Two noteworthy candidates recently entered the race for president of the United States: entrepreneur and author Vivek Ramaswamy (R), and author and 2020 presidential candidate Marianne Williamson (D).

Ramaswamy joins former U.N. Ambassador Nikki Haley (R), former President Donald Trump (R), and former Montana Secretary of State Corey Stapleton (R) in the Republican primary. 

Williamson is the first Democratic candidate to declare their candidacy. President Joe Biden (D) has not yet made an official announcement regarding whether he intends to run for a second term.

At this point in the 2020 cycle, fourteen noteworthy candidates had announced their campaigns:

• Jan. 20, 2017: Donald Trump (R)
• Aug. 10, 2017: John Delaney (D)
• Nov. 6, 2017: Andrew Yang (D)
• Jan. 1, 2019: Tulsi Gabbard (D)
• Jan. 12, 2019: Julián Castro (D)
• Jan. 15, 2019: Kirsten Gillibrand (D)
• Jan. 21, 2019: Kamala Harris (D)
• Jan. 23, 2019: Pete Buttigieg (D)
• Jan. 28, 2019: Marian5ne Williamson (D)
• Feb. 1, 2019: Cory Booker (D)
• Feb. 9, 2019: Elizabeth Warren (D)
• Feb. 12, 2019: Amy Klobuchar (D)
• Feb. 19, 2019: Bernie Sanders (I)
• March 1, 2019: Jay Inslee (D)
  
  

Biden, the eventual Democratic nominee and winner of the 2020 presidential election, announced on April 25, 2019.

In the 2016 election cycle, no noteworthy candidates had launched their campaigns as of March 1, 2015. The first announcement came on March 23 from Senator Ted Cruz (R). Hillary Clinton, the eventual Democratic nominee, announced her campaign on April 12, 2015. Trump, the eventual Republican nominee, announced his on June 16, 2015.