The former president was born Oct. 1, 1924 in Plains, where he has lived more than 80 of his 100 years. He is expected to mark his birthday in the same one-story home he and Rosalynn built in the early 1960s — before his first election to the Georgia state Senate. The former first lady, who was also born in Plains, died last November at 96.

In 1998, at the ripe age of 74, former President Jimmy Carter put some of his thoughts about getting older to paper. “The virtues of aging,” Carter wrote in a book that year, “include both the blessings that come to us as we grow older and what we have to offer that might be beneficial to others.