Former Vice President Joe BidenJoe BidenFord to bolster electric vehicle production in multi-billion dollar push Protesters demonstrate outside Manchin's houseboat over opposition to reconciliation package Alabama eyes using pandemic relief funds on prison system MORE is leading a new CNN poll of Democrats and Democratic-leaning independents that also shows increasing support for Sen. Kamala HarrisKamala HarrisNavarro rips 'dimwit' Trump Jr. on 'The View' for COVID-19 and obesity tweet Do progressives prefer Trump to compromise? Biden, Harris push big lie about Border Patrol MORE (D-Calif.).
Biden, who has yet to enter the Democratic presidential race, is out in front with 28 percent of those polled. In second place is Sen. Bernie SandersBernie SandersDo progressives prefer Trump to compromise? Texas House Republican tests positive for coronavirus in latest breakthrough case In defense of share buybacks MORE (I-Vt.), who is backed by 20 percent of voters.
But support for Harris in the poll has jumped to 12 percent, an 8-point increase since the most recent edition of the poll was released in December.
Following Harris is former Rep. Beto O’Rourke (D-Texas) at 11 percent. O’Rourke launched his presidential campaign last week.
No other candidate received double-digit support in the poll. Sen. Elizabeth WarrenElizabeth WarrenIn defense of share buybacks Democrats urge Biden to go all in with agenda in limbo In Washington, the road almost never taken MORE (D-Mass.) is in fifth with 6 percent of support, according to the poll.
Biden's support dropped from 30 percent to 28 percent, while Sanders's support rose from 14 percent to 20 percent.
O'Rourke also saw a two-point climb from the last poll, while Warren went up from 3 percent to 6 percent.
Former Secretary of State John KerryJohn KerryOvernight Energy & Environment — Presented by the League of Conservation Voters — EPA finalizing rule cutting HFCs Overnight Energy & Environment — Presented by the League of Conservation Voters — Senate Finance chair backs budget action on fossil fuel subsidies Kerry: 'We can't get where we need to go' in climate fight if China isn't joining in MORE (D), who has yet to enter the race, gets 4 percent, while Sen. Cory BookerCory BookerLawmakers gear up for spending bill, infrastructure votes Booker: End of police reform negotiations a 'frustrating experience' Sunday shows - All eyes on spending votes MORE (D-N.J.), who is in the race, has 3 percent.
A more centrist candidate, Sen. Amy KlobucharAmy KlobucharHillicon Valley — Presented by Xerox — Officials want action on cyberattacks Senate panel advances antitrust bill that eyes Google, Facebook This week: Democrats face mounting headaches MORE of Minnesota (D), also gets 3 percent.
No other candidate in the race has more than 1 percent. That group includes Sen. Kirsten GillibrandKirsten Gillibrand11 senators urge House to pass .5T package before infrastructure bill Hochul tells Facebook to 'clean up the act' on abortion misinformation after Texas law Democratic senators request probe into Amazon's treatment of pregnant employees MORE (D-N.Y.), Rep. Tulsi GabbardTulsi GabbardProgressives breathe sigh of relief after Afghan withdrawal Hillicon Valley: US has made progress on cyber but more needed, report says | Democrat urges changes for 'problematic' crypto language in infrastructure bill | Facebook may be forced to unwind Giphy acquisition YouTube rival Rumble strikes deals with Tulsi Gabbard, Glenn Greenwald MORE (D-Hawaii) and former Colorado Gov. John Hickenlooper (D).
Those results are based based on interviews with 456 Democrats and Democratic-leaning independents between March 14 and March 17. The margin of error is 5.7 percentage points.
The CNN poll also found that 40 percent of respondents are "extremely enthusiastic" about voting for president in 2020. The enthusiasm is higher among Republicans, with 57 percent of self-identified Republicans responding that they are "extremely enthusiastic," compared to 46 percent of Democrats and 26 percent of independents.
The full CNN poll was based on interviews with 1,003 adults between March 14 and March 17. The full sample has a margin of error of 3.8 percentage points.
The majority of Republicans also said they think the GOP should nominate President TrumpDonald TrumpJan. 6 committee chair says panel will issue a 'good number' of additional subpoenas Overnight Defense & National Security — Presented by AM General — Pentagon officials prepare for grilling Biden nominates head of Africa CDC to lead global AIDS response MORE in 2020, with 76 percent saying Trump should be the nominee and 19 percent saying a different candidate should be nominated.