What is Tajik?
1.
An ethnic group prodominately inhabiting modern day Tajikistan and Afghanistan. They're origins are unclear but they are some sort of mixture of Asiatic and Iranian races. They are closely related to their Iranian cousins, the afghans or also known as the Pashtuns. Their language is Dari, which is an archaic form of Persian. There are more Tajiks living in Afghanistan than in Tajikistan. They often intermingle with other ethnic groups such as the afghans/pashtuns or the Uzbeks.
Afghanistan has a 26% minority Tajik pop. Iran has a 3% Tajik minority. Tajikistan has a 99.9 % majority Tajik pop.
See