Church attendance is a central religious practice for many Christians; some Christian denominations require church attendance on the Lord's Day (Sunday).

In addition to being based upon the spirit of the Ten Commandments ("Remember the Sabbath day, to keep it holy"), the importance of church attendance in Christian theology is delineated in , which implores the believers: "Let us not neglect our church meetings, as some people do, but encourage and warn each other, especially now that the day of his coming back again is drawing near." Certain early Christian saints emphasized the necessity of church attendance for the continuance of the faith, such as John Climacus, who declared that "a sure sign of the deadening of the soul is the avoidance of church services." The Lutheran theologian stated that church attendance is the "foundation for the Christian life" as "the Christian Bible and the sacraments provide the framework for the faith"; he also states that it is important for believers because it aids in the prevention of backsliding, as well as offers "the company of other believers". The Catholic Church teaches that on Sundays and other holy days of obligation, the faithful are required to attend Mass. The Westminster Confession of Faith held by many Reformed Churches teaches first-day (Sunday) Sabbatarianism and the duty of church attendance on this day. Similarly, Methodist Church also requires attending "the public worship of God".

Certain Christian countries prescribe church attendance in their civil laws. In Lutheran Scandinavia (particularly in Sweden and Finland), the Kyrkogångsplikt was the legal obligation for citizens to attend Mass on the Lord's Day. Until 1791, it was a legal requirement in the Kingdom of Great Britain to attend services of the Church of England (the state church) at least twice a year.

In 2015, about two-thirds of Latin American Christians and 90% of African Christians in Ghana, Nigeria, Rwanda and Zimbabwe said they attended church regularly. Pew Research Center showed that South Africa in 2018 had 55% of Christians who attend church regularly. The same year another study by Pew, identified that Christians in Africa and Latin America and the United States have high levels of commitment to their faith, and it is somewhat more common in Central and Eastern Europe, while 15 Western European countries had a median of 22% monthly attendance for self-identified Christians.https://espas.secure.europarl.europa.eu/orbis/system/files/generated/document/en/Being-Christian-in-Western-Europe-FOR-WEB1.pdf

"Relatively few adults in Western Europe participate in religious activities. For example, across the 15 countries surveyed, a median of 22% say they attend religious services at least once a month. By comparison, regular religious service attendance is much more common in some other parts of the world with large Christian populations, including Africa, Latin America and the United States, and it is somewhat more common in Central and Eastern Europe." Prior, data from the European Social Survey in 2012 had shown that around a third of European Christians said they attend services once a month or more.Christianity and church attendance The Economist reported that church attendance increased amongst young people in America—especially young Republican men—while Christian self-identification has steadied across the Western world. These findings of attendance amongst youth were contested, as the data showed younger generations remain the least likely to attend or identify compared to prior generations. In 2025 a significant percentage of US churches were experiencing attendance declines, but other American congregations of equal number saw increases, which lead to an overall, but uneven gain in church attendance.

The Gallup International, a self-reporting survey conducted via telephone, indicates that 37% of Americans report that they attend religious services weekly or near-weekly in 2013. The Pew Research Center stated, however, that there is a "sharp increase in church attendance around the two most significant Christian holidays, Christmas and Easter". As such, on Christmas (a holy day of obligation in the Catholic Church, a Festival in the Lutheran Churches and a Principal Feast in the Anglican Communion), LifeWay Research found that "six out of 10 Americans typically attend church".

According to Athena Magazine, former countries that held to a policy of state atheism actively discouraged church attendance and church membership, often persecuting Christians who continued to worship.

Theology

The holding of church services pertains to the observance of the Lord's Day in Christianity. The Bible has a precedent for a pattern of morning and evening worship that has given rise to Sunday morning and Sunday evening services of worship held in the churches of many Christian denominations today, a "structure to help families sanctify the Lord’s Day." In and , "God commanded the daily offerings in the tabernacle to be made once in the morning and then again at twilight". In Psalm 92, which is a prayer concerning the observance of the Sabbath, the prophet David writes "It is good to give thanks to the Lord, to sing praises to your name, O Most High; to declare your steadfast love in the morning, and your faithfulness by night" (cf. ). Church father Eusebius of Caesarea thus declared: "For it is surely no small sign of God’s power that throughout the whole world in the churches of God at the morning rising of the sun and at the evening hours, hymns, praises, and truly divine delights are offered to God. God’s delights are indeed the hymns sent up everywhere on earth in his Church at the times of morning and evening." The early Christians attended two liturgies on the Lord's Day, worshipping communally in both a morning service and evening service, with the purpose of reading the Scriptures and celebrating the Eucharist. Throughout the rest of the week, Christians assembled at the church every day for morning prayer (which became known as lauds) and evening prayer (which became known as vespers), while praying at the other fixed prayer times privately; Christian monastics came to gather together to corporately pray all of the seven canonical hours communally.

