PUBLISHED: 09:50, Thu, Oct 22, 2020 | UPDATED: 09:50, Thu, Oct 22, 2020
Less than two weeks before the US election on November 3, Mr Biden is currently leading Mr Trump in the national polls. Currently, the 10-poll average indicates that just over half of Americans intend to back the former Vice President, while Mr Trump’s support trails this by around five or six points. As former Democrat nominee Hillary Clinton discovered in 2016, though, the number of votes you win is less important than where you win them.
Most states nearly always vote the same way, meaning that in reality there are just a handful of states where both candidates stand a chance of winning.
These are the places where the election will be won and lost and are known as battleground states.
At the moment, polls in the battleground states look good for Mr Biden but according to Clifford Young, President of Ipsos Public Affairs, things can change very quickly, especially when Mr Trump is involved.
He told Express.co.uk: "Obviously, we know that in the US it is not about the national popular vote.
Joe Biden on brink: How Donald Trump can STILL win US election despite lagging in polls (Image: GETTY)
"We have a 50 states election and of those 50, about six states are important.