 It depends. Unless the Lord Almighty comes out and tells me that, I might do that. President Biden is 81 years old, the oldest sitting president. Recent polls have shown Americans are concerned about his age and ability to serve another term in office. According to the latest ABC News Washington Post's Ipsos poll, 85% of Americans said he is too old for a second term. Two-thirds, including a majority of the president's own supporters, said he should step aside given his debate performance.