"The Kurds of Caucasia and Central Asia have been cut off for a considerable period of time and their development in Russia and then in the Soviet Union has been somewhat different. In this light the Soviet Kurds may be considered to be an ethnic group in their own right." The Red Book of the Peoples of the Russian EmpireKurds, su Institute of Estonia (EKI), Institute of Estonia (EKI). URL consultato il 22 giugno 2012.
encyclopedia.com
Kurds, su The Columbia Encyclopedia, 6th ed., Encyclopedia.com, 2014. URL consultato il 29 dicembre 2014.
The Kurdish Population by the Istituto Curdo di Parigi, 2017 estimate. The Kurdish population is estimated at 15–20 million in Turkey, 10–12 million in Iran, 8–8.5 million in Iraq, 3–3.6 million in Syria, 1.2–1.5 million in the European diaspora, and 400k–500k in the former USSR - for a total of 36.4 million to 45. 6 million globally.
The Kurdish Diaspora, su Institut Kurde de Paris. URL consultato il 9 giugno 2014.
(EN, FR) The Kurdish Diaspora, su institutkurde.org, Parigi, Institut Kurde de Paris, 2006. URL consultato il 20 novembre 2015.
Bureau of Near Eastern Affairs, Background Note: Syria, su State.gov, US State Department, 9 marzo 2012. URL consultato il 2 agosto 2015. The CIA World Factbook reports all non-Arabs make up 9.7% of the Syrian population, but does not break out the Kurdish figure separately. However, this State Dept. source provides a figure of 9%. at august 2015, the current document at this state.gov URL no longer provides such ethnic group data.
World Factbook, Online, Langley, Virginia, US Central Intelligence Agency, 2015, ISSN 1553-8133 (WC · ACNP). URL consultato il 2 agosto 2015 (archiviato dall'url originale il 10 maggio 2013). A rough estimate in this edition gives populations of 14.3 million in Turkey, 8.2 million in Iran, about 5.6 to 7.4 million in Iraq, and less than 2 million in Syria, which adds up to approximately 28–30 million Kurds in Kurdistan or in adjacent regions. The CIA estimates are ay august 2015 – Turkey: Kurdish 18%, of 81.6 million; Iran: Kurd 10%, of 81.82 million; Iraq: Kurdish 15–20%, of 37.01 million, Syria: Kurds, Armenians, and other 9.7%, of 17.01 million.
World Factbook, Online, Langley, Virginia, US Central Intelligence Agency, 2015, ISSN 1553-8133 (WC · ACNP). URL consultato il 2 agosto 2015 (archiviato dall'url originale il 10 maggio 2013). A rough estimate in this edition gives populations of 14.3 million in Turkey, 8.2 million in Iran, about 5.6 to 7.4 million in Iraq, and less than 2 million in Syria, which adds up to approximately 28–30 million Kurds in Kurdistan or in adjacent regions. The CIA estimates are ay august 2015 – Turkey: Kurdish 18%, of 81.6 million; Iran: Kurd 10%, of 81.82 million; Iraq: Kurdish 15–20%, of 37.01 million, Syria: Kurds, Armenians, and other 9.7%, of 17.01 million.
World Factbook, Online, Langley, Virginia, US Central Intelligence Agency, 2015, ISSN 1553-8133 (WC · ACNP). URL consultato il 2 agosto 2015 (archiviato dall'url originale il 10 maggio 2013). A rough estimate in this edition gives populations of 14.3 million in Turkey, 8.2 million in Iran, about 5.6 to 7.4 million in Iraq, and less than 2 million in Syria, which adds up to approximately 28–30 million Kurds in Kurdistan or in adjacent regions. The CIA estimates are ay august 2015 – Turkey: Kurdish 18%, of 81.6 million; Iran: Kurd 10%, of 81.82 million; Iraq: Kurdish 15–20%, of 37.01 million, Syria: Kurds, Armenians, and other 9.7%, of 17.01 million.