The wellbeing of US citizens fell by a "statistically significant and meaningfully large" amount year-on-year from 2016 to 2017, with the largest drops among women, minorities, Democrats and low-income Americans, according to a new Gallup report.
The polling firm groups into five categories — physical health, financial health, social support, community involvement, and sense of purpose.
Gallup asked over 100,000 respondents questions such as whether they worried about money, liked their jobs, exercised frequently, and they perceived friends and family a positive influence on their lives.
The answers were then crunched in a statistical index ranging from 0-100, with 100 representing maximum well-being. While the final index value had been slowly creeping upward over the years, from an average of 61.6 in 2014 to 62.1 in 2016, in 2017 it fell to 61.5, the biggest year-on-year drop since 2008.
In absolute terms, the number has barely changed, but given the huge numbers of people involved in this particular survey even small changes in the wellbeing score are statistically significant, indicative of meaningful change in an average American's life.
For instance, in 2017, over 41 percent of Americans reported having little interest or pleasure in doing things some days each week, up from under 34 percent last year.
The number of people saying they like what they do each day has fallen by several points, while people saying they have "significant" daily worries is up.
All of these metrics were highly stable from 2014 through 2016.
There's firm suggests at least some of this is rooted in the US' current political climate, as well as in partisan preferences.
The year-over-year drop in well-being among Democrats (0.9 points), for instance, is more than four times larger than the drop among Republicans (0.2). Independents declined, albeit less dramatically than Democrats, by 0.3 — a fall the firm nonetheless regards as statistically insignificant.
The drop in well-being was particularly large among women, blacks and Hispanics — three groups with especially low approval of US President Donald Trump. Gallup also found such daily worries rose significantly following his election.
Other data suggests overall satisfaction in the way things are going in the US has fallen by seven points since 2016, which the firm attributes to respondents viewing the current government as the most important problem facing the country, specifically due to displeasure with Trump.
"Other signs of worsening well-being in the Us include an uptick in the uninsured rate for three quarters in a row and reports of elevated daily worry, particularly among Spanish-speaking Hispanics. This drop in well-being is important for leaders to monitor and address because research shows the Index predicts key health, business and social outcomes," the firm said.