Joe Biden hit by damning poll as majority of Americans think he's too old for second term

However, a damning poll of American adults found both Republicans and Democrats are concerned about Biden’s age.

The poll, which asked 1,165 people whether they believe age would be an issue, revealed 77 per cent of respondents agreed that age would be a factor for the octogenarian to perform his role.

Data also revealed that Biden’s age is a bi-partisan issue with 89 per cent of Republicans and 69 per cent of Democrats agreeing with the age factor.

Beyond just asking questions, the poll also asked respondents to perform a word association exercise.

Results were damning for Biden with over a quarter (26 per cent) mentioning Biden’s age while around 15 per cent used words synonymous with “slow” or “confused”.

Among Democrat voters, Biden’s age was mentioned by 28 per cent but the language used was much softer than their red-voting counterparts, calling the current president “leader”, “strong”, and “capable”.

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​Donald Trump, 77, who was also measured in the poll, came out much more favourably with just over half (51 per cent) thinking age would be a problem.

However, the recently jailed and released former president has the backing of the Republican party with 29 per cent of respondents backing the star-spangled elephant showing concern for Trump’s age.

In word association, just three per cent thought Trump was “confused”, while even fewer (one per cent) thought he was “old”.

Voter’s top associated words for Trump included “corrupt” and “crooked” (15 per cent).

​Other negative words used to describe the 2016 elected president include “liar” and “dishonest” (eight per cent).

Positive reactions to Trump, such as simply “good”, also ranked around eight per cent.

“When people look at a candidate, whether he’s Joe Biden, or Trump, or Bernie Sanders, anybody else, they have to evaluate a whole lot of factors,” Sanders told NBC when he was asked about Biden’s age during an interview.

Despite several blunders involving the US president, Sanders confirmed Biden was in good health, saying, “he seemed fine to me”.

Sanders added: “But I think at the end of the day, what we have to ask ourselves is, 'What do people stand for?'

“Do you believe that women have a right to control their own bodies? Well, the president has been strong on that.”