Does public opinion polling about issues still work?
National polls like the Center’s come within a few percentage points, on average, of benchmarks from high response rate federal surveys.
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.