What group of an estimated 500,000 is commonly referred to as Afghan?
Afghan:  In modern times, "Afghan" is rarely used as an ethnic term for the Pashtuns, but is rather used as the national demonym for all citizens of Afghanistan — Pashtuns, Tajiks, and also a large number of Hazaras, Uzbeks, Aimaqs, Turkmens, Balochs, Nuristanis, Pashayis, Pamiris, Arabs, and others.
i don't know