The prime minister of the Independent State of Papua New Guinea (Tok Pisin: Prai Minista bilong Papua Niugini) is Papua New Guinea's head of government, consequent on being the leader of the party or coalition with majority support in the National Parliament.The prime minister serves as the head of his party, the head of the coalition government, and the chairman of the National Executive Council. The office of Prime Minister was preceded by the Chief Ministry.