenia 2,071,25831.0%33.0%12.0%6.0%7.0%7.0%3.0%1.0%
 South Africa[35] 55,437,81539.0%32.0%12.0%3.0%6.0%5.0%2.0%1.0%
 South Korea 50,748,30727.9%33.87%26.92%10.98%0.1%0.13%0.08%0.02%
 Spain[36] 46,070,16335.0%36.0%8.0%2.5%9.0%7.0%2.0%0.5%
 Sudan 40,827,97548.0%27.7%15.2%2.8%3.5%1.8%0.8%0.2%
 Sweden[37] 9,920,84332.0%37.0%10.0%5.0%6.0%7.0%2.0%1.0%
  Switzerland[38] 8,454,32135.0%38.0%8.0%4.0%6.0%7.0%1.0%1.0%
 Syria 18,920,69843.0%30.0%14.0%3.7%5.0%3.0%1.0%0.3%
 Taiwan 23,234,93643.9%25.9%23.9%6.0%0.17%0.1%0.01%0.02%
 Thailand 68,298,02740.8%16.9%36.8%4.97%0.2%0.1%0.2%0.03%
 Turkey[39] 80,420,06529.8%37.8%14.2%7.2%3.9%4.7%1.6%0.8%
 Uganda 43,276,49243.7%39.0%10.7%3.9%1.3%1.0%0.3%0.1%
 Ukraine 44,404,07832.0%34.0%15.0%5.0%5.0%6.0%2.0%1.0%
 United Arab Emirates 3,398,01744.1%21.9%20.9%4.3%4.3%2.1%2.0%0.4%
 United Kingdom 65,512,37538.0%32.0%8.0%3.0%9.0%7.0%2.0%1.0%
 United States[40] 326,481,53337.4%35.7%8.5%3.4%6.6%6.3%1.5%0.6%
 Venezuela[41] 32,011,08258.3%28.2%5.6%1.9%3.7%1.8%0.4%0.1%
 Vietnam 95,414,64041.7%21.9%30.8%4.98%0.3%0.1%0.2%0.02%
 Yemen 29,246,42947.84%27.5%15.32%2.14%3.66%2.1%1.17%0.16%
 Zimbabwe 16,912,88063.3%18.5%14.6%0.99%1.7%0.5%0.4%0.01%
World 6,671,609,84538.67%27.42%22.02%5.88%2.55%1.99%1.11%0.36%

  50.0% and above   40.0–49.9%   30.0–39.9%   20.0–29.9%   10.0–19.9%   5.0–9.9%

Ethnic distribution of ABO (without Rh) blood types[42]
(This table has more entries than the table above but does not distinguish between Rh types.)
People group O (%) A (%) B (%) AB (%)
Aboriginal people 61 39 0 0
Abyssinians 43 27 25 5
Ainu (Japan) 17 32 32 18
Albanians 38 43 13 6
Great Andamanese 9 60 23 9
Arabs 34 31 29 6
Armenians 31 50 13 6
Asian Americans 40 28 27 5
Austrians 36 44 13 6
Bantus 46 30 19 5
Basques 51 44 4 1
Belgians 47 42 8 3
Bororo (Brazil) 100 0 0 0
Brazilians 47 41 9 3
Bulgarians 32 44 15 8
Bamar people 36 24 33 7
Buryats (Siberia) 33 21 38 8
Bushmen 56 34 9 2
Chinese-Canton 46 23 25 6
Chinese-Ningbo 35 32 25 9
Chinese-Yangzhou 31 32 27 10
Chinese-Peking 29 27 32 13
Chuvash 30 29 33 7
Croats 42 34 17 7
Czechs 30 44 18 9
Danes 41 44 11 4
Dutch 45 43 9 3
Egyptians 33 36 24 8
English 47 42 9 3
Inuit (Alaska) 38 44 13 5
Inuit (Greenland) 54 36 23 8
Estonians 34 36 23 8
Fijians 44 34 17 6
Finns 34 41 18 7
French 43 47 7 3
Georgians 46 37 12 4
Germans 41 43 11 5
Greeks 40 42 14 5
Romani people (Hungary) 29 27 35 10
Hawaiians 37 61 2 1
Hindus (Bombay) 29 25 35 11
Hungarians 36 43 16 5
Icelanders 56 32 10 3
Indians (India) 29 21 40 9
Native Americans 79 16 4 1
Irish 52 35 10 3
Italians (Milan) 46 41 11 3
Japanese 30 38 22 10
Jews (Germany) 42 41 12 5
Jews (Poland) 33 41 18 8
Kalmuks 26 23 41 11
Kikuyu (Kenya) 60 19 20 1
Koreans 28 32 31 10
Sami people 29 63 4 4
Latvians 32 37 24 7
Lithuanians 40 34 20 6
Malays 62 18 20 0
Māori 46 54 1 0
Mayans 98 1 1 1
Moros 64 16 20 0
Navajo Indians 73 27 0 0
Nicobarese 74 9 15 1
Norwegians 39 50 8 4
Papuans (New Guinea) 41 27 23 9
Persians 38 33 22 7
Peruvian Indians 100 0 0 0
Filipinos 45 22 27 6
Poles 33 39 20 9
Portuguese 35 53 8 4
Romanians 33 43 16 8
Russians 33 36 23 8
Sardinians 50 26 19 5
Scots 51 34 12 3
Serbians 38 42 16 5
Shompen Nicobarese 100 0 0 0
Slovaks 42 37 16 5
Somalis[43] 50.1 29.6 15.2 5.1
South Africans 45 40 11 4
Spanish 38 47 10 5
Sudanese 62 16 21 0
Swedish 38 47 10 5
Swiss 40 50 7 3
Tatars 28 30 29 13
Thais 37 22 33 8
Turks 43 34 18 6
Ukrainians 37 40 18 6
Black Americans 49 27 20 4
White Americans 45 40 11 4
Vietnamese 42 22 30 5

