Chukotka Autonomous Okrug. The federal law "On the languages of the peoples of the Russian Federation" allows the federal subjects to establish additionally official languages in the areas where minority groups live. The following 15 languages benefit from various degrees of recognition in various regions under this law: Buryat in the Agin-Buryat Okrug Chukchi in Yakutia Dolgan in Yakutia Even in Yakutia Evenki in Yakutia Finnish in Karelia Karelian in Karelia Kazakh in Altai Khanty in the Khanty-Mansi Autonomous Okrug and the Yamalo-Nenets Autonomous Okrug Komi-Permyak in the Komi-Permyak Okrug Mansi in the Khanty-Mansi Autonomous Okrug Nenets in the Khanty-Mansi Autonomous Okrug, the Nenets Autonomous Okrug and the Yamalo-Nenets Autonomous Okrug Selkup in the Yamalo-Nenets Autonomous Okrug Veps in Karelia The Yukaghir languages in Yakutia Migrant languages As a result of mass migration to Russia from the former USSR republics (especially from the Caucasus and Central Asia) many non-indigenous languages are spoken by migrant workers. For example, in 2014 2.4 million Uzbek citizens and 1.2 million Tajik citizens entered Russia. For comparison, Russian citizens with ethnicities matching these of home countries of migrant workers of are much lower (from 2010 Russian Census, in thousands): Endangered languages in Russia There are many endangered languages in Russia. Some are considered to be near extinction and put on the list of endangered languages in Russia, and some may have gone extinct since data was last reported. On the other hand, some languages may survive even with few speakers. Some languages have doubtful data, like Serbian whose information in the Ethnologue is based on the 1959 census. Languages near extinction Most numbers are according to Michael Krauss, 1995. Given the time that has passed, languages with extremely few speakers might be extinct today. Since 1994, Kerek, Aleut, Medny Aleut, Akkala Sami and Yugh languages have become extinct. Enets (70) Ingrian Negidal Orok (30–82) Sami, Ter (2) Tofalar (25–30) Udege (100) Votic (8, 60-non native) Ket (20 speakers) (2019) Yukaghir, Northern (30–150) Yukaghir, Southern (10–50) Yupik Foreign languages According to the various studies made in 2005-2008 by Levada-Center 15% of Russians know a foreign language. From those who claim knowledge of at least one language: Knowledge of at least one foreign language is predominant among younger and middle-aged population. Among aged 18–24 38% can read and "translate with a dictionary", 11% can freely read and speak. Among aged 25–39 these numbers are 26% and 4%