George Bush and he was 50 years old
The oldest president in the world is the leader of Israel. Shimon Peres is 90 years old, with Zimbabwe's 89-year old president following behind him as the second oldest in office.
The oldest president to be elected into the presidential office was Ronald Reagan. He was sixty-nine years old at the time.
In 1981, Ronald Reagan became the oldest US President to take office, at 69 years, 11 months and 14 days. He served two terms and left office in 1989 at almost 78 years old.
He is 70 years old the oldest of any president entering office
As of 2014, the oldest president of the United States was Ronald Reagan. He was 69 years old at the time he took office.
The oldest former U.S. President at the time of his death was Gerald Ford, who died on 26 Dec 2006 at the age of 93 years and 5 months. President Ford's life was 45 days longer than Ronald Reagan's.The oldest U.S. President at the time he left office was Ronald Reagan, who was 77 years and 11 months old when he left office on 20 Jan 1989.The oldest U.S. President at the time he took office was Donald Trump, who was 70 years and 7 months old when he took office on 20 Jan 2017.The oldest living former U.S. President is George H. W. Bush, who turned 92 on 12 Jun 2016.
He has to be at least 35 years old.
The constitution states that the president has to be at least 35 years old.
Of the 44 U.S. presidents the oldest was Ronald Reagan, who was 69 years, 11 months,and 15 days old when taking office in 1981, and 77 years, 11 months, and 15 days old when he left office in 1989.
You have to be 35 by the time you take actually take office.
69 years old
President Ronald Reagan was the 40th President of the United States of America. He was 69 when he took office which is the oldest presidency to date.