The Constitution of Singapore is the supreme law of the Republic of Singapore, establishing the framework for its government and legal system. It outlines the rights and responsibilities of citizens, the structure of government, and the separation of powers among the executive, legislative, and judicial branches. Adopted in 1965, the Constitution has undergone several amendments to address changing societal needs and political developments. It ensures fundamental liberties, such as freedom of speech and assembly, while also providing for national security and public order through specific provisions.