Cameroonian President Paul Biya is the world's oldest elected leader, at 90 years old. In second place is Palestinian President Mahmoud Abbas (Abu Mazen), who has headed the Palestinian National Authority since 2005.

In Africa, the age and tenure of leaders in power regularly break records: In Zimbabwe, Emmerson Mnangagwa, who has ruled the country since the end of 2017 after a military coup, is 80. In Italy, the popular Italian President Sergio Mattarella, who was elected in early 2015 by indirect universal suffrage by parliament, celebrated his 81st birthday.