Longest-Serving Leaders in the World

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Teodoro Obiang Nguema Mbasogo

President Paul Biya of Cameroon wearing a black coat, black tie, and light blue scarf, outdoors at the Elysee Palace.

Yoweri Museveni, President of Uganda, speaks at a podium with the United Nations emblem during a meeting at the UN General Assembly.

Tajik President Emomali Rahmon stands in front of a blue background, wearing a dark suit and red tie, gesturing with his right hand.

President of Belarus Alexander Lukashenko stands at a podium, wearing a dark suit and tie, speaking during a formal meeting.

Denis Sassou-Nguesso, president of the Republic of the Congo, stands at a United Nations microphone in a suit and tie, with flags and artwork in the background.

Djibouti President Ismail Omar Guelleh wearing a dark pinstripe suit, white shirt, and red tie, looking forward at an event.

President of Rwanda Paul Kagame wearing a suit and glasses, speaking at a podium with a green marble background at the United Nations.

Longest-Serving Leaders in the World: Media

Images

Teodoro Obiang Nguema Mbasogo

Teodoro Obiang Nguema Mbasogo

Teodoro Obiang Nguema Mbasogo, 2009.

Lawrence Jackson—Official White House Photo

President Paul Biya of Cameroon wearing a black coat, black tie, and light blue scarf, outdoors at the Elysee Palace.

Paul Biya

Cameroonian president Paul Biya arrives in Paris to attend the Summit for Peace and...

Antoine Gyori—Corbis/Getty Images

Yoweri Museveni, President of Uganda, speaks at a podium with the United Nations emblem during a meeting at the UN General Assembly.

Yoweri Museveni

Ugandan Pres. Yoweri Museveni, 2005.

Paulo Filgueiras/UN Photo

Tajik President Emomali Rahmon stands in front of a blue background, wearing a dark suit and red tie, gesturing with his right hand.

Emomali Rahmon

© Contributor/Getty Images

Isaias Afwerki

Isaias Afwerki

Isaias Afwerki, 2002.

Helene C. Stikkel/U.S. Department of Defense

President of Belarus Alexander Lukashenko stands at a podium, wearing a dark suit and tie, speaking during a formal meeting.

Alexander Lukashenko

Alexander Lukashenko.

© Drop of Light/Shutterstock.com

Denis Sassou-Nguesso, president of the Republic of the Congo, stands at a United Nations microphone in a suit and tie, with flags and artwork in the background.

Denis Sassou-Nguesso

Congolese Pres. Denis Sassou-Nguesso speaks with reporters at the United Nations...

Devra Berkowitz/UN Photo

Djibouti President Ismail Omar Guelleh wearing a dark pinstripe suit, white shirt, and red tie, looking forward at an event.

Ismail Omar Guelleh

Djibouti's president, Ismail Omar Guelleh, attends the opening ceremony of the 24th...

Eric Gaillard—AFP/Getty Images

Vladimir Putin

Vladimir Putin

Official portrait of Vladimir Putin.

President of Russia, The Kremlin, Moscow

President of Rwanda Paul Kagame wearing a suit and glasses, speaking at a podium with a green marble background at the United Nations.

Paul Kagame

Paul Kagame, 2016.

Cia Pak/UN Photo

Recep Tayyip Erdoğan

Recep Tayyip Erdoğan

Turkish Prime Minister Recep Tayyip Erdoğan, 2008.

Photo by Serkan Eldeleklioglu-Bora Omerogullari-Ozan Atasoy/Copyright World Economic Forum (www.weforum.org)