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 Tuvalu of chief minister, which was created in 1975. If the prime minister dies, as has happened on one occasion, the deputy prime minister becomes acting prime minister until a new one is elected by parliament. The prime minister can lose his office by resigning, being defeated in a no confidence vote by parliament, or losing his seat in a parliamentary election. Several former prime ministers have been appointed the Governor-General of Tuvalu. Prime Minister of Tuvalu The Prime Minister of Tuvalu is the head of government of Tuvalu. According to Tuvalu's constitution, the prime minister must always be a member