A majority since 2007 has typically called for a third party, as per the poll results released yesterday.
The poll comes nearly six weeks before the mid-term Congressional elections and at a time when most Americans hold an unfavourable opinion of both the parties in Congress, with only about four in 10 judging each party positively.
Americans' views towards the two major parties have been unenthusiastic for much of the past decade.
58 per cent voted in the affirmative while 35 per cent felt that both the main parties were doing an adequate job. Seven per cent had no opinion, it said.
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However, even when the parties' images were more positive in the past, including majority favouring the Democrats throughout 2007 and acceptability for the Republicans approaching 50 per cent in 2011, Americans still saw the need for a third party, Gallup said.
Since 2007, a majority has said a third party was needed, with two exceptions occurring in the fall of the 2008 and 2012 presidential election years, according to Gallup.
A historic 60 per cent high favouring a third party came in a poll conducted during the partial federal government shutdown last October. At that time, only 26 per cent of Americans said the parties were doing an adequate job. That figure is up to 35 per cent now, but with little change in the percentage calling for a third party.