A vast majority of Americans believe President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE runs his administration in an unconventional way, according to a new poll that also found less than one in five are surprised by his behavior.

A Monmouth University poll, conducted April 26-30, found just 9 percent of American adults are "very surprised" by the way Trump has handled the presidency. Another 10 percent said they are "somewhat surprised."

Most Americans — 81 percent — said Trump has run his administration in a way that is less conventional than his predecessors, according to the poll.

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Twenty-seven percent said his approach in the office is good for the U.S., compared to 46 percent who said his approach is bad for the country.

The poll, which surveyed 803 people, has a margin of error of 3.5 percentage points.

Lawmakers have commented on Trump's tendency to be unpredictable, with Republicans arguing that Trump's approach helps him in negotiations.

Democrats have criticized Trump's unpredictability at times, but Rep. Adam Schiff Adam Bennett SchiffChris Matthews ripped for complimenting Trump's 'true presidential behavior' on Ginsburg Trump casts doubt on Ginsburg statement, wonders if it was written by Schiff, Pelosi or Schumer Top Democrats call for DOJ watchdog to probe Barr over possible 2020 election influence MORE (D-Calif.) recently said that the characteristic has likely led to looming negotiations with North Korea over its nuclear weapons program.

Other critics have pointed to Trump's break with presidential norms, such as when he attacks his own Justice Department or refuses to hold regular press conferences.