https://simple.wikipedia.org/wiki/Race_(sociology)

When classifications of human races were first done, there were relatively few inter-racial marriages. Since then the number of mixed-race people has increased ...

https://en.wikipedia.org/wiki/Race_(human_categorization)

A race is a grouping of humans based on shared physical or social qualities into categories ... Furthermore, people often self-identify as members of a race for political reasons. When people define and talk about a particular conception of race, ...

http://www.umsl.edu/~naumannj/culture%20and%20cultural%20geography/articles/How%20many%20major%20races%20are%20there%20in%20the%20world.docx

A human race is defined as a group of people with certain common inherited features that distinguish them from other groups of people. All men of whatever race ...

https://www.iowadatacenter.org/aboutdata/raceclassification

Standards for reporting data about race and ethnicity provide consistent and comparable data for an array of statistical and administrative programs.

http://blog.world-mysteries.com/science/how-many-major-races-are-there-in-the-world/

Feb 18, 2011 ... What is Race? When some people use the “race” they attach a biological meaning, still others use “race” as a socially constructed concept.

https://www.britannica.com/topic/race-human

In the United States, for example, the term race generally refers to a group of people who have in common some visible physical traits, such as skin colour, hair ...

http://www.ir.ufl.edu/OIRApps/ethnic_code_changes/info.html

Thank you for your interest in the University of Florida's Race and Ethnicity ... so that people chose either to report their Hispanic ethnicity, or to report a race, but ...

https://www.census.gov/topics/population/race/about.html

Jan 23, 2018 ... People who identify with more than one race may choose to provide multiple races in response to the race question. For example, if a ...

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3737365/

Many human societies classify people into racial categories. These categories often have very real effects politically, socially, and economically. Even if race is ...

https://grants.nih.gov/grants/guide/notice-files/not-od-15-089.html

Apr 8, 2015 ... The purpose of this Notice is to identify the OMB Revisions to the Standards for the Classification of Federal Data on Race and Ethnicity, which ...