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
Crimea other countries (including Ukraine) imposed economic sanctions against Russia, including some specifically targeting Crimea. Many of these sanctions were directed at individuals—both Russian and Crimean. In general they prohibit the sale, supply, transfer, or export of goods and technology in several sectors, including services directly related to tourism and infrastructure. They list seven ports where cruise ships cannot dock. Sanctions against individuals include travel bans and asset freezes. Visa and MasterCard temporarily stopped service in Crimea in December 2014. The Russian national payment card system now allows Visa and MasterCard cards issued by Russian banks to work in Crimea. The