World’s oldest/youngest serving leaders Cameroon’s Paul Biya, who is the world’s oldest leader at the age of 92, has been president of the Central African nation for 43 years Name Country Age 1 Paul Biya (right) Cameroon 92 2 Mahmoud Abbas Palestine 89 3 Salman bin Abdulaziz al Saud Saudi Arabia 89 4 Harald V Norway 88 5 Ali Khamenei Iran 86 6 Jean-Lucien Savi de Tové Togo 86 7 Muhammad Yunus Bangladesh 85 8 Peter Mutharika Malawi 85 9 Mishal I Kuwait 85 10 Michael D. Higgins Ireland 84 OLDEST SERVING STATE LEADERS YOUNGEST 10 Gabriel Boric Chile 39 9 Sébastien Lecornu* France 39 8 Matteo Rossi San Marino 39 7 José Jerí Peru 38 6 Jakov Milatović Montenegro 38 5 Milojko Spajić Montenegro 38 4 Daniel Noboa Ecuador 37 8 Ibrahim Traoré Burkina Faso 37 2 Kristrún Frostadóttir (left) Iceland 37 1 Lorenzo Bugli San Marino 30 Sources: Financial Times, Wikipedia Illustrations source: Getty Images *Caretaker prime minister © GRAPHIC NEWS