Ethnic groupAn ethnic group is a group of human beings whose members identify with each other, usually on the basis of preferential endogamy (marrying within a social group) and/or a presumed or real common ancestry
[1][2] Ethnic identity is further marked by the recognition from others of a group's distinctiveness[3] and the recognition of common cultural, linguistic, religious, behavioral or biological traits,[1][4] real or presumed, as indicators of contrast to other groups
[5]Ethnicity is an important means through which people can identify themselves
According to "Challenges of Measuring an Ethnic World: Science, politics, and reality", a conference organized by Statistics Canada and the United States Census Bureau (April 1-3, 1992), "Ethnicity is a fundamental factor in human l