The Senate, in turn, approved its own almost $1.5 trillion tax overhaul bill Saturday - legislation which Republicans contended would benefit Americans of all incomes and jumpstart the economy.
Overall, voters disapprove of the plan by 53 percent to 29 percent, according to the survey. Fifty-six percent, meanwhile, disapproved.
The House and Senate bills must now be reconciled in conference committee before Republicans' tax overhaul effort can be signed into law. That was in 1986, with President Ronald Reagan spearheading the legislation.
In a separate question, American voters say 61-to-34 percent that the tax plan favors the rich at the expense of the middle class. More than a quarter of Americans in September 1986, just prior to final passage of that plan, expressed no opinion about it - roughly twice today's level.
Forty-one percent of voters said they expect their taxes to go up under the GOP plan, 32 percent said they think it would not have much impact and 20 percent said they think it would reduce their taxes.
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The plan hit a brick wall with Democrats, among whom only 7 percent approved.
The new surveys show that distaste with the Republican plan is worsening as its details emerge. Accusations involve members of both the Republican and Democratic parties - including President Donald Trump, who has denied the allegations.
Despite the public's distaste for the bill, which will accelerate the nation's growing chasm between the haves and the have-nots, Republicans have rushed the 429-page "Tax Cuts and Jobs Act" through Congress.
The Republican tax plan pending in the U.S. Congress benefits the wealthy the most, say 64 percent of American voters, while only 24 percent say the tax plan benefits the middle class. Further, intensity seems to be on the side of the opposition, with Democrats paying closer attention to news about the tax proposals and appearing more unified in their opposition to the plan than Republicans are in support of it.. 4, and has a margin of error of plus or minus 3.1 percentage points.
Each sample of national adults includes a minimum quota of 70 percent cellphone respondents and 30 percent landline respondents, with additional minimum quotas by time zone within region.