They are considered to be polyethnic due to the differences in race, ethnicity, language or background.

The population of the village was entirely Arab in ethnicity.

The mood of literature was swinging toward more interest in diverse ethnicity.

The issue is not only about the old and the new but also about a difference in ethnicity.

They are not uniform in population nor ethnicity nor age.

Its heterogeneous population is highly diverse in ethnicity, culture, language, and religion.

A specific point of interest was the range in ethnicity of the infants.

There was no significant difference in race, ethnicity, or crime committed between the two groups, according to the report.

Sexual activity of young adolescents differ in ethnicity as well.

The school body is remarkably diverse in race, ethnicity and income.