Majorities of Americans say unions have a positive effect on U.S. and that decline in union membership is bad

As Labor Day approaches, a narrow majority of Americans continue to say labor unions have a positive effect on the way things are going in the United States. Most Americans also say the long-term decrease in the percentage of workers represented by unions is bad for working people in the U.S., and for the country as a whole, according to recent Pew Research Center surveys.

As of July, 55% of U.S. adults say labor unions have a positive effect on the way things are going in the country, unchanged from...