Political analyst Bill Schneider predicted on Tuesday that 25 Democrats would launch presidential bids to challenge President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE in 2020.

"My guess is that in 2020, we're going to see 25 Democrats running for president. Every Democrat thinks, why not me?" Schneider told Hill.TV's Joe Concha on "What America's Thinking."

"I'll take the over. It might be 30," Hill campaign reporter Reid Wilson interjected.

"Might be 30. How are you going to have a debate? You're going to have to have six layers of debates. It's going to be quite remarkable," Schneider added.

Speculation has mounted around various high-profile Democrats on whether they will launch presidential bids in 2020.

Democratic Sens. Kamala Harris Kamala HarrisButtigieg stands in as Pence for Harris's debate practice First presidential debate to cover coronavirus, Supreme Court Harris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda MORE (Calif.), Cory Booker Cory Anthony BookerBipartisan praise pours in after Ginsburg's death DHS opens probe into allegations at Georgia ICE facility Democratic lawmakers call for an investigation into allegations of medical neglect at Georgia ICE facility MORE (N.J.), Kirsten Gillibrand Kirsten GillibrandSunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election Suburban moms are going to decide the 2020 election Jon Stewart urges Congress to help veterans exposed to burn pits MORE (N.Y.), and Elizabeth Warren Elizabeth WarrenHarris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda Judd Gregg: The Kamala threat — the Californiaization of America GOP set to release controversial Biden report MORE (Mass.) have been floated as potential contenders, while former New Orleans Mayor Mitch Landrieu and former Massachusetts Gov. Deval Patrick have also been named as possible candidates.

Former Secretary of State John Kerry John Forbes KerryThe Memo: Warning signs flash for Trump on debates Divided country, divided church TV ads favored Biden 2-1 in past month MORE, who lost his 2004 presidential bid, did not rule out a potential run in an interview on Sunday, though on Tuesday he appeared to pour cold water on that statement.

“I doubt very much I’ll be running for office again,” Kerry said on "CBS This Morning" on Tuesday.

— Julia Manchester