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. 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.

In 1972, an estimated ** percent of the population in the United States identified as Christian. By 2020, this number dropped down to ** percent, a phenomenon which may be attributed to recent trends where many Americans have left Christianity to instead identify as atheist, agnostic, or nothing in particular. If these trends continue, the number of Americans who are Christian has been projected to fall to ** percent by 2070.

This statistic shows the percentage of church income by individual donations in the United States in 2008, by faith tradition. As of 2008, individual donations make up for about 97 percent of income of Conservative Protestant churches in the United States.

In 2023, about 33 percent of Americans were Protestants, down from 69 percent in 1948. In that same year, about 22 percent of Americans were Catholic, while 22 percent said that they had no religion at all.

This statistic shows the giving levels across congregations in the United States in 2008, by faith tradition. As of 2008, about 11 percent of Catholic adherents give 10 percent or more of their net income regularly to church.

This statistic shows the sources of congregational income of churches in the United States in 2008, by faith tradition. As of 2008, trust funds, investments, bequets were the source of about 48 percent of Mainline Protestant churches in the United States.

This graph shows the number of ordained clergy serving religious parishes in the United States in 2009, by church. In 2009, about 105 thousand clergy members were serving the Southern Baptist Convention.

In the United States, the share of Americans affiliated with one of the three main white Christian religious denominations has been declining since 2006. While ** percent of Americans identified as White evangelical Protestants in 2006, the number was **** percent in 2023.

This statistic shows the median donation per worshipper of churches in the United States in 2008, by faith tradition. As of 2008, the median donation per worshipper of Mainline Protestant churches was at 1,627 U.S. dollars per year.

This statistic shows the median donation per worshipper of churches in the United States in 2008, by church size. As of 2008, the median donation per worshipper of mid-sized churches (101 to 350 members) was at 1,656 U.S. dollars per year.

This statistic shows the sources of congregational income of churches in the United States in 2008, by church size. As of 2008, trust funds, investments, bequets were the source of about 41 percent of income of small churches with up to 100 members.

According to a survey conducted from 2022 to 2023, ** percent of Asian Americans identified as Christian in the United States, while ** percent identified with no religion. In comparison, ** percent of Asian Americans also identified as either Buddhist or Hindu.

According to a 2022 survey, 31 percent of Americans never attend church or synagogue, compared to 20 percent of Americans who attend every week.

Religiosity in the United States

Despite only about a fifth of Americans attending church or synagogue on a weekly basis, almost 40 percent consider themselves to be very religious. Additionally, states in the Deep South such as Mississippi, Alabama, and Louisiana had the most residents identifying as very religious. In contrast, New England states like Vermont, Maine, and New Hampshire had the most people identifying as nonreligious.

A Christian nation?

Despite the official separation of church and state embedded in the Constitution, many would still consider the United States to be a Christian nation. Catholicism has the largest number of adherents in the United States, due to there being many different Protestant denominations. The Southern Baptist Convention had the largest number of Evangelical adherents, while the United Methodist Church was the largest Mainline Protestant denomination.

This statistic shows the gender distribution of religious groups in the United States, as of January 2017, by faith tradition. In January 2017, about 48 percent of Jews in the United States were men.

This statistic shows the share of adults in the United States affiliated to a religious denomination in January 2017, by race/ethnicity. As of January 2017, 15 percent of Asian or Pacific Islanders in the United States identified themselves as Hindu.

From 2021 to 2023, Republicans were found much more likely than Democrats to be Protestants in the United States, with ** percent of surveyed Republicans identifying as Protestants compared to ** percent of Democrats. However, Democrats were found more likely than Republicans to identify with no religion, with ** percent of Democrats saying that they have no religious identity compared to ** percent of Republicans.

According to a survey conducted between July 2023 and March 2024, ** percent of Americans who were widowed identified as Christian in the United States, including Christian denominations such as Protestants, Catholics, Orthodox Christians, Latter-Day Saints (Mormons), Jehovah's Witnesses, and more. A further ** percent of married Americans and ** percent of divorced or separated Americans were also Christian, demonstrating the ongoing prevalence of Christianity among the U.S. population overall. In comparison, religiously unaffiliated individuals, identifying as atheist, agnostic, or nothing in particular, made up ** percent of married Americans and ** percent of divorced or separated Americans during this time period.

This statistic shows the results of a survey among Americans on their religiosity in 2017, by state. In Mississippi, about 59 percent of respondents stated they were "very religious", 29 percent defined themselves as "moderately religious" and 12 percent said they were "nonreligious".

This statistic shows the religious affiliation of rural Americans in 2019, by religion. During the survey, ** percent of rural Americans reported being Evangelical Protestants.

This statistic shows the share of Americans who were registered to vote in the United States in 2022, by religion. During the survey, ** percent of Muslim respondents reported that they are registered to vote.