イラン: Library of Congress, Library of Congress – Federal Research Division. “Ethnic Groups and Languages of Iran”. 2009年12月2日閲覧。 (Persian and Caspian dialects-65% Kurdish 8%-Luri/Bakhtiari 5%- Baluchi 4%):80% of the population or approximately 63 million people.
アフガニスタン: CIA Factbook Afghanistan: unting Pashtuns, Tajiks, Baluchs, 21 million
Tajiks of Central Asia counting Tajikistan and Uzbekistan 10–15 million
Kurds Syria, Lebanon and Iraq based on CIA factbook estimate 18 million
Zazas of Turkey, based on CIA factbook estimate 4 million
Ossetians, Talysh, Tats, Kurds of the Caucasus and Central Asia: 1–2 million based on CIA factbook/ethnologue.
Tajiks of China: 50,000 to 100,000
Iranian speakers in Bahrain, the Persian Gulf , Western Europe and USA, 3 million.
Pakistan counting Baluchis+Pashtus+Afghan refugees based on CIA factbook and other sources: 71 million.
^Harmatta 1992, p. 348: "From the first millennium b.c., we have abundant historical, archaeological and linguistic sources for the location of the territory inhabited by the Iranian peoples. In this period the territory of the northern Iranians, they being equestrian nomads, extended over the whole zone of the steppes and the wooded steppes and even the semi-deserts from the Great Hungarian Plain to the Ordos in northern China."
^Brzezinski, Richard; Mielczarek, Mariusz (2002). The Sarmatians, 600 BC-AD 450. Osprey Publishing. p. 39. ""(..) Indeed, it is now accepted that the Sarmatians merged in with pre-Slavic populations.""
^Adams, Douglas Q. (1997). Encyclopedia of Indo-European Culture. Taylor & Francis. p. 523. ""(..) In their Ukrainian and Polish homeland the Slavs were intermixed and at times overlain by Germanic speakers (the Goths) and by Iranian speakers (Scythians, Sarmatians, Alans) in a shifting array of tribal and national configurations.""
^Women in Russia. Stanford University Press. (1977). p. 3. ""(..) Ancient accounts link the Amazons with the Scythians and the Sarmatians, who successively dominated the south of Russia for a millennium extending back to the seventh century B.C. The descendants of these peoples were absorbed by the Slavs who came to be known as Russians.""
^Slovene Studies. 9-11. Society for Slovene Studies. (1987). p. 36. ""(..) For example, the ancient Scythians, Sarmatians (amongst others), and many other attested but now extinct peoples were assimilated in the course of history by Proto-Slavs.""
^Emmerick, Ronald Eric. "Iranian languages". Encyclopædia Britannica Online. Encyclopædia Britannica, Inc. Retrieved 29 May 2015.