In 2023, the average weekly church attendance at Church of England services was 693,000. Between 2009 and 2019 the average weekly church attendance for the Church of England fell by approximately 218,000. Church attendance figures fell even more during 2020 and 2021, although this was due to the COVID-19 pandemic.

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.

The share of Americans who were not a member of a church or synagogue has been increasing since 1992. In 2023, about 55 percent of Americans were not members of a church or synagogue. In that same year, 45 percent of Americans were members of a church or synagogue.

In 2023, approximately 1.96 million people in England attended a Christmas Church of England service, compared with the average weekly attendance of 693,000 people.

Every year, the number of Italian believers attending religious services becomes lower and lower. In 2023, the number of people attending places of worship at least once per week dropped below ten million individuals for the first time since at least 2001, seven million worshipers less than in 2013. However, figures increased to 10.2 million in 2024 compared to 2023. In 2020, the most prayerful were the citizens aged over 75 years, whereas the lowest number of individuals attending religious services at least once a week was recorded in the age group between 18 and 19 years. Religious affiliation of Italians Although the dominant religion in Italy is Catholicism, Italian citizens also belong to other religious minorities. In 2020, the largest share of individuals not affiliated to the Roman Catholic Church were Muslims, followed by Jehovah’s Witnesses and Protestants. Reasons to leave religion When asked about the reason they left the religion, 64 percent of the Italian respondents stated that they disagreed with their religion’s position on social issues. Another 60 percent of the interviewees were unhappy about scandals involving religious institutions, whereas six percent left the religion because they married someone outside the faith.

In 2023, 36 percent of people that were regular attendees of Church of England services were aged 70 or over, with just under half being aged between 18 and 69, and 18 percent being 17 or younger.

Data on religion by gender and age for the population in private households in Canada, provinces and territories.

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 share of the population in Denmark that is a member of the National Church declined over the past 10 years. In 2024, 4.25 million Danes were registered as members in the Danish National Church, meaning that 70 percent of the country's total population of six million people were members of the Church. 1.7 million people were not members of the Danish National Church that year. Every person who is baptized automatically becomes a member of the National Church, which in most cases happens through infant baptism. Since the Danish Reformation, the Danish National Church has been Evangelical Lutheran.

The biggest religious organization in Iceland in 2023 was the Evangelical Lutheran Church of Iceland, with more than 227,000 members. Ranked second was the Roman Catholic Church with about 15,000 members. Moreover, 73,000 had another religious stance or did not state their life stance, and 30,000 did not belong to any religious organization.

As of January 2025, approximately 35 percent of people in Great Britain said that they believed in a God / Gods, compared with 32 percent who had no belief in God / Gods at all.

According to a survey conducted in France in April 2023, 44 percent of the respondents affirmed they believed in God, and there were 56 percent of the surveyed who defined themselves as non- believers. Since 1947, French people's faith in God kept slightly decreasing, indeed in that year there were 66 percent of respondents affirming they believed in God, and there were only 55 percent in 2004.

Historically, Portugal has been a country of Catholics. The 2021 census demonstrated that this trend has not been inverted, as over 80 percent of the population in Portugal identified as Catholic. Protestant or Evangelic believers accounted for more than two percent of the population, while Jehovah's Witnesses constituted one percent of residents. Among non-Christian faiths, Muslims were the most representative group, making up 0.42 percent of the population.

Religious but generally not practicing the faith

In the same year, Catholics numbered more than seven million people spread throughout the country, conquering the religious majority in the mainland and in the two autonomous regions. Citizens without religion totaled more than 1.2 million, which made of them the second most numerous religious group in Portugal. Young people presented the same religious trend, with young Catholics being the most representative group, followed by non-religious. Among youngsters, the attendance of religious events was mostly conducted occasionally, while a quarter did not participate in such proceedings at all.

The contribute of immigration to the growth of Evangelical Christianity

Despite being the minority, non-Catholic Christian and non-Christian faiths have been growing in Portugal. In 2011, Evangelical believers totaled 75.6 thousand, more than doubling ten years after. Such growth was partially motivated by the increase in Brazilian immigration, as more than 61 percent of new members of Evangelical churches in 2023 were of Brazilian origin. In fact, Brazil was the place of origin of almost 82 percent of all the immigrant Evangelical Christians residing in Portugal. However, more than a quarter of new Evangelical Christians were Portuguese, which shows that other religions, namely Christian Catholicism, have been losing members to Evangelical Catholicism.

The statistic shows religion membership in the United Kingdom in 2011. In 2011, 71.6 percent of the total population of the UK identified themselves as Christians.