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.

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).

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

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.

The Census Bureau has developed an alternative measure of poverty that takes into account a wider range of factors than the official poverty measure. The alternative measure sets the poverty threshold for 2010 at $24,343, which is $2,230 higher than the official measure for a two-adult two-child family.