“There are a lot of really qualified people running, including the people running in the race, but I can think of at least six or seven people, four of whom are women, who in fact ... aren’t in the race, who are totally qualified to be president," Biden told Noticias Telemundo in an interview that aired Tuesday.

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He did not specify who the qualified people not running are.

Biden also said he would be open to picking a Latino vice presidential candidate.

"Well, of course, I would. There's no reason why that would not be the case," he said. "Look, I learned one thing about being vice president. You have to be simpatico with the president. No president can handle the job himself or herself. … And they have to be able to delegate power. And when they delegate presidential power, the authority to make decisions.”

The comments come as calls for increasing diversity at all levels of the Democratic Party grow louder.

Biden's fellow Democratic contender, Sen. Cory Booker Cory Anthony Booker3 reasons why Biden is misreading the politics of court packing Bipartisan praise pours in after Ginsburg's death DHS opens probe into allegations at Georgia ICE facility MORE (D-N.J.) pledged in April to pick a female running mate.

“No matter what, I’m looking you in the eye and saying this: There will be a woman on the ticket. I don’t know if it’s in the vice president’s position or in the president’s position,” Booker said.

Six women are running for president, with Sens. 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.) and 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.) scoring the highest in the polls.

However, Biden has held the race's front-runner position since he announced his candidacy in April.