Who Is The Oldest Alive President 2025 Oldest Alive. With the death of jimmy carter, donald trump is now the oldest living former us president. Trump is now the oldest living former president;

He won the 2024 general election and will return to office when biden steps down. Joe biden was inaugurated as the 46th president of the united states on january 20, 2021, becoming the oldest individual to assume the presidency at the age of 78.