The politics of Cameroon takes place in a framework of a unitary presidential republic, whereby the President of Cameroon is both head of state and head of government, and of a multi-party system. Executive power is exercised by the government. Legislative power is vested in both the government and the National Assembly of Cameroon.
According to the 2010 revison of the World Population Prospects the total population was 19 599 000 in 2010, compared to only 4 466 000 in 1950. The proportion of children below the age of 15 in 2010 was 40.6%, 55.9% was between 15 and 65 years of age, while 3.5% was 65 years or older.
The constitution divides Cameroon into 10 semi-autonomous regions, each under the administration of an elected Regional Council. A presidential decree of 12 November 2008 officially instigated the change from provinces to regions.