President Trump Donald John TrumpBiden says voters should choose who nominates Supreme Court justice Trump, Biden will not shake hands at first debate due to COVID-19 Pelosi: Trump Supreme Court pick 'threatens' Affordable Care Act MORE narrowly trails the top Democratic presidential contenders ahead of next year’s 2020 general election and is tied with South Bend, Ind., Mayor Pete Buttigieg Pete ButtigiegBillionaire who donated to Trump in 2016 donates to Biden The Hill's Morning Report - Sponsored by Facebook - GOP closes ranks to fill SCOTUS vacancy by November Buttigieg stands in as Pence for Harris's debate practice MORE (D), according to a new Emerson College poll released Wednesday.

Trump trails former Vice President Joe Biden Joe BidenBiden says voters should choose who nominates Supreme Court justice Trump, Biden will not shake hands at first debate due to COVID-19 Joe Biden should enact critical government reforms if he wins MORE and Sen. Bernie Sanders Bernie SandersTrump, Biden will not shake hands at first debate due to COVID-19 Sanders tells Maher 'there will be a number of plans' to remove Trump if he loses Sirota reacts to report of harassment, doxing by Harris supporters MORE (I-Vt.) by a 52-48 margin and Sen. Elizabeth Warren Elizabeth WarrenOvernight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds On The Money: Half of states deplete funds for Trump's 0 unemployment expansion | EU appealing ruling in Apple tax case | House Democrats include more aid for airlines in coronavirus package Warren, Khanna request IG investigation into Pentagon's use of coronavirus funds MORE (D-Mass.) by a 51-49 margin. Trump and Buttigieg are knotted up at 50-50.

The poll marks a dip for Trump, who led against Biden and Buttigieg and was tied with Warren in the same poll in November.

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Trump’s margins against the top four Democrats are fueled largely by strong leads among male voters and double-digit deficits among female voters.

The president holds 12-point leads among men against Biden and Buttigieg, a 16-point lead against Warren and an 8-point lead over Sanders.

However, he faces steep gaps among women, trailing the top four Democrats anywhere from 10 to 18 points among the demographic, a key Democratic voting bloc.

Trump is anchored by a slightly underwater approval rating, with 46 percent of voters approving of the job he’s doing while 49 percent disapprove. The rating marks a slight dip from November, when 48 percent of voters approved of the job Trump was doing and 47 percent disapproved.

The poll, which comes the same day as the House is set to vote on two articles of impeachment against Trump, shows that voters are split on the president's ouster, with 45 percent in support and 45 percent in opposition.

The Emerson College poll surveyed 1,222 registered voters from Dec. 15 to 17 and has a margin of error of 2.7 percentage points.