Introduction. The article examines public associations as collective subjects of constitutional relations in the context of the legal development of the current legislation and the Constitution of the Russian Federation. Public associations, as collective subjects of constitutional relations, are important participants in the socio-political process of implementing the constitutional amendments adopted at the all-Russian vote in 2020. Theoretical analysis. The article considers the concept and significance of public associations as collective subjects of constitutional relations. The importance of public associations is noted, namely, as collective subjects of constitutional relations. Empirical analysis. The author investigated the normative legal acts regulating public relations related to the activities of public associations and revealed that the legislator is constantly improving legal support in this part. The quantitative indicators of the number of public associations in the period from 1991 to 2020, registered on the territory of the Russian Federation, have been studied. Results. Summing up the work, it is concluded that public associations, as collective subjects of constitutional relations, are the most important tool necessary to meet the social needs of citizens. Effective interaction of public associations, as collective subjects of constitutional relations, with state structures would make it possible to better implement constitutional interests and ensure human and civil rights and freedoms.