President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE on Monday sought to cast doubt on a spate of recent polls that show him trailing Democratic White House hopefuls.

The president decried what he called "Fake Polls," likening them to surveys during the 2016 presidential race that showed then-Democratic nominee Hillary Clinton Hillary Diane Rodham ClintonFox News poll: Biden ahead of Trump in Nevada, Pennsylvania and Ohio Trump, Biden court Black business owners in final election sprint The power of incumbency: How Trump is using the Oval Office to win reelection MORE leading Trump.

He also accused various news outlets of intentionally getting the projections wrong.

"They will never learn!" he tweeted.

Here we go with the Fake Polls. Just like what happened with the Election against Crooked Hillary Clinton. ABC, NBC, CNN, @nytimes, @washingtonpost, they all got it wrong, on purpose. Suppression Polls so early? They will never learn! — Donald J. Trump (@realDonaldTrump) July 15, 2019

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A variety of surveys released in the last five weeks all showed the president losing to a handful of Democratic contenders in hypothetical 2020 match-ups.

An NBC News–Wall Street Journal poll, released Sunday, showed former Vice President Joe Biden Joe BidenPelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Hillicon Valley: Subpoenas for Facebook, Google and Twitter on the cards | Wray rebuffs mail-in voting conspiracies | Reps. raise mass surveillance concerns Fox News poll: Biden ahead of Trump in Nevada, Pennsylvania and Ohio MORE leading Trump by 9 points among registered voters, 51 to 42 percent.

The poll also found Sen. Bernie Sanders Bernie SandersThe Hill's Campaign Report: Trump faces backlash after not committing to peaceful transition of power Bernie Sanders: 'This is an election between Donald Trump and democracy' The Hill's 12:30 Report: Trump stokes fears over November election outcome MORE (I-Vt.) with a 7-point lead over the president, Sen. Elizabeth Warren Elizabeth WarrenHillicon Valley: Subpoenas for Facebook, Google and Twitter on the cards | Wray rebuffs mail-in voting conspiracies | Reps. raise mass surveillance concerns On The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline Democratic senators ask inspector general to investigate IRS use of location tracking service MORE (D-Mass.) ahead of Trump by 5 points and Sen. Kamala Harris Kamala HarrisHundreds of lawyers from nation's oldest African American sorority join effort to fight voter suppression Biden picks up endorsement from progressive climate group 350 Action 3 reasons why Biden is misreading the politics of court packing MORE (D-Calif.) with a 1-point advantage.

A Fox News poll released last month showed Biden with a 10-point lead, Sanders with a 9-point lead, Warren with a 2-point lead and Harris and South Bend, Ind., Mayor Pete Buttigieg Pete ButtigiegBillionaire who donated to Trump in 2016 donates to Biden The Hill's Morning Report - Sponsored by Facebook - GOP closes ranks to fill SCOTUS vacancy by November Buttigieg stands in as Pence for Harris's debate practice MORE with 1-point leads.

And a Washington Post-ABC News poll released in early June showed similar results, with Biden ahead by 10 points and Harris and Sanders edging Trump by narrow margins. That poll also found Trump leads a generic “Democratic candidate who you regard as a socialist” by 6 points, 49 to 43 percent.

Trump regularly complains that polls showing him trailing his opponents are inaccurate. He said during last year's midterm campaign that he only believes in polls "that have us up."