Support for Third U.S. Political Party at High Point Highest support for a third party by one percentage point A record-high 63% of Republicans favor a third party WASHINGTON, D.C. -- Americans' desire for a third party has ticked up since last fall and now sits at a high in Gallup's trend. Sixty-two percent of U.S. adults say the "parties do such a poor job representing the American people that a third party is needed," an increase from 57% in September. Support for a third party has been elevated in recent years, including readings of 60% in 2013 and 2015 and 61% in 2017.