Why the U.S. census doesn’t ask Americans about their religion
The Census Bureau has collected data on Americans’ income, race, ethnicity, housing and other things, but it has never directly asked about their religion.
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.
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