Poll: Trump trails Biden by 4 points in new national survey

Less than 90 days before the November elections, President TrumpDonald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE is trailing former Vice President Joe BidenJoe BidenSenate Republicans face tough decision on replacing Ginsburg What Senate Republicans have said about election-year Supreme Court vacancies Biden says Ginsburg successor should be picked by candidate who wins on Nov. 3 MORE by 4 percentage points in a new Hill-HarrisX national poll.

Forty-four percent of registered voters in the August 8-11 survey said they'd vote for Biden if the election were held today.

By contrast, 40 percent of voters said they'd choose Trump at the ballot box.

Four percent of voters said they'd prefer someone else as their candidate for president, while another 4 percent of voters do not plan to vote.

Nine percent of voters remain unsure.

The survey was conducted just before presumptive Democratic nominee Biden chose his vice presidential candidate, Sen. Kamala HarrisKamala HarrisThe Hill's Campaign Report: Trump and Biden vie for Minnesota | Early voting begins in four states | Blue state GOP governors back Susan Collins Kamala Harris: Black Americans have been 'disproportionately harmed' by Trump Biden town hall draws 3.3 million viewers for CNN MORE (D-CA).

Biden and Harris are set to officially accept the nomination at next week's Democratic convention.

The Hill-HarrisX poll was conducted online among 2,828 registered voters between Aug. 8 and 11. It has a margin of error of plus or minus 1.84 percentage points.

— Gabriela Schulte