As stated in the Malaysian Constitution and the Laws of the Constitution of Kedah Darul Aman, Kedah Darul Aman is a state which practices a System of Parliamentary Democracy led by a Constitutional Monarch, His Highness the Sultan, who is also Head of State.

His Highness the Sultan is the centre and the symbol of loyalty for the multiracial subjects of Kedah Darul Aman, and a source of unity for the state's people, who comprise many different races, religions, cultures and customs.