In addition to being based upon the spirit of the Ten Commandments (which includes the injunction to "Remember the sabbath day, to keep it holy"), the importance of church attendance in Christian theology is delineated in , which implores the believers: "Let us not neglect our church meetings, as some people do, but encourage and warn each other, especially now that the day of his coming back again is drawing near." Among Sunday Sabbatarians (First-day Sabbatarians), observance of the Lord's Day often takes the form of attending the Sunday morning service of worship, receiving catechesis through Sunday School, performing acts of mercy (such as evangelism, visiting prisoners in jails and seeing the sick at hospitals), and attending the Sunday evening service of worship, as well as refraining from Sunday shopping, servile work, playing sports, viewing the television, and dining at restaurants.

The majority of Christian denominations hold church services on the Lord's Day (with many offering Sunday morning and Sunday evening services); a number of traditions have mid-week Wednesday evening services as well. In some Christian denominations, church services are held daily, with these including those in which the canonical hours are prayed, as well as the offering of the Mass, among other forms of worship. In addition to this, many Christians attend services of worship on holy days such as Christmas, Ash Wednesday, Good Friday, Ascension Thursday, among others depending on the Christian denomination.

Statistics

The Gallup International, a self-reporting survey conducted via telephone, indicates that 37% of Americans report that they attend religious services weekly or near-weekly in 2013. Self-reporting surveys conducted online indicate substantially lower weekly attendance rates, and methods of measurement that do not rely on self-reporting estimate even lower rates; for instance, a 2005 study published in the Journal for the Scientific Study of Religion found that just 22% of Americans attend services weekly. This compares to other countries' claims such as 15% of French citizens, 10% of British citizens,One in 10 attends church weekly BBC News. 8.8% of Australian citizens and 5.6% of Dutch citizens.NCLS releases latest estimates of church attendance. National Church Life Survey, Media release. In the U.K., in 2011, an average once-a-week attendance in Anglican churches went down by 0.3% compared with 2012, thus exhibiting a stabilizing trend.Baker, David. New church attendance figures – do the numbers add up? Comment, 16 May 2013. Previously, starting from 2000, an average rate of weekly church attendance in Britain was dropping down 1% annually. In 2013, the Pew Research Center reported that 37% of all Americans attended church on a weekly basis.Lipka, Michael. What surveys say about worship attendance – and why some stay home. Pewresearch.org, September 13, 2013. In its turn, Gallup estimated the once-a-week church attendance of the Americans in 2013 as 39%.Church Attendance Today Similar to 1940s . Gallup, January 19, 2014.

Based on 1990–1991 data, it was estimated that the country with the highest rate of church attendance in the world was Nigeria (89%) and with the lowest—Soviet Russia (2%). Nigeria's data was notable, as Nigeria is very religiously diverse—the population is 50.1% Muslim and 48.2% Christian. The state authorities in the USSR, which dissolved in 1991, discouraged church construction; they had a hostile relationship with traditional organized religions and instead promoted Marxist-Leninist ideology, which espoused state atheism. A survey commissioned by the Época Magazine in 2005 showed that 29% of Brazilians attend church weekly, and indicated that it is lesser than in the United States but higher than in Western Europe and Japan, indeed showing that contrary to the local popular belief, Brazilians of the time could indeed be regarded as a religious people even in practice (though it is ponderable that the growth of the population declaring to be solely irreligious in nationwide censuses grew about 100% between 2000 and 2010, and 200% between 2000 and 2013, from 4% to 12%, and general secularization also grew among the portion of the population that remained religious).Época – O brasileiro em números

A 2006 Financial Times (FT)/Harris Poll conducted online surveyed 12,507 adults over 16 years old in the United States (2,010 U.S. adults were surveyed) and five European countries (France, Italy, Germany, Great Britain and Spain). The survey found that only 26% of those polled attended religious services "every week or more often", 9% went "once or twice a month", 21% went "a few times a year", 3% went "once a year", 22% went "less than once a year", and 18% never attend religious services. Harris Interactive stated that the magnitude of errors cannot be estimated due to sampling errors and non-response bias. A previous nearly identical survey by Harris in 2003 found that only 26% of those surveyed attended religious services "every week or more often", 11% went "once or twice a month" 19% went "a few times a year", 4% went "once a year", 16% went "less than once a year", and 25% never attend religious services.