Prime Minister of Thailand sixteen out of twenty-nine, including the incumbent General Prayut Chan-o-cha. Military dominance began with the country's second Prime Minister, Phot Phahonyothin, who ousted his civilian predecessor in a coup in 1933. The longest serving Prime Minister was Field Marshal Plaek Pibulsonggram at 14 years, 11 months and 18 days. The shortest was Tawee Boonyaket at just 18 days. Nine were removed by coups d'état, three were disqualified by court order, and eleven resigned from office. The youngest ever to occupy office was M.R. Seni Pramoj at 40 years old. Thailand received its first female prime minister, Yingluck Shinawatra, in 2011.
Prime Minister of Vietnam the Central Military Commission and the Central Police Party Committee. The tenure of a prime minister is five years, and the term is renewable once. The current prime minister Nguyễn Xuân Phúc has served since 2016. In case of incapacity, a deputy prime minister assumes the office of acting prime minister until the prime minister resumes duty, or until the appointment of a new prime minister. The powers and prestige of the prime minister have varied through the years. Pham Van Dong, Vietnam's second prime minister, often lamented that in practice he had little power. Since the death of Pham