A record number of Americans are changing churches, or abandoning religion altogether.
A study released Monday found that 44 percent of adults in the U.S. now profess a religious or denominational affiliation that is different from how they were raised.
The Roman Catholic church has lost the most members.
Ten percent of all Americans now consider themselves former Catholics.
Protestant Christians still make up the majority, at 51 percent, while 12 percent of Americans describe their religion as "nothing in particular."
One in four adults ages 18 to 29 claim no affiliation with a religious institution.
Visit the Pew Forum on Religion and Public Life Web site for the complete survey.