<Tr> <Th_colspan="2"> show Transcriptions </Th> </Tr> <Tr> <Th> Romanization </Th> <Td> Nipponkoku Seifu (formal) Nihonkoku Seifu (informal) </Td> </Tr> <P> The government of Japan is a constitutional monarchy in which the power of the Emperor is limited and is relegated primarily to ceremonial duties . As in many other states, the Government is divided into three branches: the Legislative branch, the Executive branch and the Judicial branch . </P> <P> The Government runs under the framework established by the Constitution of Japan, adopted in 1947 . It is a unitary state, containing forty - seven administrative divisions, with the Emperor as its head of state . His role is ceremonial and he has no powers related to Government . Instead, it is the Cabinet, comprising the Ministers of State and the Prime Minister, that directs and controls the Government . The Cabinet is the source of power of the Executive branch, and is formed by the Prime Minister, who is the head of government . He or she is designated by the National Diet and appointed to office by the Emperor . </P>

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