Ethnic groups in Latin America

The inhabitants of Latin America are from a variety of ancestries, ethnic groups and races, making the region one of the most diverse in the world.[1] The specific composition of the group varies from country to country. Many have a predominance of European-Amerindian or Mestizo population; in others, Amerindians are a majority; some are dominated by inhabitants of European ancestry; and some countries' populations have large African or Mulatto populations.

Benito Juárez was an Amerindian Mexican of Zapotec ancestry.
Juniti Saito, head of the Brazilian Air Force and one of over a million Japanese Brazilians
Enrique Maciel, an Argentine of Mulatto ancestry
Maria Ines Guerra is a Mexican TV presenter and singer.

Overview

According to Jon Aske:

Before Hispanics became such a 'noticeable' group in the U.S., the distinction between black and white was the major racial division and according to the one-drop rule adhered to by the culture at large, one drop of African ancestry usually meant that the person was Black. ...

The notion of racial continuum and a separation of race (or skin color) and ethnicity, on the other hand, is the norm in most of Latin America. In the Spanish and Portuguese empires, racial mixing or miscegenation was the norm and something that the Spanish and Portuguese had grown rather accustomed to during the hundreds of years of contact with Arabs and North Africans in the Iberian peninsula. But, demographics may have made this inevitable as well. Thus, for example, of the approximately 13.5 million people who lived in the Spanish colonies in 1800 before independence only about one fifth were white. This contrasts with the U.S., where more than four fifths were whites (out of a population of 5.3 million in 1801, 900,000 were slaves, plus approximately 60,000 free blacks). ...

The fact of the recognition of a racial continuum in Hispanic American (sic) does not mean that there wasn't discrimination, which there was, or that there wasn't an obsession with race, or 'castes', as they were sometimes called. ...

In areas with large indigenous Amerindian populations, a racial mixture resulted, which is known in Spanish as mestizos ... who are a majority in Mexico, Central America and most of South America. Similarly, when African slaves were brought to the Caribbean region and Brazil, where there was very little indigenous presence left, unions between them and Spanish produced a population of mixed mulatos ... who are a majority of the population in many of those Spanish-speaking Caribbean basin countries (Cuba, Dominican Republic, Puerto Rico, Colombia, and Venezuela).

[2]

Aske has also written that:

Spanish colonization was rather different from later English, or British, colonization of North America. They had different systems of colonization and different methods of subjugation. While the English were primarily interested in grabbing land, the Spanish in addition had a mandate to incorporate the land's inhabitants into their society, something which was achieved by religious conversion and sexual unions which produced a new 'race' of mestizos, a mixture of Europeans and indigenous peoples. mestizos (sic) form the majority of the population in Mexico, Central America, and much of South America. Racial mixing or miscegenation, after all, was something that the Spanish and Portuguese had been accustomed to during the hundreds of years of contact with Arabs and North Africans. Similarly, later on, when African slaves were introduced into the Caribbean basin region, unions between them and Spaniards produced a population of mulatos, who are a majority of the population in the Caribbean islands (the Antilles) (Cuba, Dominican Republic, Puerto Rico), as well as other areas of the Caribbean region (Colombia, Venezuela and parts of the Central American Caribbean coast). mestizos (sic) and mulatos may not have always have been first class citizens in their countries, but they were never disowned in the way the outcomes of unions of Europeans and Native Americans were in the British colonies, where interracial marriages were taboo and one drop of Black or Amerindian blood was enough to make the person 'impure'.

[3]

In his famous 1963 book The Rise of the West, William Hardy McNeill wrote that:

Racially mixed societies arose in most of Spanish and Portuguese America, compounded in varying proportions from European, Indian, and Negro strands. Fairly frequent resort to manumission mitigated the hardships of slavery in those areas; and the Catholic church positively encouraged marriages between white immigrants and Indian women as a remedy for sexual immorality. However, in the southern English colonies and in most of the Caribbean islands, the importation of Negro slaves created a much more sharply polarized biracial society. Strong race feeling and the servile status of nearly all Negroes interdicted intermarriage, practically if not legally. Such discrimination did not prevent interbreeding; but children of mixed parentage were assigned to the status of their mothers. Mulattoes and Indian half-breeds were thereby excluded from the white community. In Spanish (and, with some differences, Portuguese) territories a more elaborate and less oppressive principle of racial discrimination established itself. The handful of persons who had been born in the homelands claimed topmost social prestige; next came those of purely European descent; while beneath ranged the various racial blends to form a social pyramid whose numerous racial distinctions meant that no one barrier could become as ugly and inpenetrable as that dividing whites from Negroes in the English, Dutch, and French colonies.

