President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE said Friday that he will formally announce his reelection campaign during a rally in Orlando, Fla., later this month.

The president tweeted that he will be joined by first lady Melania Trump Melania TrumpTrump privately blamed Black Americans for lacking initiative: report The Hill's 12:30 Report: Ginsburg lies in repose Melania Trump: Ginsburg's 'spirit will live on in all she has inspired' MORE, Vice President Pence and second lady Karen Pence Karen Sue PenceHow fast population growth made Arizona a swing state The Hill's 12:30 Report - Presented by Facebook - Biden, Pence elbow bump at NYC Sept. 11 ceremony The Hill's Morning Report - Sponsored by National Industries for the Blind - Trump seeks to flip 'Rage' narrative; Dems block COVID-19 bill MORE at the June 18 event at the Amway Center.

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Trump filed for reelection shortly after taking office in 2017, and he has held campaign rallies in Florida and Pennsylvania in recent weeks. But he had teased a larger kickoff announcement and will hold it in the Sunshine State, which figures to feature prominently in the outcome of the 2020 race.

The president is banking on a strong economy and solid support among Republicans for his reelection bid. His approval rating has stagnated in the low-40s for most of his presidency, though a Harvard CAPS/Harris Poll survey released Friday showed Trump with his highest rating in two years at 48 percent.

The president appears to be increasingly focused on 2020, as he has been fixated on assessing the field of potential Democratic challengers in recent weeks. Former Vice President Joe Biden Joe BidenBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Democratic groups using Bloomberg money to launch M in Spanish language ads in Florida Harris faces pivotal moment with Supreme Court battle MORE in particular has captured his attention.

Trump has tweeted repeatedly about Biden, sought to stick him with a derisive nickname and predicted that the former Delaware senator would be the eventual Democratic nominee. Trump caused a stir when he said during a recent trip to Japan that he agreed with North Korean dictator Kim Jong Un Kim Jong UnSatellite images indicate North Korea preparing for massive military parade South Korea warns of underwater missile test launch by North Korea Trump says he didn't share classified information following Woodward book MORE that Biden was a "low IQ" individual.

Biden sits atop most Democratic primary polls, and he leads Trump in multiple polls of a hypothetical 2020 matchup.

In a recent Fox News poll, Sens. Bernie Sanders Bernie SandersOutrage erupts over Breonna Taylor grand jury ruling Dimon: Wealth tax 'almost impossible to do' Grand jury charges no officers in Breonna Taylor death MORE (I-Vt.), Elizabeth Warren Elizabeth WarrenDimon: Wealth tax 'almost impossible to do' CNN's Don Lemon: 'Blow up the entire system' remark taken out of context Democrats shoot down talk of expanding Supreme Court MORE (D-Mass.) and Kamala Harris Kamala HarrisHarris faces pivotal moment with Supreme Court battle Nearly 40 Democratic senators call for climate change questions in debates Joe Biden has long forgotten North Carolina: Today's visit is too late MORE (D-Calif.) were within the margin of error of defeating Trump.