Politics of Kiribati takes place in a framework of a parliamentary representative democratic republic, whereby the Beretitenti, President of Kiribati, is both the head of state and head of government, and of a multi-party system. Executive power is exercised by the government, Beretitenti, and his cabinet, all MPs. Legislative power is exercised by the House of Assembly. The Judiciary of Kiribati is independent of the executive and the legislature. The Constitution of Kiribati, promulgated at independence on 12 July 1979, establishes the Republic of Kiribati as a sovereign democratic republic and guarantees the fundamental rights of its citizens and residents.

The president of Kiribati is the head of state and head of government of Kiribati.