Asked whether Hillary Clinton's conduct made them worried about what the former secretary of state would do as president, 57 percent responded that it did. | Getty Poll: Majority disapproves of FBI's Clinton decision

A double-digit majority of Americans disapproves of the FBI's decision last week to not recommend charges against Hillary Clinton in the investigation into her private email server, according to the results of the latest ABC News/Washington Post poll out Monday.

More than half—56 percent—said they disagreed with FBI Director James Comey's recommendation to the Justice Department to not charge Clinton with any crime, even as he remarked that she and her colleagues were "extremely careless" while slightly more than one-third, or 35 percent, said they approved.

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Asked whether Clinton's conduct made them worried about what the former secretary of state would do as president, 57 percent responded that it did, while 39 percent said the issue is not related to how she would perform as commander in chief.

A majority, 58 percent, said the decision would make no difference in whether they would support Clinton, while 28 percent said it would make it less likely for them to support her, while only 10 percent said it would make them more likely.

The poll was conducted July 6-7 via landlines and cellphones, surveying a random national sample of 519 adults with an overall margin of error of plus or minus 5 percentage points.