Editing Demographics of Puerto Rico (section)

===Genetic studies===
{| class="wikitable collapsible collapsed" style="float:right; clear:right; margin: 0 0 0 1em; min-width:33em; font-size:88%"
!colspan=3|Racial distribution – 2020 Census<ref>{{cite web|url=http://www.topuertorico.org/pdf/2kh72.pdf|title=Ethnicity 2000 census|website=Topuertorico.org|access-date=October 14, 2017}}</ref>
|-
! Race
! Population
! % of Total
|-
| '''Total'''||3,285,874||100%
|-
| '''''One race'''''||811,610||24.7%
|-
| :'''[[White people|White]]'''||560,592||17.1%
|-
| :'''Black/African American'''||230,011||7.0%
|-
| :'''[[Native Americans in the United States|American Indian]] and [[Alaska Native]]'''||16,429||0.5%
|-
| :'''[[Asian people|Asian]]'''||3,285||0.1%
|-
| :'''[[Native Hawaiian]]/[[Pacific Islander Americans|Pacific Islander]]'''||1,093||0.0%
|-
| :'''Some other race'''||837,897||25.5%
|-
| '''''Two or more races'''''||1,636,365||49.8%
|}Puerto Ricans, on average, have genetic contributions from Europeans, West Africans, and Native Americans of approximately 66%, 18%, and 16%, respectively.<ref>{{cite journal | pmc = 1950843 | pmid=17701908 | doi=10.1086/520769 | volume=81 | issue=3 | title=Recent genetic selection in the ancestral admixture of Puerto Ricans | year=2007 | journal=Am. J. Hum. Genet. | pages=626–33 | last1 = Tang | first1 = H | last2 = Choudhry | first2 = S | last3 = Mei | first3 = R | last4 = Morgan | first4 = M | last5 = Rodriguez-Cintron | first5 = W | last6 = Burchard | first6 = EG | last7 = Risch | first7 = NJ}}</ref> {{Clarify |text=A recent study of [[mitochondrial DNA]] (mtDNA) from 800 individuals found that patrilineal input, as indicated by the [[Y chromosome|Y-chromosome]], |reason=This doesn't make sense: mtDNA and Y-chromosome DNA are unrelated; the study is about mtDNA not patrilineage. From a quick skimread, I can't see any substantial discussion of patrilineage at all.<!-- Hence {{Failed verification}} below --> |date=May 2020 }} showed 66% of Puerto Ricans could trace their ancestry to male European ancestors, 18% could trace it to male African ancestors, and 16% could trace it to male Native American ancestors.<ref name="Ancestry">{{cite journal |last=Martínez Cruzado |first=Juan C. |year=2002 |title=The Use of Mitochondrial DNA to Discover Pre-Columbian Migrations to the Caribbean: Results for Puerto Rico and Expectations for the Dominican Republic |journal=KACIKE: The Journal of Caribbean Amerindian History and Anthropology |issue=Special Issue |editor=Lynne Guitar |url=http://www.kacike.org/MartinezEnglish.pdf |url-status=dead |archive-url=https://web.archive.org/web/20040622184420/http://www.kacike.org/MartinezEnglish.pdf |access-date=September 25, 2006 |archive-date=June 22, 2004 }}</ref>{{Failed verification |date=May 2020 }}<!-- See {{Clarify}} above -->