4. Religiously unaffiliated population change
The religiously unaffiliated population is the world’s third-largest religious category and grew the second-fastest between 2010 and 2020.
Numbers, Facts and Trends Shaping Your World
Despite growth in the share of people who are not religiously affiliated, religion continues to have significant consequences for American society and politics. As a result, we take great care in how we measure religious affiliation and related attitudes and behaviors. The decline of religion in the United States and many other Western democracies is […]