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 six-point lead over 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 nationally, according to a poll released Wednesday.

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Clinton has 44 percent support among likely voters to Trump's 38 percent in the Ipsos/Reuters national tracking poll, which was taken before Monday's first presidential debate.

Clinton's lead shrinks slightly when third-party candidates are included. In that scenario, she has 42 percent to Trump's 38 percent. Libertarian 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 has 7 percent and Green Party nominee Jill Stein is backed by 2 percent.

In last week's poll, the two major party's nominees were tied at 39 percent in a head-to-head poll. In the four-way matchup last week, Trump had a two-point lead.

This week's poll was conducted among 1,041 likely voters from Sept. 22 to 26. The margin of error is 3.5 percent.