The Classification of Political parties listed on TheGreenPapers.com.

1. Major Parties (those parties which received electoral votes through winning a plurality of a state's [or the District of Columbia's] popular vote in any presidential election between 1984 and 2016)
   1. Democrats and affiliates
   2. Republicans and affiliates
2. Third Parties
   1. Major Third Parties and affiliates (any Party, other than a Major Party [as defined in 1. above], receiving a minimum of 15/100ths of 1 percent of the nationwide popular vote in any presidential election between 1984 and 2016 and which fielded candidates in the previous presidential election [2016] are hereby defined as "Major third parties" for the purposes of "The Green Papers" website. Excluded from this are non-party Independent bids for President which received at least 0.15% of the nationwide popular vote. See Criteria for including Major Third Parties.)
   2. Other Third Parties (i.e., not a Major Third Party)
3. Independents (covering Unaffiliated, Nonpartisan and all the other synonyms/euphemisms for Independent)
4. Write-in/Scattered/otherwise not readily classifiable

1. No Party Preference
   
   1. Based in: Washington
   2. Incumbents, candidates, and links to state affiliates
      1. 22 Candidates

Parties are listed as (party) where either it has been reported that a given candidacy is affiliated with a given Party but said affiliation does not appear on the ballot or 'The Green Papers' does not have independent confirmation from an election authority that the given Party has its own separate line on the ballot.

2021 General Election Outline

• 2021 General Election Home
• Popular Vote by Office
  • Gubernatorial Popular Vote by Party
• Regarding Popular Vote Edge Cases
  • Close Contests Summary - Decision by 2% or less
  • Contests Where No Candidate Received a Majority
• 2021 Primaries and Runoffs for Statewide offices/Congress
  • Alphabetically
  • Alphabetically with Filing Deadlines
  • Chronologically
  • Chronologically with Filing Deadlines
  • Primary/Runoff/Special Elections Poll Closing Times (across time zones)
  • General Election Poll Closing Times Alphabetically (across time zones)
  • General Election Poll Closing Times Chronologically (across time zones)
• Polling Hours
  • Primary/Special Elections Only
  • General Elections Only
• Offices
  • Senate
    • Senators by 'Class'
    • Senate Electoral Classes
  • Governors
    • Governors by election 'cycle'
  • House
• Primaries at a Glance
  • Gubernatorial Primaries at a Glance
• Regarding Office Edge Cases
  • Open Governor's Chairs, Senate and House Seats (the incumbent is not running for re-election)
  • Governor's Chairs, Senate, and U.S. House Seats with no incumbent running for them
  • Uncontested Governor's Chairs, Senate, and U.S. House Seats (one candidate running for office)
  • Governor's Chairs, Senate, and U.S. House Seats with multiple incumbents running for them
  • Governor's Chairs, Senate, and U.S. House Seats with only one major party candidate running for office
• 2021 Partisan Composition by State
• Political Parties
• History
  • Comparative Political Party Predominance in each State, 2000 thru 2016
  • Political Party Floor Leaders in the Congress of the United States
  • Dates of DIRECT PRIMARY Elections re: Major Party Nominations for Statewide and/or Federal Office
  • Length of Terms of Office of STATE Governors throughout American History
• Downloadable data files