The third finding reported in the study is by far the most striking. As it turns out, “American ‘nones’ are as religious as—or even more religious than—Christians in several European countries, including France, Germany, and the U.K.”

“That was a surprise,” Neha Sahgal, the lead researcher on the study, told me. “That’s the comparison that’s fascinating to me.” She highlighted the fact that whereas only 23 percent of European Christians say they believe in God with absolute certainty, 27 percent of American nones say this—not exactly what you might expect to hear from atheists or agnostics.

But America is a country so suffused with faith that religious attributes abound even among the secular. Consider the rise of “atheist churches,” which cater to Americans who have lost faith in supernatural deities but still crave community, enjoy singing with others, and want to think deeply about morality. It’s religion, minus all the God stuff. This is a phenomenon spreading across the country, from the Seattle Atheist Church to the North Texas Church of Freethought. The Oasis Network, which brings together non-believers to sing and learn every Sunday morning, has affiliates in nine U.S. cities.