[4]

Thomas C. Wright, meanwhile, has written that:

The demographic makeup of colonial Latin America became more complex when, as the native population declined, the Portuguese, Spanish, and the French in Haiti turned to Africa for labor, as did the British in North America. The tricontinental heritage that characterizes Latin America, then, is shared by the United States, but even a casual examination reveals that the outcome of the complex interaction of different peoples has varied. While miscegenation among the three races certainly occurred in North America, it appears to have been much less common than in Latin America. Furthermore, offspring of such liaisons were not recognized as belonging to new, distinct racial categories in North America as they were in Latin America. The terms mestizo or mameluco, mulatto, the general term castas, and dozens of subcategories of racial identity frankly recognized the outcomes of interracial sexual activity in Latin America and established a continuum of race rather than the unrealistic absolute categories of white, black, or Indian as used in the United States. (The U.S. Census Bureau's forms did not allow individuals to list more than one race until 2000.)

[5]

Ethnic groups
  • Amerindians. The indigenous population of Latin America, the Amerindians, arrived during the Lithic stage. In post-Columbian times they experienced tremendous population decrease, particularly in the early decades of colonization. They have since recovered in numbers, surpassing sixty million by some estimates.[6] With the growth of other groups, they now compose a majority only in Bolivia and Perú. In Guatemala, Amerindians are a large minority who comprise two-fifths of the population. Mexico's 14%[7] (9.8% in the official 2005 census) is the next largest population, and one of the largest Amerindian populations in the Americas in absolute numbers. Most of the remaining countries have Amerindian minorities, in every case making up less than one-tenth of the respective country's population. In many countries, people of mixed Amerindian and European ancestry make up the majority of the population (see Mestizo).
  • Asians. People of Asian descent number several million in Latin America. The first Asians to settle in the region were Filipino, as a result of Spain trading in Asia and the Americas. The majority of Asian Latin Americans are of Japanese or Chinese ancestry and reside mainly in Brazil and Peru; there is also a growing Chinese minority in Panama. Brazil is home to about two million people of Asian descent; this includes the largest ethnic Japanese community outside Japan itself (estimated as high as 1.5 million), and about 200,000 ethnic Chinese and 100,000 ethnic Koreans.[8][9] Ethnic Koreans also number tens of thousands in Argentina and Mexico.[10] Peru, with 1.47 million people of Asian descent,[11][12] has one of the largest Chinese communities in the world, with nearly one million Peruvians being of Chinese ancestry. There is a strong ethnic-Japanese presence in Peru, where a past president and a number of politicians are of Japanese descent. The Martinican population includes an African-White-Indian mixed population, and an East Indian (Asian Indian) population.[13] The Guadeloupe East Indian population is estimated at 14% of the population.
  • Blacks. Millions of Africans were brought to Latin America from the 16th century onward, the majority of whom were sent to the Caribbean region and Brazil. Today, people identified as "Black" are most numerous in Brazil (more than 10 million) and in Haiti (more than 7 million).[14] Among the Latin American nations, Brazil leads this category in relative numbers with 7% of the population being Afro-Latin American. Significant populations are also found in Puerto Rico, Cuba, Dominican Republic, Ecuador, Peru, Honduras, Nicaragua, Costa Rica, Panama, Colombia, Venezuela and Uruguay. Latin Americans of mixed Black and White ancestry, called Mulattoes, are far more numerous than Blacks.
  • Mestizos. Intermixing between Europeans and Amerindians began early in the colonial period and was extensive. The resulting people, known as Mestizos, make up the majority of the population in half of the countries of Latin America, making Paraguay one of the lead countries. Additionally, Mestizos compose large minorities in nearly all the other mainland countries.
  • Mulattoes. Mulattoes are people of mixed European and African ancestry. In Latin America, Mulattoes descend primarily from Spanish or Portuguese settlers on one side, and African on the other. Brazil is home to Latin America's largest mulatto population. Mulattoes are a population majority in the Dominican Republic and, depending on the source, Cuba as well. Mulattoes are also numerous in Panama, Honduras, Costa Rica, Colombia, Puerto Rico, Ecuador, Peru, Venezuela and Uruguay. Smaller populations of mulattoes are found in other Latin American countries such as Argentina, Paraguay, among others .[6]
  • Whites. Beginning in the late 15th century, large numbers of Iberian colonists settled in what became Latin America. The Portuguese colonized Brazil primarily, and the Spaniards settled elsewhere in the region. At present, most White Latin Americans are of Spanish, Portuguese and Italian ancestry. Iberians brought the Spanish and Portuguese languages, the Catholic faith, and many Iberian-Latin traditions. Brazil, Argentina, Mexico, Chile, Colombia and Venezuela contain the largest absolute numbers of Whites in Latin America.[7] Whites make up the majorities of Argentina, Costa Rica, Puerto Rico, Chile, Uruguay, and depending on the source in Cuba. Whites make up nearly half of Brazil's population.[7][15][16] Ever since most of Latin America gained independence in the 1810s–1820s, millions of people have immigrated there. Of these immigrants, Italians formed the largest group, and next were Spaniards and Portuguese.[17] Many others arrived, such as French, Germans, Greeks, Poles, Ukrainians, Russians, Croats, Estonians, Latvians, Lithuanians, Irish, and Welsh. Also included are Jews, as well as Arabs of Lebanese, Syrian, and Palestinian descent; most of them are Christian.[18] Whites presently compose the largest racial group in Latin America (36% in the table herein) and, whether as White, Mestizo, or Mulatto, the vast majority of Latin Americans have white ancestry.[19]
  • Zambos: Intermixing between Africans and Amerindians was especially prevalent in Colombia, Nicaragua, Venezuela, and Brazil, often due to slaves running away (becoming cimarrones: maroons) and being taken in by Amerindian villagers. In Spanish speaking nations, people of this mixed ancestry are known as Zambos[20] in Middle America, and Cafuzos in Brazil.

