Donald Trump is closing the gap in polls with the President six points off Joe Biden in national polling. 

A look at the seven-day rolling average of the approval rating of US presidential candidates Joe Biden and Donald Trump from RealClearPolitics showed the Republican closing the gap. 

While Biden has held a steady poll, Donald Trump has seen a recent surge with less than a week until the election. 

Joe Biden and Kamala Harris are targeting Republican strongholds a week before the US election.

Mr Biden is travelling to Georgia which has not supported a Democratic nominee for president since 1992 and later in the week will visit Iowa which President Donald Trump won comfortably in 2016.

Ms Harris, Mr Biden's vice presidential running mate, is heading to Arizona and Texas where Republicans have not lost an election for a statewide office since 1994.

The aggressive schedule is a sign of confidence by the Biden team, which is trying to stretch the electoral map and open up more paths to 270 electoral college votes.

The former vice president will also visit in the coming days Wisconsin, Michigan, and Florida.

Georgia, where Mr Biden will make two stops on Tuesday, has increasingly become a draw for Democrats in recent years, as turnout increases among black voters and the Atlanta suburbs tilt away from the Republicans.

"If this was the Georgia of 2008, 2012 I think there's no way we would have seen a Biden come this late," said Nse Ufot, chief executive officer of the New Georgia Project, which aims to increase voter registration, especially among young people and minorities.

"It's a loud signal and acknowledgement of Georgia as a battleground state."

Mr Trump is staying focused on the so-called "blue wall" states that he flipped in 2016: Pennsylvania, Michigan and Wisconsin, where he will return on Tuesday to hit West Salem just three days after holding a Janesville rally.

The latest surge could be a victory lap after the Senate on Monday approved the nomination of Amy Coney Barrett and gave conservatives a commanding, 6-3 advantage on the Supreme Court.

READ MORE: Donald Trump: US Senate confirms Amy Coney Barrett to the Supreme Court

Mr Trump has sought to use the vacancy created by the death of Justice Ruth Bader Ginsburg last month to animate conservative evangelical and Catholic voters to his candidacy, but the high court fight has been overshadowed by concerns over the coronavirus with cases surging.

Both campaigns focused Monday on Pennsylvania, with Mr Trump drawing thousands of largely mask-less supporters to rallies.

"It's a choice between a Trump boom or a Biden lockdown," the president said at a rally in Allentown.

With more than a third of the expected ballots in the election already cast, it could become increasingly challenging for Mr Trump and Mr Biden to reshape the race.

Mr Biden is leading in most national polls and has an advantage, though narrower, in many key battlegrounds.

READ MORE: Donald Trump comments on Rudy Giuliani Borat 2 footage branding creator Sacha Baron Cohen "a creep"

The campaign's final week is colliding with deepening concerns about the Covid crisis.

Mr Trump is anxious for voters to focus on other issues such as the economy.