The politics of Zambia takes place in a framework of a presidential representative democratic republic, whereby the president of Zambia is head of state, head of government and leader of a multi-party system. Executive power is exercised by the government, while legislative power is vested in both the government and parliament. Formerly Northern Rhodesia, Zambia became a republic immediately upon attaining independence in October 1964.

The United National Independence Party (UNIP) is a political party in Zambia. It governed the country from 1964 to 1991 under the socialist presidency of Kenneth Kaunda, and was the sole legal party in the country between 1973 and 1990. On 4 April 2021, Bishop Trevor Mwamba was elected President of UNIP.