In 2023, 27.5 percent of Americans were unaffiliated with any religion. A further 13.4 percent of Americans were White evangelical Protestants, and an additional 13.3 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.

The statistic shows the religious affiliation of the population in the United States in 2017, by age. In 2017, about 38 percent of respondents aged 18 to 29 years old were unaffiliated with any religious belief.

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.

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 religious diversity in North America in 2010, by share of religious population. In 2010, about 77 percent of population were Christians.

From 2010 to 2023, Democrats were found much more likely than Republicans to identify with no religion in the United States. In 2023, 33 percent of Democrats said that they identified with no religion compared to 12 percent of Republicans.

According to a survey conducted from 2022 to 2023, 34 percent of Asian Americans identified as Christian in the United States while 32 percent identified with no religion. In comparison, 11 percent of Asian Americans also identified as either Buddhist or Hindu.

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 graph shows the ratio of religious adherents to population in the United States in 2010, by state. In 2010, about 79 percent of Utah's population were adherents to a religion.

Between 2023 and 2024, the majority of Muslim immigrants living in the United States were born in another country, with 59 percent of U.S. Muslims born outside the United States. In contrast, most Christian immigrants were U.S. born, with both parents also born in the U.S. during the provided time period.

According to a survey conducted in 2020, 54 percent of Indian Americans in the United States said that they identified as Hindu while 13 percent said that they identified as Muslim. A further nine percent said that they identified with no religion in particular.

During a survey conducted in 2023, approximately 54 percent of respondents in 17 Latin American countries claimed to be catholic. Meanwhile, 14.9 percent of the people participating in the survey said they did not profess any religion.In Mexico, more than 69 percent of respondents said they professed Catholicism. Particularly in Honduras, Colombia and Ecuador, most Christians think religion is very important in their lives.

According to a study conducted between July 2023 and March 2024, around a quarter of Christians, Protestants, Catholics, and Jews were retired in the United States, religious groups which are also more likely to be aged 65 or older. In contrast, only six percent of Muslims and seven percent of Hindus in the U.S. were retired during this time period.

The statistic shows the religious affiliation of the population in the United States in 2007. In 2007, 51.3 percent of the U.S. population were estimated to be Protestants.

According to a survey conducted in 2023, 74 percent of all U.S. adults said that they believed in God while 25 percent of Americans who identified with no religion shared this belief. In comparison, 94 percent of Americans who were Protestant or other Christian and 85 percent of Americans who were Catholic also said that they believed in God in that year.

This statistic shows the distribution of political party affiliations among religious groups in the United States, in 2016, by faith tradition. In 2016, about 44 percent of Mormon in the United States affiliated themselves with the Republican Party.

This statistic shows the educational attainment of religious groups in the United States as of January 2017, by faith tradition. In 2017, about 38 percent of Hindu believers in the United States had a post-graduate degree.

According to a survey conducted in 2022, 44 percent of Jewish Americans said that they made 100,000 U.S. dollars or more in the United States. In comparison, 33 percent of Muslim Americans said that they made less than 30,000 U.S. dollars.

The U.S. Congress has become increasingly diverse over the years, though remains predominantly Protestant and Catholic. In 2023, 56.7 percent of Congress identified as Protestant, and 0.6 percent of Congress identified as Muslim.

According to a study conducted between July 2023 and March 2024, more women were Christians, Protestants, Catholics, and Latter-day Saints (Mormons) than men in the United States. In contrast, only 36 percent of women identified as Orthodox Christian, compared to 61 percent of men and one percent who identified in some other way.