이란: Library of Congress, Library of Congress – Federal Research Division. “Ethnic Groups and Languages of Iran”(PDF). 2009년 12월 2일에 확인함. (Persian and Caspian dialects-65% Kurdish 8%-Luri/Bakhtiari 5%- Baluchi 4%):80% of the population or approximately 63 million people.
아프가니스탄: 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, 348쪽: "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."