© Getty Images

Ismaïl Omar Guelleh -

Ismaïl Omar Guelleh has been the president of Djibouti since 1999. Guelleh is one of the longest-serving rulers in Africa, and he's 77 years old.

© Getty Images

Tuimalealiʻifano Vaʻaletoʻa Sualauvi II -

Afioga Tuimalealiifano Vaaletoa Sualauvi II is the O le Ao o le Malo (head of state) of Samoa. He is also 77.

© Getty Images

Hassanal Bolkiah -

Hassanal Bolkiah ibni Omar Ali Saifuddien III has ruled as Sultan of Brunei since 1967. Bolkiah is 78 years old.

© Getty Images

Carl XVI Gustaf -

The king of Sweden was born on April 30, 1946, and ascended to the throne in 1973. Carl XVI Gustaf is 78.

© Getty Images

Isaias Afwerki -

Isaias Afwerki has been the president of Eritrea since 1993. He is 78.

© Getty Images

Abdelmadjid Tebboune -

The Algerian politician has been the head of state since 2019. Abdelmadjid Tebboune is 79 years old.

© Getty Images

Daniel Ortega -

The president of Nicaragua took office in 2007. Daniel Ortega was born on November 11, 1945. He is 79.

© Getty Images

Thongloun Sisoulith -

President of Laos since 2021, Thongloun Sisoulith is one of the oldest world leaders, at 79.

© Getty Images

Luiz Inácio Lula da Silva -

The president of Brazil, also known simply as Lula, was born on October 27, 1945. He too is 79 years old.

© Getty Images

Hans-Adam II, Prince of Liechtenstein -

Prince Hans-Adam II is among the oldest heads of state in the world, at the age of 79.

© Getty Images

Ram Chandra Paudel -

The third president of Nepal took office in 2023. Ram Chandra Paudel was born on October 15, 1944, He is 80.

© Getty Images

Yoweri Museveni -

Yoweri Museveni was born on September 15, 1944, and took office in 1986. The Ugandan president is 80 years old.

© Getty Images

Abdul Latif Rashid -

Abdul Latif Rashid became the ninth president of Iraq in 2022. Latif Rashid is 80.

© Getty Images

Alexander Van der Bellen -

The president of Austria is the first octogenarian on this list. Alexander Van der Bellen was born on January 18, 1944, and is 80 years old.

© Getty Images

Denis Sassou Nguesso -

The president of the Republic of the Congo is currently serving his second term. Denis Sassou Nguesso is now 81 years old.

© Getty Images

Joe Biden -

The 46th US president was born on November 20, 1942. Joe Biden is 82 years old.

© Getty Images

Emmerson Mnangagwa -

Emmerson Mnangagwa has been president of Zimbabwe since 2017. He is also 82 years old.

© Getty Images

Teodoro Obiang Nguema Mbasogo -

The president of Equatorial Guinea was born on June 5, 1942. Teodoro Obiang Nguema Mbasogo  is 82.

© Getty Images

Alassane Ouattara -

The president of the Ivory Coast was born on January 1, 1942. Alassane Ouattara turns 83 in 2025.

© Getty Images

Sergio Mattarella -

Sergio Mattarella is the president of Italy and has been so since 2015. Mattarella was born on July 23, 1941, which means he is currently 83.

© Getty Images

Michael D. Higgins -

The president of Ireland is 83 years old. Michael D. Higgins was born on April 18, 1941 in Limerick, Ireland.

© Getty Images

Harald V of Norway -

Harald V ascended the throne in 1991. The king of Norway turns 88 on February 21 2025.

© Getty Images

Pope Francis -

Pope Francis is not just the head of the Catholic Church. He is also the sovereign of the Vatican City State. Francis was born on December 17, 1936, in Flores, Buenos Aires, Argentina. He is 88 years old.

© Getty Images

Salman of Saudi Arabia -

Salman bin Abdulaziz Al Saud has been king of Saudi Arabia since 2015. He is currently 89.

© Getty Images

Mahmoud Abbas -

The president of the State of Palestine was born on November 15, 1935. Mahmoud Abbas is 89.

© Getty Images

Paul Biya -

Paul Biya is currently the oldest world leader. The president of Cameroon is 91 years old. 

Sources: (Pew Research Center) (Visual Capitalist) 

© Getty Images