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.

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.

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.

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.

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 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".

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

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.

In 1972, an estimated 90 percent of the population in the United States identified as Christian. By 2020, this number dropped down to 64 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 35 percent by 2070.

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.

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.

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 study conducted between July 2023 and March 2024, the majority of the Jewish population in the United States was white, at ** percent. Christians and Christian denominations, such as Latter-day Saints (Mormons), Orthodox Christians, Protestants, and Catholics, were also made up of white majorities, in addition to those who identified as religiously unaffiliated, including atheists, agnostic, or nothing in particular.

Belief in God has historically been a persistent aspect of American society, with ** percent of surveyed Americans saying that they believed in God in 1944. However, the share of Americans who believed in God has decreased steadily over time after reaching a peak of ** percent in the ***** and ***. As of 2022, the share of Americans who believed in God had fallen to ** percent. Religious participation and practice There has been a significant reduction in participation within religious organizations in the United States, with Americans found less likely to attend church or become members of a church. While ** percent of Americans belonged to a church, synagogue, mosque, or temple in 1999, this number dropped to 47 percent by 2021. This decline in church membership may have contributed to Americans’ waning belief in God, as continuous religious practice has been attributed to greater faith and religious conviction. ** percent of Americans who attended religious services weekly believed that God hears prayers and intervenes, in comparison to 28 percent of Americans who seldom or never attended religious services. Younger Americans less likely to believe While most U.S. adults still believe in God, younger Americans are less likely to share this belief. Older generations of Americans were more likely to participate in religious services while growing up, with ** percent of the Silent Generation reporting that they attended Sunday school or another religious education program, while Generation Z were more likely to have lacked any sort of religious upbringing in the United States. In 2021, 15 percent of Gen Z said that they had never been religious.

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 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.

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.

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.

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.

As of 2021, Generation Z was the most likely generation to have lacked a religious upbringing in the United States, with 15% of Gen Z reporting that they were never religious. The Silent Generation was most likely to have a religious upbringing, with 72 percent reporting that they still remained in the same religion.