Numbers, Facts and Trends Shaping Your World
Read our research on:
1. Religious identity
Religious composition of birth cohorts: U.S. adults born in 1949 or earlier through those born in the 1970s
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- 1. Religious identity
- Stability in religious identity since 2020
- Long-term decline of Christians, rise of religiously unaffiliated Americans
- Christians have declined as a share of the U.S. adult population
- Shrinking share of Christians across many social and demographic groups in the United States
- Mainline Protestants have declined as a share of both the overall public and of all Protestants
- Among Protestants, share who are nondenominational has doubled since 2007
- Largest Protestant denominations in the United States
- 19% of U.S. adults now say their religion is ‘nothing in particular’
- ‘Nones’ have risen as a share of all major demographic groups since 2007
- Share of U.S. adults who identify as Jewish, Muslim, Buddhist, Hindu or with another non-Christian religion now stands at 7.1%
- Immigrants are more likely than U.S.-born adults to belong to non-Christian religions
- Religious affiliation of U.S. adults
- Religious composition of birth cohorts: U.S. adults born in 1949 or earlier through those born in the 1970s
- Religious composition of birth cohorts: U.S. adults born in the 1980s to 2006
- Religious composition of racial and ethnic groups
- Religious composition by place of birth
- Religious composition by educational attainment
- Religious composition by gender
- Religious composition by marital status
- Religious composition by detailed marital status, among people who are not currently married
- Religious composition of geographic regions