In addition to the foregoing groups, Latin America also has millions of tri-racial peoples of African, Amerindian, and European ancestry. Most are found in the Dominican Republic, Colombia, Costa Rica, Panama, Venezuela, Puerto Rico, Brazil, and Peru and Paraguay with a much smaller presence in other countries.

According to Lizcano

The following table contains information based on a 2014 non-genetic work entitled "Composición Étnica de las Tres Áreas Culturales del Continente Americano al Comienzo del Siglo XXI" ("Ethnic Composition of the Three Cultural Areas of the American Continent at the Beginning of the 21st Century") by National Autonomous University of Mexico professor Francisco Lizcano Fernández.

Fernández compiled his estimation of groups based on criteria of cultural patterns, not on genotypes nor even phenotype.[7] In these estimations, therefore, "whites" encompasses all those whose practiced culture is predominantly Iberian-derived, while "mestizos" encompasses those whose practiced culture noticeably mixes Iberian and Amerindian cultural traditions, and "Amerindians" only those whose practiced culture is predominantly indigenous.

The resulting effect of employing these criteria, therefore, skews the figure of said groups if they had been based on genetic factors, or even based on phenotypic factors. Thus, for instance, the estimate of "whites" given for Chile would include mostly genetic mestizos, while the estimate of "mestizos" in Mexico would include not only a significant proportion of genetic Amerindians, but also many genetic whites, and so on for other countries.

Country Population
2014[21]		 WhitesMestizosMulattoesAmerindiansBlacksAsiansCreoles &
Garifunas
 Argentina41,769,72685.0%11.1%0.0%1.0%0.0%2.9%0.0%
 Bolivia10,118,68315.0%28.0%2.0%55.0%0.0%0.0%0.0%
 Brazil203,429,77353.8%0.0%39.1%0.4%6.2%0.5%0.0%
 Chile16,888,76052.7%39.3%0.0%8.0%0.0%0.0%0.0%
 Colombia41,725,54320.0%53.2%21.0%3.9%1.8%0.0%0.1%
 Costa Rica4,576,56282.0%15.0%0.0%0.8%0.0%0.2%2.0%
 Cuba11,087,33037.0%0.0%51.0%0.0%11.0%1.0%0.0%
 Dominican Republic9,956,64814.6%0.0%75.0%0.0%7.7%0.4%2.3%
 Ecuador15,007,3439.9%42.0%5.0%39.0%5.0%0.1%0.0%
 El Salvador6,071,7741.0%91.0%0.0%8.0%0.0%0.0%0.0%
 Guatemala13,824,4634.0%42.0%0.0%53.0%0.0%0.8%0.2%
 Honduras8,143,5641.0%85.6%0.7%7.7%0.0%1.7%3.3%
 Mexico121,724,22615.0%70.0%0.5%14.0%0.0%0.5%0.0%
 Nicaragua5,666,30114.0%78.3%0.0%6.9%0.0%0.2%0.6%
 Panama3,460,46210.0%32.0%27.0%8.0%5.0%4.0%14.0%
 Paraguay6,759,05820.0%74.5%3.5%1.5%0.0%0.5%0.0%
 Peru30,814,17512.0%32.0%9.7%45.5%0.0%0.8%0.0%
 Puerto Rico3,989,13374.8%0.0%10.0%0.0%15.0%0.2%0.0%
 Uruguay3,308,53588.0%8.0%4.0%0.0%0.0%0.0%0.0%
 Venezuela27,635,74316.9%37.7%37.7%2.7%2.8%2.2%0.0%
Total579,092,57036.1%30.3%20.3%9.2%3.2%0.7%0.2%

