Jimmy Carter – 96

Another former politician that President Joe Biden visited recently is Jimmy Carter, America’s 39th president (1977-1981). The POTUS and first lady Jill Biden went to the Georgia home of Carter and his wife, former first lady Rosalynn. As per ABC7, the Bidens only stayed an hour at their humble $167K-worth ranch-style home. At 96 years old, Carter has already been in retirement for 40 years. This makes him the oldest living American president and has the lengthiest retirement of any of them. The Nobel Peace Prize awardee also holds the record for being the seventh-most senior living former world leader.