New Delhi, Sept. 9 -- For years, Republicans have disparaged their political rivals by describing them as socialists. But that may not be the insult it once was for rank-and-file Democrats, who have warmed to socialism and increasingly see "capitalism" as a barb.

A new Gallup poll finds that while U.S. adults overall are more likely to have a positive view of capitalism than socialism, Democrats feel differently. According to the survey, only 42% of Democrats view capitalism favorably, while 66% have a positive view of socialism.

Capitalism's image has slipped with U.S. adults overall since 2021, the survey finds, and the results show a gradual but persistent shift in Democrats' support for the two ideologies over the past 15 years, wit...