The "TC kimlik numarası" is a unique identification number assigned to citizens of Turkey. It consists of 11 digits and is used for various official purposes, such as accessing government services, healthcare, and voting. This number helps to streamline administrative processes and ensures accurate identification of individuals. Every Turkish citizen is required to have a TC kimlik numarası, which is issued by the Turkish government upon birth or naturalization. It plays a crucial role in maintaining records and facilitating interactions with public institutions, making it an essential part of civic life in Turkey.