Numbers, Facts and Trends Shaping Your World
Since the 1990s, large numbers of Americans have left Christianity to join the growing ranks of U.S. adults who describe their religious identity as atheist, agnostic or “nothing in particular.” If recent trends in religious switching continue, Christians could make up less than half of the U.S. population within a few decades.
Pew Research Center conducted analyses not detailed elsewhere in this report to make decisions that shaped projections. This appendix contains an overview of some of these analyses. Trends in other sources of religious composition data This report considers how the rapid and continuous rise of religious “nones” in the United States might continue or change […]
This study projects the future population sizes of Christians, religious “nones” and people of other religions in the United States. Since recent religious change in the U.S. has been driven primarily by voluntary changes in religious identity – religious switching – we modeled for the first time how the religious landscape could change in scenarios […]