Note: "Creoles" refer to people of African descent who emigrated from British and French colonies in the Caribbean to Central America.[7]

According to Latinobarometro

The following table shows how Latin Americans answer the question What race do you consider yourself belonging to? in the Latinobarometro survey.[22]

Country MestizosWhitesAmerindiansMulattoesBlacksAsiansOther raceDK/NA
 Argentina26%61%1%1%1%0%3%7%
 Bolivia57%4%27%1%1%0%1%9%
 Brazil27%41%1%13%17%0%1%0%
 Chile30%59%8%1%0%0%2%0%
 Colombia47%26%5%5%6%0%2%0%
 Costa Rica31%40%4%17%3%1%1%3%
 Dominican Republic29%11%4%24%26%3%0%3%
 Ecuador81%4%7%3%3%1%0%1%
 El Salvador68%10%5%4%4%2%0%7%
 Guatemala32%17%45%1%1%0%1%3%
 Honduras67%1%13%16%2%1%1%0%
 Mexico52%6%19%2%0%1%3%17%
 Nicaragua67%6%8%2%3%1%0%13%
 Panama53%16%7%5%10%1%1%7%
 Paraguay81%3%3%1%1%0%2%9%
 Peru76%6%7%1%1%1%1%7%
 Uruguay7%74%1%4%3%0%3%8%
 Venezuela33%32%4%21%8%0%0%2%
Total47%24%9%6%5%1%1%7%

According to other sources

This is a list of ethnic groups based on national or other sources.

