The mission of the Institute is to study the development of the Lithuanian nation, the society of Lithuania, its culture, economy and statehood, to collect, systematise, and disseminate the documentary and intangible historical heritage through the development of fundamental and applied research; to contribute to the creation of civic society, the formation of historical culture and critical discourse in society, and the preservation of cultural identity through the results of its research; together with universities, to train researchers in history and ethnology to shape the strategy of the history and ethnology of Lithuania, to participate actively in the creation of a knowledge society, and to broaden links with the international research space.