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 structure of the government, the roles of the President, Parliament, and the Judiciary, and guarantees fundamental rights to citizens. Adopted in 1965, the Constitution has undergone several amendments to address changing societal needs and political developments. It serves as a foundation for the rule of law, ensuring that all laws and actions by the government align with constitutional principles.