Records of Prime Ministers of the United Kingdom the middle name until the 1980s.) The richest Prime Minister was Lord Derby, with a personal fortune of over £7 million (about £444 million in today's money). The poorest was William Pitt the Younger, who was £40,000 (now over £1 million) in debt by 1800. Three Prime Ministers ultimately died as a result of accidents: Records of Prime Ministers of the United Kingdom The article lists the records of Prime Ministers of Great Britain and of the United Kingdom since 1721. The Prime Minister with the longest single term was Sir Robert Walpole, lasting 20 years and 315 days from
Historical rankings of Prime Ministers of Australia survey (and was judged to be the overall winner), although Alfred Deakin was nominated as the greatest prime minister by the most respondents. The four shortest-serving prime ministers were excluded from consideration, as well as the serving prime minister, Paul Keating. The total number of points was not published for prime ministers ranked outside the ten (except for those who received no points), only the order. In 2001, to commemorate the centenary of federation, "The Australian Financial Review" asked six historians to answer the question "who were the best five and who were the worst five prime ministers since 1901?".