PUBLISHED: 00:59, Wed, Nov 4, 2020 | UPDATED: 01:07, Wed, Nov 4, 2020
One of Mr Trump's key successes during the last election was the manner in which he won the support of Catholics across the US, which reports suggest make up around 20 percent of the overall electorate. His ability to engage his own religious beliefs struck a chord with voters, and despite Mr Biden being a Catholic himself, support has remained firm for Mr Trump in the demographic. Previously, Pope Francis - head of the Vatican - has appeared to question Mr Trump on his faith, as a result of the President's decision to build a wall on the border of Mexico.
Despite this intervention, a report from the Pew Research Centre, show that Mr Trump still holds a healthy lead over rival Mr Biden, with 78 percent of white evangelicals supporting the US President.
A further 53 percent of white non-evangelical white Protestants and around 52 percent of white Catholics also show support for Mr Trump.
Yet, for Vatican author Lynda Telford Mr Biden will never truly have a chance to completely sway these demographics over due to his stance on abortion.
The writer of 'Women of the Vatican - Female Power in a Male World' told Express.co.uk that despite claims that question marks remain over Mr Trump's faith, Catholic Americans "don't need their President to be Catholic".
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She explained that they do want their leader to "live a moral and ethical life", adding: "Mr Trump is less likely to be influenced by the Vatican, but he has shown himself to be something of a loose cannon, so his own standing has been damaged, except with the more right-wing voters".
Ms Telford does believe that although some within the Catholic church have suspicions over Mr Trump, Mr Biden's past comments would always be a stick used to