The paper presents the results of a study that is part of a large-scale project aimed at studying the changes that took place in the Russian language during the first three decades of the 20th century. In the history of Russia, this period was marked by stormy events that led to a radical change in the state system and the formation of a new society. To quantify the scale of changes that occurred in the language in the result of these dramatic events, it is necessary to analyze the representative volume of linguistic data and to compare different chronological periods in dynamics using quantitative methods. The research was carried out on the data of an annotated sample from the Corpus of the Russian Short Stories of 1900-1930, which contains texts by 300 Russian writers. All the texts in the Corpus are divided into three time frames: 1) the pre-war period (1900)(1901)(1902)(1903)(1904)(1905)(1906)(1907)(1908)(1909)(1910)(1911)(1912)(1913), 2) the war and revolutionary years (1914)(1915)(1916)(1917)(1918)(1919)(1920)(1921)(1922) and 3) the early Soviet period (1923)(1924)(1925)(1926)(1927)(1928)(1929)(1930). Frequency distribution of significant vocabulary in dynamics was analyzed, which made it possible to identify the main tendencies in the change of individual words and lexical groups frequencies from one historical period to another and to correlate them with the previously identified dynamics of literary themes. The technique used allows to trace the influence of large-scale political changes on the vocabulary of literary language, to note the peculiarities and tendencies of the writers' worldview in a certain historical period, and also makes it possible to significantly supplement the analysis of the dynamics of literary themes in fiction.

The article outlines the ideology of monitoring the transgenerational transmission of the Russian language and other languages of the peoples of the Russian Federation for the national-territorial subjects of the Russian Federation, emphasizing the importance of data on the number of speakers of a particular language in different age and social cohorts, on their competence levels, on real bilingualism and multilingualism, on language transmission mechanisms from older to younger generations to determine the viability of minority languages and thus to plan measures to save, support and revive them. The provisions of the "Framework Convention for the Protection of National Minorities" relating to the study of majority and minority languages in the educational systems of multilingual and multinational states are also analyzed, and the leading role of Russian as the national language is shown. Developed a monitoring scenario for transgenerational language transmission (for households), taking into account maximum unification with the program of the General Population Census of the Russian Federation, which was published during the trial census in 2018. The monitoring questions are grouped into three clusters, each of which reflects different aspects of the sociolinguistic situation: the territorial distribution of languages and family relations within the household; the ethnic, socio-age and educational characteristics of the respondent; the linguistic characteristics of the respondent.

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