Dagestan covers an area of 50,300 square kilometres (19,400 square miles), with a population of over 3.1 million,[12] consisting of over 30 ethnic groups and 81 nationalities.[13] With 14 official languages, and 12 ethnic groups each constituting more than 1% of its total population, the republic is one of Russia's most linguistically and ethnically diverse, and one of the most heterogeneous administrative divisions in the world.[14] Most of the residents speak one of the Northeast Caucasian, or Turkic languages;[13] however, Russian is the primary language and the lingua franca in the republic.[15]
^Президент Российской Федерации. Указ №849 от 13 мая 2000 г. «О полномочном представителе Президента Российской Федерации в федеральном округе». Вступил в силу 13 мая 2000 г. Опубликован: "Собрание законодательства РФ", No. 20, ст. 2112, 15 мая 2000 г. (President of the Russian Federation. Decree #849 of May 13, 2000 On the Plenipotentiary Representative of the President of the Russian Federation in a Federal District. Effective as of May 13, 2000.).
^Госстандарт Российской Федерации. №ОК 024-95 27 декабря 1995 г. «Общероссийский классификатор экономических регионов. 2. Экономические районы», в ред. Изменения №5/2001 ОКЭР. (Gosstandart of the Russian Federation. #OK 024-95 December 27, 1995 Russian Classification of Economic Regions. 2. Economic Regions, as amended by the Amendment #5/2001 OKER. ).
^"Об исчислении времени". Официальный интернет-портал правовой информации (in Russian). June 3, 2011. Retrieved January 19, 2019.
^Official throughout the Russian Federation according to Article 68.1 of the Constitution of Russia.
^According to Article 11 of the Constitution of Dagestan, the official languages of the republic include "Russian and the languages of the peoples of Dagestan"
^Всероссийский Центральный Исполнительный Комитет. Декрет от 20 января 1921 г. «Об Автономной Дагестанской Социалистической Советской Республике». (All-Russian Central Executive Committee. Decree of January 20, 1921 On Autonomous Dagestan Socialist Soviet Republic. ).
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