A majority of Americans disapprove of President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE’s appointments to the Supreme Court and have little or no confidence that he would pick a suitable candidate to fill any potential future vacancies, according to a new poll from the Marquette University Law School.

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The survey found that 57 percent of U.S. adults polled somewhat or strongly disapprove of the way Trump has handled filling vacancies on the nation’s top court. Forty-three percent said they somewhat or strongly approve of the president’s approach, a figure that is slightly higher than Trump’s overall approval rating of 40 percent in the poll.

Fifty-six percent said they have little or no confidence that Trump would “select the right kind of person to sit on the Supreme Court” if another vacancy were to open up. Thirty-two percent said they have a great deal or quite a lot of confidence, and another 13 percent said they have some confidence.

Unsurprisingly, Trump’s record of Supreme Court appointments polls higher among Republicans, with 89 percent of respondents who identify with the GOP saying they strongly or somewhat approve of his approach to filling the court. Eighty percent of respondents who identified as Republican-leaning said the same.

The poll also found widespread disapproval with Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellDemocratic senator to party: 'A little message discipline wouldn't kill us' House to vote on resolution affirming peaceful transition of power Republican lawyers brush off Trump's election comments MORE's (R-Ky.) refusal to consider Merrick Garland Merrick Brian GarlandDoug Jones says he will not support Supreme Court nominee before election House Democrat to introduce bill imposing term limits on Supreme Court justices On The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline MORE, former President Obama's nominee to replace Justice Antonin Scalia after his death in early 2016. Seventy-three percent said McConnell's decision not to hold any confirmation hearings for Garland was the wrong thing to do, while 27 percent said it was the right thing to do.

McConnell argued at the time that it would be improper to hold confirmation hearings just before a presidential election. But if a vacancy opens up in 2020 ahead of the next election and Trump puts forth a nominee, 69 percent of the poll's respondents said that the Senate should hold hearings, while 31 said it shouldn't.

Trump later filled Scalia's seat with Justice Neil Gorsuch Neil GorsuchTrump plans to pick Amy Coney Barrett to replace Ginsburg on court Abortion stirs GOP tensions in Supreme Court fight Poll: 59 percent think president elected in November should name next Supreme Court justice MORE, who was confirmed in 2017.

The poll also shows that the partisan battle over Justice Brett Kavanaugh Brett Michael KavanaughTrump plans to pick Amy Coney Barrett to replace Ginsburg on court Collins trails challenger by 4 points in Maine Senate race: poll SCOTUS confirmation in the last month of a close election? Ugly MORE’s confirmation last year has had a lasting impact on the public’s perception of the court and Kavanaugh in particular.

Despite being the most junior member of the court, Kavanaugh, who was confirmed in a narrow 50-48 Senate vote last year after being bombarded with accusations of sexual assault, is now only second to Ruth Bader Ginsburg Ruth Bader GinsburgProgressive group buys domain name of Trump's No. 1 Supreme Court pick Democratic senator to party: 'A little message discipline wouldn't kill us' Lincoln Project mocks Lindsey Graham's fundraising lag with Sarah McLachlan-themed video MORE in terms of public awareness. Just 42 percent were unable to rate Kavanaugh in terms of favorability, compared to 41 percent for Ginsburg.

He also has the highest unfavorability rating of the nine justices, with 32 percent. Twenty-six percent said they viewed him favorably.

Kavanaugh is one of two justices, along with Gorsuch, that Trump has nominated and seen confirmed to the court.

The survey was conducted Sept. 3-13 and is based on answers from 1,423 adults nationwide. It has a margin of error of 3.6 percentage points.

Updated at 1:04 p.m.