What does ethnic minority mean?

An ethnic minority is an ethnic group that does not form a majority, or is not a subgroup of a larger ethnic group that forms the majority. An ethnic group is an identity based on common ancestry, language, religion, physical appearance and geography. Not all of those are required for an ethnic group, but some are. A minority is a group that does not form over 50% of the population, in a population where there is another group that does form over 50% of the population.