The Classification of Political parties listed on TheGreenPapers.com.

• 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)
  • Democrats and affiliates
  • Republicans and affiliates
• Third Parties
  • 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.)
  • Other Third Parties (i.e., not a Major Third Party)
• Independents (covering Unaffiliated, Nonpartisan and all the other synonyms/euphemisms for Independent)
• Write-in/Scattered/otherwise not readily classifiable

1. Republican
   
   1. Incumbents, candidates, and links to state affiliates
      1. 498 Incumbents
      2. 1136 Candidates