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 the Greek and Turkish governments that minority protection would not suffice to ameliorate ethnic tensions after the First World War, population exchange was promoted as the only viable option. According to representatives from Ankara, the "amelioration of the lot of the minorities in Turkey' depended 'above all on the exclusion of every kind of foreign intervention and of the possibility of provocation coming from outside'. This could be achieved most effectively with an exchange, and 'the best guarantees for the security and development of the minorities remaining' after the exchange 'would be those supplied both by the laws of the