Demographics of Turkey are available for the Kurdish population, because the Turkish government has outlawed ethnic or racial censuses. An estimate by the CIA World Factbook places their proportion of the population at approximately 18%. Another estimate, according to Ibrahim Sirkeci, an ethnic Turk, in his book "The Environment of Insecurity in Turkey and the Emigration of Turkish Kurds to Germany", based on the 1990 Turkish Census and 1993 Turkish Demographic Health Survey, is 17.8%. Other estimates include 15.7% of the population according to the newspaper "Milliyet", and 23% by Kurdologist David McDowall. The Minority Rights Group report of 1985 (by Martin Short
Population exchange between Greece and Turkey that left were skilled workers who engaged in transnational trade and business, as per previous capitulations policies of the Ottoman Empire. While current scholarship defines the Greek-Turkish population exchange in terms of religious identity, the population exchange was much more complex than this. Indeed, the population exchange, embodied in the Convention Concerning the Exchange of Greek and Turkish Populations at the Lausanne Conference of January 30, 1923, was based on ethnic identity. The population exchange made it legally possible for both Turkey and Greece to cleanse their ethnic minorities in the formation of the nation-state. Nonetheless, religion was utilized as