The article examines the current regulatory and legal framework of the Russian Federation and the Republic of Sakha (Yakutia) in the field of state’s social assistance to long-term elderly families. The article focuses on the growing special interest and attention to the social policy of the state to long-term elderly families who have lived together for 50 years or more, who as a socio-demographic category of the population present an insufficiently studied group from the scientific point of view.