Blood group B has its highest frequency in South Asia where it ranks first as the largest share of the earth's population. In Southeast Asia the share of the population is high, especially in Thailand and Indonesia, then in East Asia, Northern Asia and neighboring Central Asia, and its incidence diminishes both towards the east and the west, falling to single digit percentages in Netherlands, Norway, Portugal and Switzerland.[44][45] It is believed to have been entirely absent from Native American and Australian Aboriginal populations prior to the arrival of Europeans in those areas.[45][46]

Blood group A is associated with high frequencies in Europe, especially in Scandinavia and Central Europe, although its highest frequencies occur in some Australian Aboriginal populations and the Blackfoot Indians of Montana, the US.[47][48]

Maps of allele ABO among native populations
  • Map of allele A
    among native populations
  • Map of allele B
    among native populations
  • Map of allele O
    among native populations

See also

References
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  2. "Study of Blood Immunogenetical Markers in Armenian Population" (PDF). 1989.
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  23. Canizalez-Román, A; Campos-Romero, A; Castro-Sánchez, JA; López-Martínez, MA; Andrade-Muñoz, FJ; Cruz-Zamudio, CK; Ortíz-Espinoza, TG; León-Sicairos, N; Gaudrón Llanos, AM; Velázquez-Román, J; Flores-Villaseñor, H; Muro-Amador, S; Martínez-García, JJ; Alcántar-Fernández, J (2018). "Blood Groups Distribution and Gene Diversity of the ABO and Rh (D) Loci in the Mexican Population". BioMed Research International. 2018: 1925619. doi:10.1155/2018/1925619. PMC 5937518. PMID 29850485.
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  43. Ismail 2019, Table 1: Frequency of ABO blood types and Rhesus factor from 2015 to 2017, Somali Region, Ethiopia
  44. Blood Transfusion Division, United States Army Medical Research Laboratory (1971). Selected contributions to the literature of blood groups and immunology. 1971 v. 4. United States Army Medical Research Laboratory, Fort Knox, Kentucky. ... In northern India, in Southern and Central China and in the neighboring Central Asiatic areas, we find the highest known frequencies of B. If we leave this center, the frequency of the B gene decreases almost everywhere ...
  45. The New Encyclopædia Britannica. Encyclopædia Britannica, Inc. 2002. ISBN 978-0-85229-787-2. ... The maximum frequency of the B gene occurs in Central Asia and northern India. The B gene was probably absent from Native Americans and Australian Aboriginal people before racial admixture occurred with the coming of the white man ...
  46. Carol R. Ember, Melvin Ember (1973). Anthropology. Appleton-Century-Crofts. ... Blood type B is completely absent in most North and South American Indians ...
  47. Dean 2005, 2.1.4: Blood Type A: Central and Eastern Europe Type A is common in Central and Eastern Europe. In countries such as Austria, Denmark, Norway, and Switzerland, about 45–50% of the population have this blood type, whereas about 40% of Poles and Ukrainians do so. The highest frequencies are found in small, unrelated populations. For example, about 80% of the Blackfoot Indians of Montana have blood type A ...
  48. Technical Monograph No. 2: The ABO Blood Group System and ABO Subgroups (PDF). Biotec. March 2005. Archived from the original (PDF) on 6 February 2007. ... The frequency of blood group A is quite high (25–55%) in Europe, especially in Scandinavia and parts of central Europe. High group A frequency is also found in the Aboriginal people of South Australia (up to 45%) and in certain American Indian tribes where the frequency reaches 35% ...
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