Pew Research Center Staff

A majority of Americans oppose replacing Medicare with a voucher system to buy private insurance.

More than a third of Americans cite religion as the top influence on their view of gay marriage.

Despite increased anti-government sentiment, more Americans say they pay about the right amount in taxes than say they pay more than their fair share.

More than a third of Americans say it is acceptable to “walk away” from a home mortgage, at least under certain circumstances.

Three-in-ten adults who use cell phones have downloaded an app to their phone.

Senior research staff answer questions from readers relating to all the areas covered by our seven projects, ranging from polling techniques and findings, to media, technology, religious, demographic and global attitudes trends.

An annual average of 300,000 unauthorized immigrants entered the U.S. between 2007 and 2009, down sharply from 2000 to 2005 when about 850,000 entered the U.S. each year.

The number of unauthorized immigrants currently living in the U.S. fell by 8% between March 2007 and March 2009.

Nearly two-thirds of adults with cell phones say they have slept with their phone on or right next to their bed.

Among those who use text messages, teens send and receive five times as many texts as adults.