Country Amerindian White Mestizo Mulatto Black Asian Pardo or Mixed Garifuna or Zambo Other Undeclared Type of study Year
 Argentina[23] 2.4%52.0%27.0%0.0%0.0%2.6%0.0%0.0%16.0%0.0%N/A2018
 Bolivia[24] 37.0%3.0%52.0%0.0%1.0%0.0%0.0%0.0%0.0%7.0%Household survey2013
 Brazil[25] 0.43%47.73%0.0%0.0%7.61%1.09%43.13%0.0%0.0%0.0%Census2010
 Chile[26] 6.0%61.0%27.0%0.0%0.0%0.0%0.0%0.0%2.0%4.0%Household survey2006
 Colombia[27] 3.43%0.0%0.0%0.0%10.62%0.0%0.0%0.0%0.01%85.94%Census2005
 Costa Rica[28] 2.0%81.8%7.7%5.7%1.91%0.21%0.0%0.0%0.0%0.68%Census2011
 Cuba[29] 0.0%64.1%0.0%26.6%9.3%0.0%0.0%0.0%0.0%0.0%Census2012
 Dominican Republic[30] 0.0%13.6%0.0%67.6%18.3%0.0%0.0%0.0%0.0%0.0%Household survey2006
 Ecuador[31] 7.0%6.1%71.9%1.9%5.3%0.0%0.0%0.0%7.8%0.0%Census2010
 El Salvador[32] 0.2%12.7%86.3%0.0%0.1%0.0%0.0%0.0%0.6%0.0%Census2007
 Guatemala[33] 39.4%0.0%60.0%0.0%0.0%0.0%0.0%0.1%0.5%0.0%Census2002
 Honduras[34] 6.70%7.87%82.93%0.0%1.40%0.0%0.0%0.55%0.55%0.0%Census2013
 Mexico[35] 21.5%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%78.5%Household survey2015
 Nicaragua[36] 6.0%0.0%0.0%0.0%0.0%0.0%0.0%0.4%2.2%91.4%Census2005
 Panama[37] 12.3%0.0%0.0%0.0%9.2%0.0%0.0%0.0%0.0%78.5%Census2010
 Paraguay[38] 1.8%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%98.2%Census2012
 Peru[39] 25.7%5.9%60.2%0.0%3.6%0.2%0.0%0.0%1.1%3.3%Census2017
 Puerto Rico[40] 0.5%75.8%0.0%0.0%12.4%0.2%3.3%0.0%7.8%0.0%Census2010
 Uruguay[41] 0.4%87.4%2.5%6.3%2.0%0.1%0.6%0.2%0.1%0.3%Household survey2006
 Venezuela[42] 0.0%43.6%0.0%0.0%3.6%0.0%51.6%0.0%1.2%0.0%Census2011
Country Native Amerindian White European Black African Asian Mestizo (White and Amerindian) Mulatto (White and Black) Sambo (Black and Amerindian) Tri-racial (White, Black, and Amerindian) Year of Genetic Analysis
 Argentina[43] 1.9%56.0%0.1%0.1%42.5%0.2%0.0%0.2%2010
 Bolivia[24] 46.0%3.0%0.0%0.0%50.4%0.0%0.1%0.5%2013
 Brazil[25] 1.5%43.1%9.3%0.7%23.3%23.2%2.1%25.4%2018
 Chile[44] 7.5%53.8%0.2%0.3%38.0%0.2%0.0%0.0%2006
 Colombia[45] 2.9%26.3%10.5%0.4%25.5%12.5%2.1%19.8%2005
 Costa Rica[46] 2.0%77.3%2.0%0.3%4.5%3.5%1.3%9.0%2011
 Cuba[47] 0.0%39.2%11.0%0.3%0.0%44.0%0.0%5.5%2012
 Dominican Republic[30] 0.0%9.6%15.8%0.1%0.7%40.6%3.5%29.8%2006
 Ecuador[48] 11.0%5.5%1.1%0.1%77.9%1.5%2.1%0.9%2010
 El Salvador[49] 0.4%12.9%0.0%0.0%86.6%0.1%0.0%0.0%2007
 Guatemala[33] 38.0%1.8%1.0%0.0%57.2%0.1%1.7%0.2%2002
 Honduras[50] 11.1%6.5%1.8%0.0%77.5%0.1%2.8%0.2%2013
 Mexico[51] 19.5%28.0%0.1%0.1%51.2%0.1%0.9%0.1%2015
 Nicaragua[36] 9.0%3.0%4.7%0.0%76.5%2.1%3.2%0.5%2005
 Panama[52] 11.3%24.2%10.7%0.7%18.7%15.0%4.4%17.0%2010
 Paraguay[53] 6.8%33.0%0.0%0.1%60.1%0.0%0.0%0.0%2012
 Peru[54] 25.7%4.8%0.5%0.9%66.4%0.0%1.7%0.0%2017
 Puerto Rico[55] 0.0%23.1%9.1%0.1%4.9%20.2%1.6%41.0%2010
 Uruguay[41] 0.2%84.5%1.2%0.1%8.0%5.9%0.0%0.1%2006
 Venezuela[56] 1.4%39.6%1.9%0.1%17.0%9.0%4.7%26.5%2011

Genetic studies

Skin pigmentation

In Latin America, human skin color and ancestry are often conflated, with lighter skin commonly assumed as indicative of higher levels of European ancestry.[57] A 20th century study on Mexican Americans used skin reflectance data (a method of measuring the lightness or darkness of skin) as an estimation of European ancestry.[58] However, genetic evidence published in 2019 has challenged this presumption. A genome-wide association study of 6000 Latin Americans from Mexico, Brazil, Colombia, Chile and Peru found that the strongest correlation for light skin color in these populations was actually an amino acid variant of the MFSD12 gene; which is absent in Europeans, but very common in East Asians and Native Americans.[59] The old presumption that lighter skin in Latin Americans is an indicator of European ancestry was unjustified.[60]

Argentina

Genetically, the composition of Argentina is mostly European in ancestry, with both Native American and African contributions.

A 2009 autosomal DNA study found that of the total Argentine population, 78.5 percent of the national genepool was European, 17.3 percent Native American, and 4.2 percent African.[61]

An unweighted autosomal study of blood donors from 2012 found the following composition among samples in four regions of Argentina: 65% European, 31% Native American and 4% African. The study's conclusion was not to achieve a generalized autosomal average of the country, but rather the existence of genetic heterogeneity among differing sample regions.[62]

  • Homburguer et al., 2015, PLOS One Genetics: 67% European, 28% Amerindian, 4% African and 1,4% Asian.[63]
  • Avena et al., 2012, PLOS One Genetics: 65% European, 31% Amerindian, and 4% African.[64]
    • Buenos Aires Province: 76% European and 24% others.
    • South Zone (Chubut Province): 54% European and 46% others.
    • Northeast Zone (Misiones, Corrientes, Chaco & Formosa provinces): 54% European and 46% others.
    • Northwest Zone (Salta Province): 33% European and 67% others.
  • Oliveira, 2008, on Universidade de Brasília: 60% European, 31% Amerindian and 9% African.[65]
  • National Geographic: 52% European, 27% Amerindian ancestry, 9% African and 9% others.[66]

Brazil

Genetic studies have shown the Brazilian population as a whole to have European, African and Native American components.

