Jimmy Carter remains a home hospice patient and there are “no updates” on the former president’s health, according to a spokesperson for the Carter Center.
Ms Carter’s death came just days after it was announced that the 96-year-old had also entered home hospice. She had been diagnosed with dementia in May.
The former president’s last public appearance came in September, when in a surprise, he and his wife took part in the Peanut Festival in Plains.
The couple were seen riding in an SUV and waving to the crowd.
Mr Carter, who is 99 and described his late wife as “my equal partner in everything I ever accomplished”, entered hospice care in February.
The Carter Center announced at the time that “after a series of short hospital stays, former U.S. President Jimmy Carter today decided to spend his remaining time at home with his family and receive hospice care instead of additional medical intervention.”
Joe Biden revealed in March that Mr Carter had asked him to deliver his eulogy, and in May his grandson, Jason Carter, said that he had been enjoying visits from family members and eating ice cream.
His grandson Josh Carter told People in August that “it’s clear we’re in the final chapter.”
“He’s still fully Jimmy Carter. He’s just tired. I mean he’s almost 99 years old, but he fully understands [how many well wishes he’s received] and has felt the love.”
And in September, Jason Carter told USA Today that the couple was “coming to the end, as we know.”
He added: “He’s been in hospice now for several months, but they are happy. They are together. They are at home. They’re in love, and I don’t think anyone gets more than that. I mean, it’s a perfect situation for this time in their lives.”
The former president, he said, was facing “really significant physical challenges.”