Scattered throughout central, southern, and eastern Iran are small groups speaking many different Indo-Iranian languages. In the southern part of the Central Plateau are such small nomadic and seminomadic tribes. Other tribes, related to groups in neighboring Afghanistan and the Soviet Union, are found in Khorasan. Also in Khorasan are an estimated 25,000 Tajiks, a settled farming people related to the Tajiks of Afghanistan and the Soviet Union. Distinguishable, but comparatively smaller, Indo-Iranian-speaking minorities are the following tribally organized settled groups: the Hazareh, Barbai, Teimuri, Jamshidi, and Afghani in Khorasan the Qadikolahi and Palavi in Mazandaran and the Sasani and Agajani in the Talesh region of Gilan.

Data as of December 1987