^Cite error: The named reference dictionary was invoked but never defined (see the help page).
^"Iran". Ethnologue. Archived from the original on 4 September 2019. Retrieved 26 October 2018. Ethnic population: 16,700,000 (2019)
^Elling, Rasmus Christian (18 February 2013). Minorities in Iran: Nationalism and Ethnicity after Khomeini. Springer. p. 28. ISBN978-1-137-04780-9. CIA and Library of Congress estimates range from 16 percent to 24 percent—that is, 12–18 million people if we employ the latest total figure for Iran's population (77.8 million).
^Gheissari, Ali (2 April 2009). Contemporary Iran: Economy, Society, Politics. Oxford University Press. p. 300. ISBN978-0-19-988860-3. As of 2003, the ethnic classifications are estimated as: [...] Azeri (24 percent)
^Bani-Shoraka, Helena (1 July 2009). "Cross-generational bilingual strategies among Azerbaijanis in Tehran". International Journal of the Sociology of Language (198): 106. doi:10.1515/IJSL.2009.029. ISSN1613-3668. S2CID144993160. The latest figures estimate the Azerbaijani population at 24% of Iran's 70 million inhabitants (NVI 2003/2004: 301). This means that there are between 15 and 20 million Azerbaijanis in Iran.
^Moaddel, Mansoor; Karabenick, Stuart A. (4 June 2013). Religious Fundamentalism in the Middle East: A Cross-National, Inter-Faith, and Inter-Ethnic Analysis. Brill. p. 101. The Azeris have a mixed heritage of Iranic, Caucasian, and Turkic elements(...) Between 16 to 23 million Azeris live in Iran.
^Eschment, Beate; von Löwis, Sabine, eds. (18 August 2022). Post-Soviet Borders: A Kaleidoscope of Shifting Lives and Lands. Taylor & Francis. p. 31. Irrespective of the large Azerbaijani population in Iran (about 20 million, compared to 7 million in Azerbaijan)(...)
^"Итоги переписи". 2010 census. Russian Federation State Statistics Service. 2012. Archived from the original on 24 April 2012. Retrieved 24 January 2015.
^"Population Census 2009"(PDF). National Statistical Committee of the Republic of Belarus. Archived from the original(PDF) on 18 January 2012. Retrieved 17 April 2013.
^Azerbaijan country briefArchived 18 June 2019 at the Wayback Machine. NB According to the 2016 census, 1,036 people living in Australia identified themselves as of Azeri ancestry. Retrieved 18 June 2019.
^"Population Census of 2011". Statistics Estonia. Archived from the original on 11 November 2018. Retrieved 10 November 2018. Select "Azerbaijani" under "Ethnic nationality".
^"2020-03-09". ssb.no. 9 March 2020. Archived from the original on 17 November 2020. Retrieved 3 January 2021.
^Cite error: The named reference golden was invoked but never defined (see the help page).
^Ismail Zardabli. Ethnic and political history of Azerbaijan. Rossendale Books. 2018. p.35 "... the ancestors of Azerbaijanis and Turkmens are the tribes that lived in these territories."
^Harcave, Sidney (1968). Russia: A History: Sixth Edition. Lippincott. p. 267.
^Mojtahed-Zadeh, Pirouz (2007). Boundary Politics and International Boundaries of Iran: A Study of the Origin, Evolution, and Implications of the Boundaries of Modern Iran with Its 15 Neighbors in the Middle East by a Number of Renowned Experts in the Field. Universal. p. 372. ISBN978-1-58112-933-5.