Brunswick sought both to gauge feelings regarding where the banks stand and what impact heightened regulations have had on the industry. The results come amid worries over Deutsche Bank's capital position and the Wells Fargo scandal in which the San Francisco-based bank illegally sold products to millions of customers.
Respondents want more regulations and would support candidates in favor of clamping down on bank risk, though the percentage of those saying they would vote for a candidate or party in favor of more regulations was lowest in the U.S. at 73 percent.
Banks also should be smaller, with 63 percent of U.S. respondents saying they prefer smaller institutions.
Banks "are currently viewed as part of the establishment and therefore part of the problem," Brunswick said. "Showing customers, investors, politicians and regulators that banks are accountable for their actions, committed to their customers and focused on providing solutions to the economic needs of individuals and the global economy will be critical in getting banks out of a perpetual state of crisis."
The problems with banks are part of larger worries about the state of the global economy. The September survey found that 58 percent of Americans believe the global economy has not recovered from the 2008 financial crisis, and the number was as high as 68 percent in Germany. The primary reason U.S. respondents cited for instability was too much consumer debt, followed by growing inequality.
Gallup took a poll in July to see what Americans thought of various professions, and the results weren't pretty for banks: