The article shows the need for research on the development of Ukrainian diaspora communities and theoretically substantiates the possibilities of using an integrative approach to the use of achievements of the Ukrainian diaspora in the cultural and educational space of Ukraine. The important task of bringing the achievements of the Ukrainian intellectual elite back into the national scientific, educational, informational, and cultural layer has been emphasized. Theoretical bases of integration of achievements of the Ukrainian diaspora in the cultural and educational space of Ukraine have been determined. It has been established that integrative cooperation generates new, previously unknown in terms of content or form, types and results of cooperation; new projects, ideas, books, forums, and congresses emerge, forming a single system whose system-forming factor is the Ukrainian idea, preservation of its cultural and educational space. It has been proved that in the conditions of integration of achievements of residents of Ukraine and the Ukrainian diaspora, those aspects which are uniting should dominate: Ukrainian language, Ukrainian culture, problems of national education, concern for the future of the Ukrainian people. Full inclusion of achievements of the Ukrainian diaspora in the cultural and educational space of Ukraine is based on a number of conceptual provisions.