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 on Friday took a swipe at 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, suggesting he may be too old to serve as president.

“I just feel like a young man,” Trump, 72, told reporters at the White House when asked about whether there is an age factor in the 2020 race. “I am a young, vibrant man.”

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Turning his aim at the 76-year-old Biden, Trump continued by saying “I look at Joe, I don’t know about him” while nodding and smiling at the press corps.

“I would never say anyone’s too old, but I know they’re all making me look very young, both in terms of age and I think in terms of energy,” he said.

He also said he would “easily” defeat Biden in a presidential race.