The article examines the experience of strategic planning in socio-economic and security spheres of Turkey. The aim is to study the relevant mechanisms and key directions of policy, as well as regulatory issues. The novelty of the study lies in the attempt to summarize the experience of planning in Turkey both in the socio-economic and foreign policy and national security realms. The author has also tried to update the available knowledge in the field of decision-making process in the Republic of Turkey in connection with the latest constitutional and administrative reforms.