An activity of importance to the Institute is to consolidate the Ukrainian language as the official language in the lingual space of Ukraine, to reach the lingual harmony in the life of present-day civil society.

The main delineated activity is to research the Ukrainian language as a social, structural, historical, regional national-and-cultural phenomenon.

Directions of the Ukrainian language investigations: A lot of institute projects were implemented in cooperation with specialists from other countries.

They also cooperate with scientists from European countries within a project «The Linguistic Atlas of Europe» (Prof. Pavlo Hrytsenko).

Some research workers of the Institute were co-executors of a project by International Committee of Slavists «Najnowsze dzieje języków slowiańskich» (Opole, Poland).