Poll: Biden leads Trump by 9 points nationally

Former Vice President Joe BidenJoe BidenTrump State Department appointee arrested in connection with Capitol riot FireEye finds evidence Chinese hackers exploited Microsoft email app flaw since January Biden officials to travel to border amid influx of young migrants MORE lead President TrumpDonald TrumpTrump State Department appointee arrested in connection with Capitol riot Intelligence community investigating links between lawmakers, Capitol rioters Michelle Obama slams 'partisan actions' to 'curtail access to ballot box' MORE by 9 percentage points nationally, according to a new Hill-HarrisX survey.

Biden lead Trump 47 percent to 38 percent, respectively. In a previous poll conducted by Hill-HarrisX Aug. 15-18, Biden garnered 46 percent support, while Trump's support remained at 38 percent. 

The Aug. 22-25 survey released Wednesday found that 8 percent of respondents were undecided in the race.

Four percent said they prefer a different candidate and 3 percent said that they do not plan to vote in November.

Biden holds a 10-point lead over Trump among independent voters in the poll, garnering 39 percent support to Trump's 29 percent. 

Support within the two candidates' respective parties differed slightly. Eight-seven percent of Democrats said they would vote for Biden, while 83 percent of Republicans said they would vote for Trump. 

The survey comes as the Republican National Convention enters its third night, where Vice President Pence will be the featured speaker.

The survey of 2,861 registered voters was conducted online and has a margin of error of plus or minus 1.83 percentage points. 

Gabriela Schulte