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
Demographics of Turkey along the Black Sea inhabited by the Laz as well as by several other ethnic groups — has been banned from official use and replaced with "Doğu Karadeniz" (which includes Trabzon). During the Russo-Turkish War of 1877–1878, the Muslim population of Russia near the war zones was subjected to ethnic cleansing; many Lazes living in Batum fled to the Ottoman Empire, settling along the southern Black Sea coast to the east of Samsun. The Roma in Turkey descend from the times of the Byzantine Empire. According to some reports, there are about 500,000-700,000 Roma in Turkey. The neighborhood of Sulukule,