Prime Minister of Thailand Every prime minister since Manopakorn Nititada has been Buddhist. The Prime Minister of the Kingdom of Thailand must be a member of the House of Representatives. Therefore, the qualifications for the office of prime minister are the same as the qualifications for membership in the house. Prior to the coup d'état, to be appointed, the nominee for the office must have the support of one-fifth of the members of the House of Representatives. Then after a simple-majority vote in the house, a resolution will be passed and submitted to the king, who will then make a formal appointment by giving
Prime Minister of Japan the head of the "Daijō-kan" (Department of State), the highest organ of Japan's pre-modern Imperial government during the Heian period and until briefly under the Meiji Constitution with the appointment of Sanjō Sanetomi in 1871. The office was replaced in 1885 with the appointment of Itō Hirobumi to the new position of Prime Minister, four years before the enactment of the Meiji Constitution, which mentions neither the Cabinet nor the position of Prime Minister explicitly. It took its current form with the adoption of the Constitution of Japan in 1947. To date, 62 people have served this position. The current