Democratic presidential nominee Hillary Clinton Hillary Diane Rodham ClintonJoe Biden looks to expand election battleground into Trump country Biden leads Trump by 12 points among Catholic voters: poll The Hill's Campaign Report: Biden goes on offense MORE has a 6-point lead over Republican rival Donald Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE, according to a new NBC News/SurveyMonkey Weekly Election Tracking poll.

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Clinton is favored by 48 percent of registered voters, while Trump is backed by 42 percent.

In a four-way matchup including Libertarian Party nominee Gary Johnson Gary Earl JohnsonWhat the numbers say about Trump's chances at reelection Presidential race tightens in Minnesota as Trump plows resources into state The Hill's Campaign Report: Biden condemns violence, blames Trump for fomenting it l Bitter Mass. primaries reach the end l Super PAC spending set to explode MORE and Green Party nominee Jill Stein, Clinton has a 4-point lead over Trump, 41 percent to 37 percent. Johnson has 12 percent support, and Stein is favored by 4 percent of registered voters.

Clinton has an advantage over Trump in the Northeast and West, pollsters found. Clinton and Trump are tied in the Midwest, and Trump has a 1-point lead in the South.

The poll was conducted from Aug. 29 to Sept. 4 among 32,226 adults who say they are registered to vote. The margin of error is 1 percentage point.

According to the RealClearPolitics average of polls, Clinton has a 3.3-point lead over the Republican nominee. In a CNN/ORC poll released Tuesday, Trump has a 2-point advantage over the Democratic nominee among likely voters.

Several recent polls have shown the race between both major-party nominees tightening in the final push ahead of the general election in November.