Cameroon’s 92-year-old President Paul Biya, the world’s oldest head of state, is likely to extend his rule as the country holds its presidential election on Sunday. Biya, who has led since 1982, remains the most powerful figure in the nation despite worries about his health and criticism of his long, firm grip on power.

Eleven opposition candidates are contesting the election, but their lack of unity makes it hard for them to challenge Biya. According to analysts his party, the Cameroon People’s Democratic Movement (CPDM), still controls key institutions, the media, and the election process advantages that have helped him win in the past.

Rights groups and observers have questioned how fair the election will be, pointing to limits on opposition campaigns and reports of intimidation. Still, Biya has strong support, especially from older Cameroonians who believe he has kept the country stable despite political and security challenges.

Most of Cameroon’s 7.8 million voters have known only Biya as president. Another win would keep him in power until nearly 100, cementing his long rule.