When you buy through links on our articles, Future and its syndication partners may earn a commission. Paul Biya has been president of Cameroon since 1982, making him the world's longest-serving non-royal head of state and, at 91, the world's oldest leader.

The expected return of Cameroon’s president Paul Biya to Yaoundé has not occurred. Financial markets are reacting to growing concerns about his health, while several key government figures have been called to Geneva.

Cameroon’s government banned media debate about the health of President Paul Biya, whose absence from public view since last month has stoked speculation about his wellbeing.

Cameroon's 91-year-old president, Paul Biya, is in good health, the government said on Tuesday in a statement, calling widespread reports saying otherwise "pure fantasy."

Cameroon's government has banned media discussions about the health of 91-year-old President Paul Biya, who has been absent from public view since early September. Interior Minister Paul Atanga Nji issued the directive,