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 1927, Turkish officials had settled 32,315 individuals from Greece in the province of Bursa alone. According to some sources, the population exchange, albeit messy and dangerous for many, was executed fairly quickly by respected supervisors. If the goal of the exchange was to achieve ethnic-national homogeneity, then this was achieved by both Turkey and Greece. For example, in 1906, nearly 20 percent of the population of present-day Turkey was non-Muslim, but by 1927, only 2.6 percent was. The architect of the exchange was Fridtjof Nansen, commissioned by the League of Nations. As the first official high commissioner for refugees, Nansen