An autosomal study from 2013, with nearly 1300 samples from all of the Brazilian regions, found a predominant degree of European ancestry combined with African and Native American contributions, in varying degrees. 'Following an increasing North to South gradient, European ancestry was the most prevalent in all urban populations (with values up to 74%). The populations in the North consisted of a significant proportion of Native American ancestry that was about two times higher than the African contribution. Conversely, in the Northeast, Center-West and Southeast, African ancestry was the second most prevalent. At an intrapopulation level, all urban populations were highly admixed, and most of the variation in ancestry proportions was observed between individuals within each population rather than among population'.[67]

Region[68] European African Native American
North Region 51% 17% 32%
Northeast Region 56% 28% 16%
Central-West Region 58% 26% 16%
Southeast Region 61% 27% 12%
South Region 74% 15% 11%

An autosomal DNA study (2011), with nearly 1000 samples from all over the country ("whites", "pardos" and "blacks", according to their respective proportions), found a major European contribution, followed by a high African contribution and an important Native American component.[69] "In all regions studied, the European ancestry was predominant, with proportions ranging from 60.6% in the Northeast to 77.7% in the South".[70] The 2011 autosomal study samples came from blood donors (the lowest classes constitute the great majority of blood donors in Brazil[71]), and also public health institutions' personnel and health students. The study showed that Brazilians from different regions are more homogenous than previously thought by some based on the census alone. "Brazilian homogeneity is, therefore, a lot greater between Brazilian regions than within Brazilian regions".[72]

Region[69] European African Native American
Northern Brazil 68.80% 10.50% 18.50%
Northeast of Brazil 60.10% 29.30% 8.90%
Southeast Brazil 74.20% 17.30% 7.30%
Southern Brazil 79.50% 10.30% 9.40%

According to a DNA study from 2010, "a new portrayal of each ethnicity contribution to the DNA of Brazilians, obtained with samples from the five regions of the country, has indicated that, on average, European ancestors are responsible for nearly 80% of the genetic heritage of the population. The variation between the regions is small, with the possible exception of the South, where the European contribution reaches nearly 90%. The results, published by the scientific magazine American Journal of Human Biology by a team of the Catholic University of Brasília, show that in Brazil, physical indicators such as skin colour, colour of the eyes and colour of the hair have little to do with the genetic ancestry of each person, which has been shown in previous studies (regardless of census classification).[73] "Ancestry informative SNPs can be useful to estimate individual and population biogeographical ancestry. Brazilian population is characterized by a genetic background of three parental populations (European, African, and Brazilian Native Amerindians) with a wide degree and diverse patterns of admixture. In this work we analyzed the information content of 28 ancestry-informative SNPs into multiplexed panels using three parental population sources (African, Amerindian, and European) to infer the genetic admixture in an urban sample of the five Brazilian geopolitical regions. The SNPs assigned apart the parental populations from each other and thus can be applied for ancestry estimation in a three hybrid admixed population. Data was used to infer genetic ancestry in Brazilians with an admixture model. Pairwise estimates of F(st) among the five Brazilian geopolitical regions suggested little genetic differentiation only between the South and the remaining regions. Estimates of ancestry results are consistent with the heterogeneous genetic profile of Brazilian population, with a major contribution of European ancestry (0.771) followed by African (0.143) and Amerindian contributions (0.085). The described multiplexed SNP panels can be useful tool for bioanthropological studies but it can be mainly valuable to control for spurious results in genetic association studies in admixed populations".[74] It is important to note that "the samples came from free of charge paternity test takers, thus as the researchers made it explicit: "the paternity tests were free of charge, the population samples involved people of variable socioeconomic strata, although likely to be leaning slightly towards the ‘‘pardo’’ group".[75]

Region[75] European African Native American
North Region 71.10% 18.20% 10.70%
Northeast Region 77.40% 13.60% 8.90%
Central-West Region 65.90% 18.70% 11.80%
Southeast Region 79.90% 14.10% 6.10%
South Region 87.70% 7.70% 5.20%

An autosomal DNA study from 2009 found a similar profile: "all the Brazilian samples (regions) lie more closely to the European group than to the African populations or to the Mestizos from Mexico".[76]

Region[77] European African Native American
North Region 60.6% 21.3% 18.1%
Northeast Region 66.7% 23.3% 10.0%
Central-West Region 66.3% 21.7% 12.0%
Southeast Region 60.7% 32.0% 7.3%
South Region 81.5% 9.3% 9.2%

