How Old Is Donald Trump 2024. Donald trump turned 78 years old on june 14 this year. So, with biden dropping out, donald trump has instantly become the oldest nominee in us history, and it is the republicans who will now have to confront the age.

Trump turned 78 on friday, and would be the oldest president ever inaugurated if he wins in november — a distinction he shares with his older rival. March 16, 2023, 11:31 am pdt.