Americans have been taking to the streets in record numbers since the inauguration of President Donald Trump, but amid that uptick in resistance something else has been rising within the U.S. electorate: personal anxiety and stress caused by the nation’s new political reality.

According to a new survey by the American Psychological Association (APA), 66 percent of respondents report feeling increasingly stressed out by the current political climate and prospects for the nation’s future.

The APA findings—contained in their (pdf) report—reveal that 57 percent of those surveyed said that politics have become either a “very” or “somewhat” significant source of anxiety in their lives. Meanwhile, 49 percent of those questioned said the outcome of the 2016 election, in which Trump was elected president and the Republican Party kept control of both the House and Senate, has become a specific source of new stress.

On these questions, the divide unsurprisingly broke along partisan and ideological lines. “While Democrats were more likely than Republicans (72 percent vs. 26  percent) to report the outcome of the 2016 presidential election as a significant source of stress, a majority of Republicans (59 percent) said the  future of our nation was a significant source of stress for them, compared to  76 percent of Democrats,” the report notes.

Vaile Wright, a licensed psychologist and member of APA’s Stress in America team, speaking with the Washington Post, admitted the severity of the findings caught her off guard.

“The fact that two-thirds of Americans are saying the future of the nation is causing them stress, it is a startling number,” Wright told the Post. “It seems to suggest that what people thought would happen, that there would be relief [after the election] did not occur, and instead since the election, stress has increased. And not only did overall stress increase, what we found in January is the highest significant increase in stress in 10 years. That’s stunning.”

SCROLL TO CONTINUE WITH CONTENT