A 2015 autosomal genetic study, which also analysed data of 25 studies of 38 different Brazilian populations concluded that: European ancestry accounts for 62% of the heritage of the population, followed by the African (21%) and the Native American (17%). The European contribution is highest in Southern Brazil (77%), the African highest in Northeast Brazil (27%) and the Native American is the highest in Northern Brazil (32%).[78]

Region[78] European African Native American
North Region 51% 16% 32%
Northeast Region 58% 27% 15%
Central-West Region 64% 24% 12%
Southeast Region 67% 23% 10%
South Region 77% 12% 11%

According to another autosomal DNA study from 2008, by the University of Brasília (UnB), European ancestry dominates in the whole of Brazil (in all regions), accounting for 65.90% of heritage of the population, followed by the African contribution (24.80%) and the Native American (9.3%).[79]

São Paulo state, the most populous state in Brazil, with about 40 million people, showed the following composition, according to an autosomal study from 2006: European genes account for 79% of the heritage of the people of São Paulo, 14% are of African origin, and 7% Native American.[80] A more recent study, from 2013, found the following composition in São Paulo state: 61.9% European, 25.5% African and 11.6% Native American.[67]

Chile

According to 1994 genetic research based on blood types, by Ricardo Cruz-Coke and Rodrigo Moreno, Chilean genetic admixture consists of 64% European, 35% Amerindian, and 1% African ancestry.[81] The European admixture goes from 81% in East Santiago to 61% in West Santiago. Valparaiso (Chilean central coast) and Concepción (central southern Chile) have 77% and 75% of European genetic admixture respectively.[81]

An autosomal DNA study from 2014 found the Chilean overall national genepool to be 44.34% (± 3.9%) Native American contribution, 51.85% (± 5.44%) European contribution, and 3.81% (± 0.45%) African contribution.[82] The samples came from all the 15 regions of Chile, and they were collected in Arica, as the researchers made it clear: "Beginning 2011, 923 volunteers from all 15 regions of Chile, living temporarily or permanently in Arica, with an average age of 28.05 ± 9.37 and belonging to social classes A and B (4%), CA and CB (60%) and D (36%) were invited to participate on this study".[82]

A 2015 autosomal DNA study found Chile to be 55.16% European, 42.38% Native American and 2.44% African (using LAMP-LD) and 43.22% Native American, 54.38% European and 2.40% African (using RFMix).[83]

Another 2015 autosomal DNA study carried out in two public hospitals found Chile to be 57.20% European, 38.70% Native American and 2.5% African.[84]

A 2020 autosomal DNA arrived at the following conclusion: "The country’s average ancestry was 0.53 ± 0.14 European, 0.04 ± 0.04 African, and 0.42 ± 0.14 Amerindian, disaggregated into 0.18 ± 0.15 Aymara and 0.25 ± 0.13 Mapuche. However, Mapuche ancestry was highest in the south (40.03%) and Aymara in the north (35.61%) as expected from the historical location of these ethnic groups".[85]

Chilean mitochondrial DNA and Y-chromosome studies indicate mostly Native American haplogroups on the maternal side and European haplogroups on the paternal side.[86][87]

Colombia

In Colombia, an autosomal study found the following composition to be the contribution to the national genepool: 60.0% European, 32.0% Native and 8.0% SSA African.[88]

According to a 2015 autosomal DNA study Colombia is 62.50% European, 27.40% Native American and 9.2% African.[84]

This list shows the regional admixture in Colombia according to a 2016 DNA study with nearly 800 samples:[89]

Region European Native American African
Amazonía 27.14% 65.20% 7.66%
Central 58.86% 36.04% 5.10%
Caribbean 55.01% 22.01% 22.98%
Greater Tolima 54.54% 37.34% 8.12%
Orinoquía 53.00% 36.02% 10.98%
Pacific 22.72% 14.01% 63.27%
Paisa 66.91% 25.22% 7.87%
Santanderes 58.10% 34.97% 6.93%
Southwest 48.65% 44.28% 7.07%
Valle del Cauca 55.43% 30.54% 14.04%

Costa Rica
Costa Rica was one of the more isolated populations of New Spain.

While the majority of Costa Ricans identify as of criollo or castizo descent, genetic studies demonstrate considerable pre-Columbian Amerindian and a smaller African ancestry.

