| WILLIAMMASSEY | New Zealand's second longest- serving Prime Minister (7,6) |
| MASSEY | Who is the second longest serving prime minister of New Zealand after Seddon? (6) |
| CLUTHA | New Zealand's second longest river at 338km (6) |
| ROBERTWALPOLE | Britain's longest serving prime minister (6,7) |
| ROBERTMENZIES | The longest-serving Prime Minister of Australia (1939-41) and (1949-66) (6,7) |
| MACKENZIEKING | Canada's longest serving PM |
| NEHRU | Longest-serving Prime Minister of India |
| KING | Canada's longest serving Prime Minister |
| MENZIES | Who was the longest-serving prime minister of Australia (7) |
| ABE | Shinzo ___, Japan's longest-serving prime minister |
| BLAIR | The Labour Party's longest-serving Prime Minister (5) |
| ROBERT | And 33 The longest-serving prime minister in Australian history (6,7) |
| CASTRO | Longest-serving prime minister (1959-1976) (6) |
| FIDEL | Longest-serving prime minister (1959-1976) (5) |
| NETANYAHU | Benjamin -, longest-serving prime minister of Israel (9) |
| TONYBLAIR | The British Labour Party's longest-serving Prime Minister, now the United Nations envoy to the Middl |
| SATO | Longest-serving prime minister of Japan (1964-72), co-recipient of the Nobel Peace Prize in 1974 (6,4) |
| GEORGES | Longest-serving prime minister of France (1962-8), who later (1969-74) succeeded Charles de Gaulle as president (7) |
| POMPIDOU | Longest-serving prime minister of France (1962-8), who later (1969-74) succeeded Charles de Gaulle as president (8) |
| CHARLESTUPPER | Canada's shortest serving PM |
