Prime Minister of the United Kingdom sometimes used by foreign dignitaries and news sources. 10 Downing Street, in London, has been the official place of residence of the Prime Minister since 1732; they are entitled to use its staff and facilities, including extensive offices. Chequers, a country house in Buckinghamshire, gifted to the government in 1917, may be used as a country retreat for the Prime Minister. There are four living former British Prime Ministers: Upon retirement, it is customary for the Sovereign to grant a Prime Minister some honour or dignity. The honour bestowed is commonly, but not invariably, membership of the United Kingdom's most
Prime Minister of Japan is called the "Kantei" (官邸). The original Kantei served from 1929 until 2002, when a new building was inaugurated to serve as the current Kantei. The old Kantei was then converted into the Official Residence, or "Kōtei" (公邸). The Kōtei lies to the southwest of the Kantei, and is linked by a walkway. The Prime Minister of Japan travels in a Lexus LS 600h L, the official transport for the head of government, or an unmodified Toyota Century escorted by a police motorcade of numerous Toyota Celsiors. For long distance air travel, Japan maintains two Boeing 747-400 aircraft mostly for