A recent Pew Forum analysis finds that people who have switched faiths (or joined a faith after being raised unaffiliated with a religion) are indeed slightly more religious than those who have remained in their childhood faith.

According to the U.S. Religious Landscape Survey, conducted by the Pew Research Center's Forum on Religion & Public Life, 5% of American adults say they do not believe in God or a universal spirit, but only about a quarter (24%) of these nonbelievers actually call themselves atheists.

An analysis of data from the U.S. Religious Landscape Survey, conducted by the Pew Research Center's Forum on Religion & Public Life, finds that women are more religious than men on a variety of measures.

While the U.S. is generally considered a highly religious nation, African-Americans are markedly more religious on a variety of measures than the U.S. population as a whole, including level of affiliation with a religion, attendance at religious services, frequency of prayer and religion's importance in life.

A 2007 survey by the Pew Research Center's Global Attitudes Project found that a majority of Americans say it is necessary to believe in God in order to be moral and have good values.