Third parties must receive five percent of the popular vote in this election to be recognized on all 51 ballots and to receive federal campaign funding for the 2020 election, according to an April 17 NBC News article.

Third parties are any political group other than the Democratic and Republican parties, which make up the two-party system.

In order to be included in presidential debates, a candidate or party must meet state-regulated requirements, such as receiving at least 15 percent of the popular vote, according to the article.

Democratic presidential nominee Hillary Clinton and Republican presidential nominee Donald are recognized on all 51 ballots. However, Green Party presidential nominee Jill Stein is recognized on 21 ballots, and Libertarian Party presidential nominee Gary Johnson is recognized on 33 ballots.