According to an autosomal study, the genetic makeup of Costa Rica is 61% percent European, 30% percent Amerindian and 9% percent African. Regional variation was observed, with greater European influence in the northern and central regions. Increased Amerindian ancestry was found in the south (20%), and a higher African contribution in coastal regions (18% in the Atlantic and 5% in the Pacific).[90]

The Central Valley—where more than half of Costa Ricans live—has a mestizo population with one of the highest European components in Latin America (comparable to Rio de la Plata), areas with low pre-Columbian Native ancestry (then occupied by heterogeneous groups of hunter-gatherers) and where the current Native population is sparse. During the Spanish colonization of the Americas, Costa Rica was one of the more isolated regions in the Americas. According to genetic studies, the average Costa Rican from the Central Valley is 80~90 percent European, 15 percent Native and 5 percent Nort African or Africa.[90]

Cuba

An autosomal study from 2014 has found the genetic ancestry in Cuba to be 72% European, 20% African and 8% Native American.[91]

Dominican Republic

According to a recent autosomal study, the genetic composition of the Dominican Republic was 51.2 percent European, 41.8 percent African and 8 percent Native.[88]

Ecuador

According to a 2010 DNA autosomal study, the genetic composition of genepool of Ecuadorians is 48.8% Native American, 38.9% European, and 12.3% African.[88]

El Salvador

A large majority of the population is declared mestizos. El Salvador is one of the most homogeneous countries in Latin America. According to a genetic research by the University of Brasilia, Salvadoran genetic admixture consists of a national genepool with a 45.2% Amerindian contribution, 45.2% European contribution, and 9.6% African ancestry contribution.[92]

Guatemala

The study "Geographic Patterns of Genome Admixture in Latin American Mestizos" by PLoS Genetics found that the composition of Guatemala is 55% European, 44% Amerindian, and less than 1% African or Asian.[93]

Mexico
The Mexican mestizo population is the most diverse in Latin America, with people's mixed composition being either largely European, or largely Amerindian, rather than having a uniform admixture nationwide. Distribution of Admixture Estimates for Individuals from Mexico City and Quetalmahue (indigenous community in Chile).[93]

An autosomal DNA study by the American Journal of Human Genetics estimated that the average admixture of Mexicans is approximately 65% European, 31% Amerindian, and 4% African. Higher Amerindian ancestry on the X chromosome was observed, consistent with predominantly European patrilineal and Native American matrilineal ancestry.[94]

A study by Mexico's National Institute of Genomic Medicine (INMEGEN) reported that mestizo Mexicans are 58.96% European, 10.03% African and 31.05% Asian. The African contribution ranges from 2.8 percent in Sonora to 11.13 percent in Veracruz. Eighty percent of the population was classified as mestizo (racially mixed to some degree). The study was conducted among volunteers from six states (Sonora, Zacatecas, Veracruz, Guanajuato, Oaxaca and Yucatan) and an indigenous group, the Zapotecs.[95]

The same study found that Mexico's haplogroup was most similar to the European group with 81 percent of haplotypes shared, followed by the Asian haplogroup with 74 percent and the African haplogroup with 64 percent. The investigators also noted that the African admixture did not generally come from African slaves brought by Europeans to the Americas, but rather, it was already a part of the genetic admixture of the Iberian colonists.[96]

A study in Mexico City found that its mestizo population had the greatest variation in Latin America, with its mestizos being either largely European or Amerindian rather than having a uniform admixture. The study's results are similar to those by INMEGEN in which the European admixture is 56.8 percent, followed by Asian (Native American) ancestry with 39.8 percent and an African contribution of 3.4 percent.[93] Additional studies suggest a correlation between greater European admixture with a higher socioeconomic status, and greater Amerindian ancestry with a lower socioeconomic status. A study of low-income Mexicans found the mean admixture to be 0.590, 0.348 and 0.062 Amerindian, European and African respectively,[97] while a study of Mexicans with an income higher than the mean found their European admixture to be 82 percent.[98]

Peru

According to genetic research by the University of Brasilia, Peruvian genetic admixture consists of 51.0% Amerindian, 37.1% European, and 11.9% African ancestry.[92]

According to a 2015 DNA autosomal study, the composition of Peru is: 47.30% Native American, 47% European and 3.2% African.[84]

Uruguay

A 2009 DNA study in the American Journal of Human Biology showed the genetic contribution to the genepool of Uruguay as a whole is primarily derived from Europe, with Native American ancestry ranging from 1 to 10 percent and African from 7 to 15 percent (depending on region).[99] A 2014 study, "in agreement with those obtained from a study using nDNA", put the average "for the whole country" (but which thus may vary region-wise) as 6% African and 10% Native American.[100]

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