Poll: Biden leads 2020 Democrats, Warren surges to third behind Sanders

Former Vice President Joe BidenJoe Biden2020 Dems slam Trump decision on West Bank settlements Trump calls latest impeachment hearings 'a great day for Republicans' Overnight Health Care: GOP senator says drug price action unlikely this year | House panel weighs ban on flavored e-cigs | New York sues Juul MORE leads the pack of Democratic presidential candidates, but Sen. Elizabeth WarrenElizabeth Ann Warren2020 Dems slam Trump decision on West Bank settlements Sanders doubles down on Bolivia 'coup,' few follow suit Overnight Health Care: GOP senator says drug price action unlikely this year | House panel weighs ban on flavored e-cigs | New York sues Juul MORE (D-Mass.) is on the rise, according to a Harvard CAPS/Harris poll released exclusively to The Hill.

The survey shows Biden in first place with 32 percent support among Democrats, followed by Sen. Bernie SandersBernie Sanders2020 Dems slam Trump decision on West Bank settlements Sanders doubles down on Bolivia 'coup,' few follow suit Overnight Health Care: GOP senator says drug price action unlikely this year | House panel weighs ban on flavored e-cigs | New York sues Juul MORE (I-Vt.) at 16 percent, both falling slightly from the previous poll.

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But Warren isn’t far behind. The new poll pegs her support at 13 percent — a 5-point jump since the last Harvard CAPS/Harris poll was conducted in the wake of the July Democratic presidential debates in Detroit. 

That places her third, replacing Sen. Kamala HarrisKamala Devi HarrisKamala Harris endorses Christy Smith in bid to fill Katie Hill's seat Poll: Biden holds 11-point lead over Warren in Arizona Poll: Biden and Warren are neck and neck in California MORE (D-Calif.) who came in fourth place with 7 percent support in the latest poll. South Bend, Ind., Mayor Pete ButtigiegPeter (Pete) Paul Buttigieg2020 Dems slam Trump decision on West Bank settlements Overnight Health Care: GOP senator says drug price action unlikely this year | House panel weighs ban on flavored e-cigs | New York sues Juul Buttigieg surges to 10-point lead in New Hampshire: poll MORE and former Rep. Beto O’Rourke (D-Texas) tied for fifth place with 4 percent support.

Only two other candidates notched above 1 percent in the survey: Sen. Cory BookerCory Anthony BookerKrystal Ball issues warning to Biden supporters Sanders official predicts health care, climate change will be top issues in fifth Democratic debate 2020 Democrats seek investigation into 'toxic culture' at NBC ahead of debate MORE (D-N.J.), with 3 percent, and former tech executive Andrew YangAndrew YangYang unveils plan to expand voter access Sanders official predicts health care, climate change will be top issues in fifth Democratic debate Panel: Dem candidates fear Tulsi attacks on debate stage MORE, with 2 percent.

While Biden still holds a comfortable lead over his closest competitors, his support is down 2 points from the last Harvard CAPS/Harris poll. No candidate gained more in the latest survey than Warren, who has been steadily climbing in public polls for months.

“Biden continues in our poll to have a steady lead above his rivals but that lead in the low 30s is no guarantee of the nomination,” Mark PennMark PennPoll: Majority say Hunter Biden's role on Ukrainian energy board was bad judgment Majority of Americans see impeachment inquiry as fair: poll Poll: Trump approval steady at 46 percent MORE, the co-director of the Harvard CAPS/Harris poll, said. 

“He has to show some movement soon as others are gaining in excitement and momentum. There may be scores of candidates in the race but only a few of them are getting to double digits.”

Still, Biden remains the candidate that voters see as having the best chance of defeating President TrumpDonald John TrumpDem senator says Zelensky was 'feeling the pressure' to probe Bidens 2020 Dems slam Trump decision on West Bank settlements Trump calls latest impeachment hearings 'a great day for Republicans' MORE in 2020. Thirty-six percent of respondents pointed to the vice president as the most formidable challenger to the president, while 13 percent chose Sanders and 8 percent picked Warren. 

The Harvard CAPS/Harris poll surveyed 985 registered Democratic voters from Aug. 26-28. The poll is a collaboration of the Center for American Political Studies at Harvard University and The Harris Poll. The Hill will be working with Harvard CAPS/Harris Poll throughout 2019.

Full poll results will be posted online later this week. The Harvard CAPS/Harris Poll survey is an online sample drawn from the Harris Panel and weighted to reflect known demographics. As a representative online sample, it does not report a probability confidence interval.