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.

According to a 2006 survey by the Pew Global Attitudes Project, 31% of the Chinese public considers religion to be very or somewhat important in their lives, compared with only 11% who say religion is not at all important.

The Pew Research Center conducted more than 55,000 interviews to obtain a national sample of 1,050 Muslims living in the United States.

Pentecostalism and related charismatic movements represent one of the fastest-growing segments of global Christianity. Even more than other Christians, Pentecostals and other renewalists believe that God, acting through the Holy Spirit, continues to play a direct, active role in everyday life.