2020 Democratic Party presidential primaries
and caucuses were organized by the Democratic Party to select delegates to the 2020 Democratic National Convention to determine the party's nominee for president in the 2020 election. The primaries and caucuses took place in all 50 U.S. states, in the District of Columbia, in five U.S. territories, and through Democrats Abroad. They occurred between February 3 and August 11, 2020.
Former Vice President Joe Biden led in the polls throughout most of 2019. The 2020 Iowa Democratic presidential caucuses were marred by technical problems; certified results of the caucus eventually showed Mayor Pete Buttigieg winning the most delegates, while Senator Bernie Sanders won the popular vote in the state. Sanders then won New Hampshire and Nevada. Biden, whose campaign fortunes had suffered from losses in Iowa, New Hampshire and Nevada, made a comeback by overwhelmingly winning the South Carolina primary. After Biden won South Carolina, and one day before the Super Tuesday primaries, several candidates dropped out of the race and endorsed Biden. Biden then won 10 out of 15 contests on Super Tuesday.
On April 8, after Sanders withdrew from the race, Biden became the presumptive Democratic presidential nominee. Biden and his running mate, U.S. senator Kamala Harris of California, were nominated for president and vice president by delegates at the Democratic National Convention. Biden and Harris won the presidency and vice presidency in the general election on November 3, defeating incumbent President Donald Trump and incumbent Vice President Mike Pence.
Overview
A total of 29 major candidates declared their 2020 Democratic presidential candidacies. With the exception of a brief period in October 2019 when Senator Elizabeth Warren experienced a surge in support, former vice president Joe Biden led in the polls throughout 2019. Eighteen of the 29 declared candidates withdrew before the first primary contest. The first primary was marred by controversy, as technical issues with vote reporting resulted in a three-day delay in vote counting in the Iowa caucuses. The certified results of the caucuses showed Mayor Pete Buttigieg winning the most delegates, while Senator Bernie Sanders won the popular vote in the state. Sanders then won the New Hampshire primary in a narrow victory over Buttigieg before comfortably winning the Nevada caucus, solidifying his status as the front-runner for the nomination. Sanders received significant support from Asian, Hispanic, and young voters.Biden, whose campaign fortunes had suffered from losses in Iowa, New Hampshire and Nevada, made a comeback by overwhelmingly winning the South Carolina primary. Biden was helped by strong support from African American voters, an endorsement from South Carolina U.S. Representative Jim Clyburn, and Democratic establishment concerns about nominating Sanders. After Biden won South Carolina, and one day before the Super Tuesday primaries, several candidates dropped out of the race and endorsed Biden; before that time, polling saw Sanders leading with a plurality in most Super Tuesday states. Biden then won 10 out of 15 contests on Super Tuesday, beating back challenges from Sanders, Warren, and former New York City Mayor Michael Bloomberg and solidifying his lead. As the primaries proceeded, they were overshadowed by the COVID-19 pandemic, which was declared to be a global pandemic on March 11, 2020. Between March 19 and April 7, most states in the country issued stay-at-home orders, and the overwhelming majority of campaign activity was suspended.
On April 8, 2020, Biden became the presumptive Democratic nominee after Sanders withdrew from the race. In early June, Biden passed the threshold of 1,991 delegates to win the nomination. Seven candidates received pledged delegates: Biden, Sanders, Warren, Bloomberg, Buttigieg, Senator Amy Klobuchar and U.S. Representative Tulsi Gabbard. On August 11, Biden announced that former presidential candidate Senator Kamala Harris would be his running mate.
Biden and Harris were nominated for president and vice president by delegates at the Democratic National Convention on August 18 and 19. Biden and Harris won the presidency and vice presidency in the general election on November 3, defeating the Republican ticket of President Donald Trump and Vice President Mike Pence.
Background
After Hillary Clinton's loss in the previous election, many felt the Democratic Party lacked a clear leading figure. Divisions remained in the party following the 2016 primaries, which pitted Clinton against Bernie Sanders. Between the 2016 election and the 2018 midterm elections, Senate Democrats generally shifted to the political left in relation to college tuition, healthcare, and immigration. The 2018 elections saw the Democratic Party regain the House of Representatives for the first time in eight years, picking up seats in both urban and suburban districts.Reforms since 2016
On August 25, 2018, the Democratic National Committee members passed reforms to the Democratic Party's primary process in order to increase participation and ensure transparency. State parties are encouraged to use a government-run primary whenever available and increase the accessibility of their primary through same-day or automatic registration and same-day party switching. Caucuses are required to have absentee voting, or to otherwise allow those who cannot participate in person to be included.Independent of the results of the primaries and caucuses, the Democratic Party, from its group of party leaders and elected officials, also appointed 771 unpledged delegates to participate in its national convention.
