This list of political parties in the United States, both past and present, does not include independents.
[10] The following parties have been active in the past 4 years, but as of December 2021, did not have official ballot access in any state.
These historical organizations did not officially nominate candidates for election but may have endorsed or supported campaigns; they otherwise functioned similarly to political parties.
Officially recognized parties in states are not guaranteed have ballot access, membership numbers of some parties with ballot access are not tracked, and vice versa.
Boxes in gray mean that the specific party's registration is not reported.