Sen. Bernie Sanders Bernie SandersButtigieg stands in as Pence for Harris's debate practice Bernie Sanders warns of 'nightmare scenario' if Trump refuses election results Harris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda MORE (I-Vt.) is more electable than Democratic presidential rival Hillary Clinton Hillary Diane Rodham ClintonButtigieg stands in as Pence for Harris's debate practice Senate GOP sees early Supreme Court vote as political booster shot Poll: 51 percent of voters want to abolish the electoral college MORE against several top Republican candidates, according to the new national Quinnipiac University Poll.

ADVERTISEMENT

Sanders leads Sen. Ted Cruz Rafael (Ted) Edward CruzTrump argues full Supreme Court needed to settle potential election disputes Press: Notorious RBG vs Notorious GOP The Hill's Morning Report - Sponsored by Facebook - Washington on edge amid SCOTUS vacancy MORE (R-Texas) by 10 points, businessman Donald Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE by 8 points, retired neurosurgeon Ben Carson by 6 points and Sen. Marco Rubio Marco Antonio RubioOvernight Defense: Pentagon redirects pandemic funding to defense contractors | US planning for full Afghanistan withdrawal by May | Anti-Trump GOP group puts ads in military papers Democrats step up hardball tactics as Supreme Court fight heats up Press: Notorious RBG vs Notorious GOP MORE (R-Fla.) by 1 point in the poll.

Clinton also leads the top four Republican candidates, but by slightly smaller margins. She leads Cruz by 5 points, Trump by 6 points, Carson by 3 points and Rubio by 1 point in the survey.

Still, Clinton has widened her lead in the Democratic race to 30 points in the poll, taking 60 percent to Sanders's 30 percent. Former Maryland Gov. Martin O'Malley takes 2 percent in the latest poll.

On the Republican side, Trump has widened his lead and is now supported by 27 percent, followed by Rubio at 17 percent and Cruz and Carson tied at 16 percent.

The survey of 1,453 registered voters was conducted Nov. 23 to Nov. 30 via landlines and cellphones with an overall margin of error of 4.1 percentage points.