The world's oldest heads of state

As of 2025, several world leaders have not only held onto power for extended periods but have also become some of the oldest heads of state.

According to a Monitor.co.ug report, these leaders have demonstrated remarkable longevity in their political careers.

Here are some examples of the world's oldest heads of state:

Paul Biya (Cameroon)

At 91, Paul Biya is the world's oldest elected leader. He has ruled Cameroon since November 1982, making him one of the longest-serving leaders globally. Known for his inscrutable nature, Biya has maintained a firm grip on power for over four decades.

King Salman bin Abdulaziz Al Saud (Saudi Arabia)

The sons of King Abdulaziz have held the throne of Saudi Arabia since 1953. The monarch, King Salman bin Abdulaziz Al Saud, assumed power in January 2015 and is 89.

Pope Francis (Vatican City)

Pope Francis, 88, is the head of the Catholic Church and sovereign of Vatican City. He is the first Jesuit pope from the Americas and the Southern Hemisphere and the first non-European pope since the 8th century.

Harald V of Norway

Harald V, King of Norway, 87, is a member of the House of Glücksburg. He is the third child and only son of King Olav V and Princess Märtha of Sweden and was second in line to the throne at birth.

Teodoro Obiang Nguema Mbasogo (Equatorial Guinea)

Teodoro Obiang Nguema Mbasogo, 82 has been in power since August 1979, following a coup. He is Africa's longest-serving leader, having ruled Equatorial Guinea for over 43 years. His tenure is marked by significant political control and limited opposition.