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 Five points were awarded to each historian's choice as the best and worst prime minister, and so on down to one point for the fifth-best and fifth-worst prime ministers. Alfred Deakin was a unanimous choice as Australia's best prime minister, winning full votes from each selector; Robert Menzies also appeared on every "best" list. No one prime minister appeared on all six "worst" lists, although William McMahon appeared on five and James Scullin on four. Several prime ministers appeared on both "best" and "worst" lists, sometimes from the same selector. Stuart Macintyre considered Menzies to be Australia's second-best prime minister