After years of decline, the U.S. Christian share has been relatively stable since 2019, while the rise in the share of religious “nones” has slowed – at least for now.
28% of U.S. adults are religiously unaffiliated, describing themselves as atheists, agnostics or “nothing in particular” when asked about their religion.
Although it’s possible that the “nones” have leveled off, it’s also possible that their growth has continued, but at a gradual pace that is difficult to see in the data.
After years of decline, the U.S. Christian share now shows signs of leveling off. The new Religious Landscape Study explores trends in identity, beliefs and practices.
Christians remain the largest religious group, and Muslims grew the fastest from 2010 to 2020. Read how the global share of Buddhists, Hindus, Jews and the religiously unaffiliated changed.
We ran a survey experiment on religious tolerance in Australia to examine whether respondents’ answers capture a general distaste for religion rather than intolerance for particular religious groups.