That includes 59% of the people polled who said that both Biden, 81, and the 77-year-old former US president, Donald Trump, are too old to be the head of state and 27% who said that it was exclusively Biden who is too old for the second term in the White House.
As for Trump, 62% think that he is too old for the job. That includes 3% who think that only the Republican front-runner is too old. Only 11% of the respondents said neither of the presidents, Biden and Trump, was too old to go for another term.
The poll was conducted from February 9-10 among 528 adult US citizens with a margin of sampling error of 4.5%.
Biden is the oldest sitting US president. If he wins the election in 2024, he will be 82 when he takes office, and 86 when he completes his second term.