While election turnout soared during the 2008 financial crisis, overall the trend is down in the post-war, and flat since 1968. People care and don't care about politics about as much as they ever have.
Here:
The political mess has been “a topic of conversation and a source of anxiety in nearly every clinical case that I have worked with since the presidential election,” said Robert Duff, a psychologist in California. He wrote a 2014 book, “Hardcore Self-Help,” whose subtitle proposes to conquer anxiety in the coarse language that has also defined a generation.