More than half (52%) of combat veterans who served in the post-9/11 wars said they had suffered emotionally traumatic or distressing experiences while in the military.

Nearly three-quarters (73%) of Democrats say that what bothers them most about the tax system is their belief that wealthy people are not paying their fair share; only 38% of Republicans agree.

One-third of voters say their own representative in Congress should not be re-elected.

Nearly half (46%) of unauthorized adult immigrants in the U.S. today are parents of minor children.

The religious traditions with the largest number of advocacy groups in Washington, D.C. are Catholicism (19% of all groups) and evangelical Protestantism (18% of all groups).

The federal government has proposed banning the use of personal electronic devices while driving. How widespread is that use? A Pew Research Center study found that 27% of American adults say they have texted while driving, and 61% say they have talked on their cell phones while behind the wheel.

About three-in-ten (31%) Americans say that their impression of the Republican presidential field is getting worse as they learn more about the candidates.

Nearly eight-in-ten (77%) Democrats believe there is solid evidence of global warming compared to 43% of Republicans.