Demographics of Crimea point of time. Turkey has provided the greatest support to Ukraine, which has been unable to resolve the problem of education in the mother tongue in Crimea, by bringing the schools to a modern state. Ukrainian was until 2014 the single official state language countrywide, but in Crimea government business was carried out mainly in Russian. Attempts to expand the usage of Ukrainian in education and government affairs have been less successful in Crimea than in other areas of the nation. Currently two thirds of migrants into Crimea are from other regions of Ukraine; every fifth migrant is from elsewhere
Annexation of Crimea by the Russian Federation "returning to the 90's", which is perceived as a period of anarchy and rule of gangs in Russia. In 2015 the Investigative Committee of Russia announced about a number of theft and corruption cases in infrastructure projects in Crimea, for example spending that exceeded the actual accounted costs three times. A number of Russian officials were also arrested for corruption, including head of federal tax inspection. (According to February 2016 official Ukrainian figures) after Russia's annexation 10% of Security Service of Ukraine personnel left Crimea; accompanied by 6,000 of the pre-annexation 20,300 people strong Ukrainian army. As result of the