Jamaica is a parliamentary democracy governed under the constitution of 1962. It has a bicameral Parliament made up of a 21-member Senate and a 60-member House of Representatives. The prime minister is the head of government. The head of state is the British monarch, as represented by the governor-general. The country has two main political parties: the Jamaica Labor party (JLP) generally favors private enterprise, while the People's National party (PNP) advocates a moderate socialism. Administratively, the country is divided into 14 parishes.