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 says that he doesn't believe he needs to appeal to swing voters in order to win reelection.

"I think my base is so strong, I’m not sure that I have to do that," Trump told Time in an interview published Thursday.

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Trump's 2020 campaign manager, Brad Parscale Bradley (Brad) James ParscaleMORE, similarly suggested to the magazine that winning over new voters isn't necessary to win reelection.

“People all think you have to change people’s minds," he said. "You have to get people to show up that believe in you."

Trump won the Electoral College to secure the presidency in 2016, but got just under 3 million fewer votes nationwide than Democratic candidate 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.

Over the course of his first term, Trump's approval rating has mostly hovered in the low- or mid-40 percent range, and he has yet to crack 50 percent approval in the Gallup poll. The poll numbers indicate Trump has struggled to win over new supporters, but has solidified support among Republicans.

The president held a rally in Orlando, Fla., on Tuesday to officially launch his reelection effort. The content of his remarks mostly played to his core supporters and was reminiscent of 2016 events where he attacked Clinton and railed against Washington insiders.