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 territory, and the population of the state had risen from approximately 3.7 million to 4.8 million. With this newly annexed population, the proportion of non-Greek minority groups in Greece rose to 13%, and following the end of the First World War, it had increased to 20%. Most of the ethnic populations in these annexed territories were Muslim, but were not necessarily Turkish in ethnicity. This is particularly true in the case of ethnic Albanians who inhabited the Çamëria (Greek: Τσαμουριά) region of Epirus. During the deliberations held at Lausanne, the question of exactly who was Greek, Turkish or Albanian was