In contrast to all previous election cycles since superdelegates were introduced in 1984, superdelegates will no longer have the right to cast decisive votes on the convention's first ballot for the presidential nomination. They will be allowed to cast non-decisive votes if a candidate has clinched the nomination before the first ballot, or decisive votes on subsequent ballots in a contested convention. In that case, the number of votes required shall increase to a majority of pledged and superdelegates combined. Superdelegates are not precluded from publicly endorsing a candidate before the convention.
There were a number of changes to the process of nomination at the state level. A decline in the number of caucuses occurred after 2016. Democrats in Colorado, Hawaii, Idaho, Kansas, Maine, Minnesota, Nebraska, North Dakota, and Washington all switched from various forms of caucuses to primaries. Hawaii, Kansas, and North Dakota switched to party-run "firehouse primaries".
This resulted in the lowest number of caucuses in the Democratic Party's recent history. Only three states and four territories used them. Six states were approved in 2019 by the DNC to use ranked-choice voting in the primaries: Alaska, Hawaii, Kansas, and Wyoming for all voters; Iowa and Nevada for absentee voters. Rather than eliminating candidates until a single winner is chosen, voters' choices were reallocated until all remaining candidates have at least 15%, the threshold to receive delegates to the convention.
Several states which did not use paper ballots widely in 2016 and 2018, adopted them for the 2020 primary and general elections,
to minimize potential interference in vote tallies, a concern raised by intelligence officials,
election officials
and the public.
The move to paper ballots enabled audits to start where they had not been possible before, and in 2020 about half the states audit samples of primary ballots to measure accuracy of the reported results.
Audits of caucus results depend on party rules, and the Iowa Democratic party investigated inaccuracies in precinct reports, resolved enough to be sure the delegate allocations were correct, and decided it did not have authority or time to correct all errors.
Rules for number of delegates
Number of pledged delegates per state
The number of pledged delegates from each state is proportional to the state's share of the electoral college, and to the state's past Democratic votes for president. Thus less weight is given to swing states and Republican states, while more weight is given to strongly Democratic states, in choosing a nominee.Six pledged delegates are assigned to each territory, 44 to Puerto Rico, and 12 to Democrats Abroad. Each jurisdiction can also earn bonus delegates by holding primaries after March or in clusters of three or more neighboring states.
Within states, a quarter of pledged delegates are allocated to candidates based on statewide vote totals, and the rest typically based on votes in each congressional district, although some states use divisions other than congressional districts. For example, Texas uses state Senate districts. Districts which have voted Democratic in the past get more delegates, and fewer delegates are allocated for swing districts and Republican districts. For example, House Speaker Pelosi's strongly Democratic district 12 has 7 delegates, or one per 109,000 people, and a swing district, CA-10, which became Democratic in 2018, has 4 delegates, or one per 190,000 people.
Candidate threshold
Candidates who received under 15% of the votes in a state or district didn't get any delegates from that area. Candidates who got 15% or more of the votes divided delegates in proportion to their votes. These rules apply at the state level to state delegates and within each district for those delegates. The 15% threshold was established in 1992 to limit "fringe" candidates. The threshold now means that any sector of the party which produces many candidates, thus dividing supporters' votes, may win few delegates, even if it wins a majority of votes.Schedule and results
Election day postponements and cancellations
Due to the COVID-19 pandemic in the United States, a number of presidential primaries were rescheduled. On April 27, New York canceled its primary altogether on the grounds that there was only one candidate left with an active campaign. Andrew Yang responded with a lawsuit, arguing that the decision infringes on voting rights, and in early May, the judge ruled in favor of Yang.| Primary | Original schedule | Altered schedule | Vote in person? | Last changed | |
| Ohio | March 17 | April 28 | March 25 | ||
| Georgia | March 24 | June 9 | April 9 | ||
| Puerto Rico | March 29 | July 12 | May 21 | ||
| Alaska | April 4 | April 10 | March 23 | ||
| Wyoming | April 4 | April 17 | March 22 | ||
| Hawaii | April 4 | May 22 | March 27 | ||
| Louisiana | April 4 | July 11 | April 14 | ||
| Maryland | April 28 | June 2 | March 17 | ||
| Pennsylvania | April 28 | June 2 | March 27 | ||
| Rhode Island | April 28 | June 2 | March 23 | ||
| New York | April 28 | June 23 | April 27 | ||
| Delaware | April 28 | July 7 | May 7 | ||
| Connecticut | April 28 | August 11 | April 17 | ||
| Kansas | May 2 | May 2 | March 30 | ||
| Guam | May 2 | June 6 | June 4 | ||
| Indiana | May 5 | June 2 | March 20 | ||
| West Virginia | May 12 | June 9 | April 1 | ||
| Kentucky | May 19 | June 23 | March 16 | ||
| New Jersey | June 2 | July 7 | April 8 |
In addition, the DNC elected to delay the 2020 Democratic National Convention from July 13–16 to August 17–20.