New York City Mayor Bill de Blasio Bill de BlasioOVERNIGHT ENERGY: California seeks to sell only electric cars by 2035 | EPA threatens to close New York City office after Trump threats to 'anarchist' cities | House energy package sparks criticism from left and right EPA threatens to close New York City office after Trump threats to 'anarchist' cities New Year's Eve in Times Square to be largely virtual amid pandemic MORE, a 2020 White House hopeful, on Tuesday rejected concerns about his low poll numbers, saying most Democratic voters are “going to make their decision late.”

"There is not, in the end, I think, a sense among Democratic voters that they are secure where they want to go,” de Blasio told CNN’s Alisyn Camerota. “The vast majority of Democratic voters are going to make their decision late.

“I’ve proven in New York that big changes can happen,” de Blasio added. “When I go all over the country, this is what people want to see, and I can say, ‘Hey, I’ve actually gotten this done.' So the more people get to know this record and this vision that I have, I think it’s going to move people.”

2020 hopeful Bill de Blasio reacts to ranking low in new CNN poll: "There is not, in the end I think, a sense among Democratic voters that they are secure where they want to go. The vast majority of Democratic voters are going to make their decision late" https://t.co/UAFHGyRvAq pic.twitter.com/fcNll8jP4U — CNN Politics (@CNNPolitics) August 20, 2019

De Blasio has less than 1 percent support in a new CNN poll, trailing more than a dozen other 2020 Democrats. Former Vice President Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE, on the other hand, has regained a double-digit lead over fellow White House contenders, reaching 29 percent support in the poll.

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Part of the challenge, de Blasio said on CNN, is to “prove that you can get things done for the American people” and to be “tough enough” to point out President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE’s failed campaign promises, taking aim at Biden in his presidential pitch.

“With all due respect to Joe Biden … you’re not going to see Democrats want a candidate without that strong message, because without that message, we don’t beat Donald Trump,” he said.

De Blasio, who launched his White House bid in May, has yet to qualify for the third round of Democratic presidential primary debates in September.

Ten other Democratic presidential contenders — including Biden and Sens. 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 (Mass.), Bernie Sanders Bernie SandersSirota reacts to report of harassment, doxing by Harris supporters Republicans not immune to the malady that hobbled Democrats The Hill's Morning Report - Sponsored by Facebook - Republicans lawmakers rebuke Trump on election MORE (I-Vt.) and Kamala Harris Kamala HarrisTexas Democratic official urges Biden to visit state: 'I thought he had his own plane' The Hill's Campaign Report: Biden on Trump: 'He'll leave' l GOP laywers brush off Trump's election remarks l Obama's endorsements A game theorist's advice to President Trump on filling the Supreme Court seat MORE (Calif.) — have met the polling and fundraising thresholds to take the debate stage this fall.