The Constitution of Ghana is the supreme law of the Republic of Ghana. It was approved on 28 April 1992 through a national referendum after 92% support. It defines the fundamental political principles, establishing the structure, procedures, powers and duties of the government, structure of the judiciary and legislature, and spells out the fundamental rights and duties of citizens. It is made up of 26 chapters, not including the preamble. In part, the constitution was designed to decentralize the government in Ghana.