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 5 points higher in a new national poll following the first Democratic presidential debate.

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Former Secretary of State 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 continues to lead the field, according to a CNN/ORC poll released Monday morning, with 45 percent support among registered Democrats and independent voters who lean toward Democrats.

Sanders is now at 29 percent, pollsters found.

Vice President Joe Biden, who is reportedly nearing a decision on a White House run, has 18 percent support.

No other Democratic candidate had more than 1 percent support.

Biden has the highest favorability of any Democratic candidate among the general population with 51 percent. Clinton’s favorability is 46 percent, pollsters found, although she has a 50 percent unfavorable rating. Sanders’s favorability rating stands at 41 percent.

Clinton’s lead over Sanders rises to 23 points should Biden decide against a third Oval Office bid. She takes 56 percent to Sanders’s 33 percent in that scenario, according to the latest CNN/ORC survey.

Support for Biden’s potential presidential campaign is also waning following last week’s debate in Las Vegas. Forty-seven percent would now support his White House run, down 6 points from a similar poll in August.

The amount of Democratic voters who are “very satisfied” with their options for president in 2016 is now 33 percent, up from 26 percent two months ago.

The percentage of Democratic voters who are “fairly satisfied” with their party’s presidential field was steady at approximately 70 percent.

The poll of 1,028 adults, conducted between Oct. 14 and Oct. 17, has a margin of error of 3-percentage points for all Americans as well as registered voters.

--Mark Hensch contributed to this report, which was updated at 7:24 a.m.