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Amy Klobuchar

U.S. Sen. Amy Klobuchar, a Democrat from Minnesota, is the latest name to throw her hat into the ring for 2020. The 58-year-old former prosecutor won her U.S. Senate seat three times by wide margins and was a notable voice during confirmation hearings for political appointees of U.S. President Donald Trump. Klobuchar is calling her campaign a “homegrown one,” vowing to take on opponents with “grit.” She has called for action to get “dark money” out of U.S. politics while promising to push forward with green initiatives during her first 100 days in office. Klobuchar also mentioned the need for “digital rules of the road” to protect user privacy online. With regards to health care, she’s been vocal supporter of a public option for coverage and medicare reform. Photo from Getty Images.

PHOTOS: Who's running for U.S. president in 2020?

The 2020 U.S. presidential election is nearly two years away, but that’s not stopping Democratic hopefuls from joining the race.

Americans will head to the polls on Nov. 3, 2020, in a race that could see U.S. President Donald Trump push for a second term in office. The Democrats have responded with a diverse list of candidates that is only expected to grow in the coming months.

Missing from the list of candidates is one potential presidential contender: former U.S. vice-president Joe Biden, who has not ruled out a 2020 run at his current age of 76. However, there are already some big names who have entered the race.

Most recently, 46-year-old former Texas congressman Beto O’Rourke announced he was running just months after losing a U.S. Senate race against Ted Cruz. He’s arguably the most recognizable face to declare his candidacy since 77-year-old Bernie Sanders, a U.S. senator from Vermont, threw his hat in the ring for the second consecutive time.

Some consider U.S. Sen. Kamala Harris of California to be one of the early front-runners in what is expected to be a crowded field. U.S. Sen. Cory Booker of New Jersey may have more name recognition than other Democrats in the field after being a political target of Trump. From Massachusetts, U.S. Sen. Elizabeth Warren is another name that should be familiar with Americans, especially after Trump mockingly referred to her as “Pocahontas” on a number of occasions after she claimed to be of Native American ancestry.

The rest of the list includes U.S. Sen. Amy Klobuchar of Minnesota, U.S. Sen. Kirsten Gillibrand of New York, former U.S. secretary of housing and urban development Julian Castro, U.S. Rep. Tulsi Gabbard of Hawaii, former U.S. congressman John Delaney of Virginia, South Bend, Ind., Mayor Pete Buttigieg, New York Times best-selling author Marianne Williamson, Washington Gov. Jay Inslee, former Colorado governor John Hickenlooper, and entrepreneur Andrew Yang.

This photo gallery will be updated as more candidates enter the race.