Key Takeaways
- In 2023-24, 62% of U.S. adults identify as Christians, down from 78% in 2007 according to Pew Research Center's Religious Landscape Study
- Protestants make up 40% of U.S. adults in 2023-24, a decline from 51% in 2007 per Pew
- Catholics comprise 19% of U.S. adults in 2023-24, down slightly from 23% in 2007 as reported by Pew Research
- Jewish Americans are 2% of U.S. adults in 2023-24 per Pew Research Center
- Muslims comprise 1% of U.S. population in 2023-24 according to Pew
- Buddhists are 1% of U.S. adults per Pew 2023-24
- 29% of U.S. adults are religiously unaffiliated (nones) in 2023-24 per Pew Research Center
- Atheists are 4% of U.S. adults, agnostics 5%, nothing in particular 20% per Pew 2023-24
- Nones increased from 16% in 2007 to 29% in 2023-24 according to Pew
- 36% of U.S. adults attend religious services weekly or nearly weekly in 2023-24 per Pew, down from 39% in 2007
- 46% of Christians attend weekly per Pew 2023-24
- Evangelicals 58% weekly attendance per Pew
- 72% of U.S. adults believe in God in 2023-24 per Pew, down from 92% in 2007
- 80% of Christians absolutely certain God exists per Pew 2023-24
- 33% of Americans certain of heaven per Pew
Christian affiliation in the U.S. continues a long-term decline, now at about 62% of adults.






