The Turkish Statistical Institute (TÜİK) is the official national statistical agency of Turkey, operating under the Ministry of Treasury and Finance. It is responsible for collecting, processing, and disseminating authoritative statistical data on the nation's population, economy, society, and environment. Originally established on April 25, 1926, as the Central Statistical Department, the agency operated as the State Institute of Statistics from 1962 until 2005, when it was reorganized under its current name to align with European statistical standards.