In 2023, **** percent of Americans were unaffiliated with any religion. A further **** percent of Americans were White evangelical Protestants, and an additional **** percent were White mainline Protestants.
Religious trends in the United States
Although the United States is still home to the largest number of Christians worldwide, the nation has started to reflect a more diverse religious landscape in recent years. Americans now report a wide range of religious beliefs and backgrounds, in addition to an increasing number of people who are choosing to identify with no religion at all. Studies suggest that many Americans have left their previous religion to instead identify as atheist, agnostic, or nothing in particular, with many reasoning that they stopped believing in the religion's teachings, that they didn't approve of negative teachings or treatment of LGBTQ+ people, or that their family was never that religious growing up.Â
Christian controversies
Over the last few years, controversies linked to Christian denominations have plagued the nation, including reports of child sexual abuse by the Catholic Church, the Church of Jesus Christ of Latter-day Saints, and the Southern Baptist Convention. Christian churches have also been accused of supporting discriminatory actions against LGBTQ+ people and people belonging to other religious groups. In addition, there have been increasing concerns about Christian nationalism, the political ideology that asserts that America was founded to be a Christian nation. Although the majority of Americans still think that declaring the United States a Christian nation would go against the U.S. Constitution, studies found that most Republicans would be in favor of this change.Â
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Public Religion Research Institute. (March 31, 2024). Self-described religious identification of the adult population in the United States in 2023 [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 27, 2026, from /statistics/183817/religious-identification-of-adult-population/
Public Religion Research Institute. "Self-described religious identification of the adult population in the United States in 2023." Chart. March 31, 2024. ÌÇÐÄÆÆ½â°æ. Accessed July 27, 2026. /statistics/183817/religious-identification-of-adult-population/
Public Religion Research Institute. (2024). Self-described religious identification of the adult population in the United States in 2023. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 27, 2026. /statistics/183817/religious-identification-of-adult-population/
Public Religion Research Institute. "Self-described Religious Identification of The Adult Population in The United States in 2023." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 31 Mar 2024, /statistics/183817/religious-identification-of-adult-population/
Public Religion Research Institute, Self-described religious identification of the adult population in the United States in 2023 ÌÇÐÄÆÆ½â°æ, /statistics/183817/religious-identification-of-adult-population/ (last visited July 27, 2026)
Self-described religious identification of the adult population in the United States in 2023 [Graph], Public Religion Research Institute, March 31, 2024. [Online]. Available: /statistics/183817/religious-identification-of-adult-population/