Catholicism

Core beliefs & worldview

Ask a Catholic friend what being Catholic means and you might hear about Sunday Mass, a grandmother’s rosary, a school run by nuns, or a sense of belonging to something enormous and ancient. Beneath all of it lies a set of beliefs Catholics share with most Christians, and some that are distinctly Catholic.^•

God, Christ and the Trinity. Catholics believe in one God in three persons, Father, Son and Holy Spirit, as defined at Nicaea and later councils. Jesus is the Son of God, fully God and fully human, who died for the sins of the world and rose from the dead; his resurrection is the centre of the faith. The Nicene Creed, recited every Sunday, summarises all this.^•

See The Council of Nicaea.

Grace and the sacraments. Catholics believe God’s grace, his free gift of life and love, comes especially through seven sacraments: baptism, confirmation, the Eucharist (Holy Communion), reconciliation (confession), the anointing of the sick, marriage and holy orders (ordination). The Eucharist is “the source and summit” of Christian life: Catholics believe that at Mass the bread and wine become the real body and blood of Christ, while still looking like bread and wine.^•

The church and its authority. Catholics believe Christ founded one church on the apostles, and that the bishops are their successors, with the pope, the bishop of Rome, as successor of Peter and visible head. Scripture and tradition together hand on God’s revelation, interpreted by the church’s teaching office, the Magisterium. The pope is infallible only in rare, solemn definitions; most of what popes say is not covered.^•

Faith and reason. In the Catholic tradition, from Augustine and Thomas Aquinas onward, faith and reason are partners, not rivals. The church founded the first European universities and has long accepted that evolution is compatible with faith, although its trial of Galileo remains a famous counter-example it has since acknowledged as an error.^•

Human dignity and social teaching. Every human life is sacred from conception to natural death, which grounds Catholic opposition to abortion and euthanasia and, in recent decades, to the death penalty. Since Leo XIII’s Rerum Novarum (1891), Catholic social teaching has also stressed workers’ rights, the common good and a “preferential option for the poor”, which is why Catholics turn up on both sides of the usual left-right divide.^•

Daily life & customs

Sunday Mass. Catholics are obliged to attend Mass on Sundays (or Saturday evenings) and major feasts. The Mass has two parts: the Liturgy of the Word, with readings from the Bible and a homily, and the Liturgy of the Eucharist, when the priest consecrates bread and wine and the faithful receive communion. Catholics who are aware of serious sin are asked to go to confession before receiving. Practice varies greatly: in the US, 29% of Catholics attend weekly or more, and in much of Western Europe far fewer, while in Nigeria or the Philippines churches overflow.^•

Prayer and devotion. Catholics pray the Our Father and the Hail Mary, say grace before meals, light candles before statues and make the sign of the cross. Many pray the rosary, keep a crucifix or holy pictures at home, and go on pilgrimage to shrines. Popular devotions vary enormously, from processions in Spanish and Filipino Holy Week to Day of the Dead altars in Mexico and novenas to favourite saints.^•

The liturgical year. Catholic time runs in seasons, each with its colour:^•

• Advent, four weeks of preparation before Christmas.
• Christmas, from Christmas Eve to the Baptism of the Lord in January, including Epiphany.
• Lent, forty days of prayer, fasting and almsgiving, beginning on Ash Wednesday, when Catholics receive a cross of ashes on the forehead. Many give something up, and on Fridays in Lent Catholics traditionally avoid meat.
• Holy Week and Easter, the summit of the year: Palm Sunday, the Last Supper on Holy Thursday, the crucifixion on Good Friday and the Easter Vigil, when new adults are baptised.
• Easter season, fifty days ending at Pentecost, then Ordinary Time, punctuated by saints’ days and Marian feasts.

Saints. The church recognises saints, people of heroic holiness, through a formal process of canonisation. Catholics ask saints to pray for them, choose patron saints for countries, jobs and causes (St Anthony for lost things), and take saints’ names at baptism and confirmation. In many countries people celebrate their saint’s “name day”.^•

Life events. Babies are usually baptised in the first months of life. Children make their First Communion around the age of seven or eight, often in white dresses and small suits, a big family occasion, and are confirmed later. Weddings take place in church, and the church does not recognise divorce, though a marriage can be declared null (an annulment). At death there is a funeral Mass, often a wake before it, and prayers for the soul of the departed; cremation has been permitted since 1963, though the church asks that ashes be buried rather than scattered.^•

Priests, nuns and lay people. Priests in the Latin Church are normally celibate men; Eastern Catholic churches have married priests. Religious orders, from Benedictine monks to Franciscan friars, Jesuits and many orders of sisters, run schools, hospitals and missions. But most of the church’s life is carried by lay people, especially women, who teach catechism, run parishes and serve the poor.^•

Wounds & sensitivities

The abuse crisis. For many Catholics, nothing hurts more than the abuse of children by priests and the cover-up by bishops, exposed in the US from 2002 and since in Ireland, Australia, France, Germany, Chile and beyond. Some lost their faith; many feel betrayed by leaders while still loving their parish. Jokes about priests and children land very badly, especially with survivors and their families.^•

See The clergy sexual abuse crisis.

Anti-Catholic prejudice. Catholics have often been the suspect minority: under Britain’s penal laws, in nineteenth-century America where anti-Catholic mobs burned churches and nativists accused immigrants of loyalty to a foreign pope, and in the questions John F. Kennedy faced in 1960. In places such as Northern Ireland, religion and politics are still tangled.^•

Today Catholics face violence and restrictions in parts of Nigeria, China, Nicaragua and elsewhere.^•

History used as a weapon. The Crusades, the Inquisition, Galileo and colonial conquest are real and painful parts of Catholic history, and the church itself has apologised for many of them. But Catholics often feel that these are thrown at them selectively, without context, or as if a farmer in Kenya or a nurse in Manila were personally responsible.^•

Colonialism and Indigenous peoples. For Indigenous Catholics and others, the church’s role in conquest and in institutions such as Canada’s residential schools is a living wound, acknowledged by Pope Francis’s apologies in 2015 and 2022.^•

See Missions and empire.

Mockery of the sacred. The Eucharist, the crucifix and Mary are deeply holy to Catholics. Even non-practising Catholics may be hurt by casual mockery of them.

Modern attitudes

Belief and disagreement. Catholics often disagree with official teaching, particularly in the West. In the US, Pew found in 2025 that 59% of Catholics think abortion should be legal in most or all cases, despite the church’s firm opposition, and studies have long found that most Western Catholics disregard the ban on contraception.^•

In Africa and parts of Asia and Latin America, Catholics tend to be more traditional on sexual ethics, which shows up in church debates, such as African bishops’ rejection of blessings for same-sex couples in 2023.^•

Politics. There is no single Catholic politics. Catholic teaching is pro-life and pro-family, but also pro-migrant, pro-worker and pro-environment. In the US, Catholic voters split roughly evenly, with 53% of Catholic registered voters leaning Republican and 43% Democratic in 2025.^•

In Latin America, liberation theology of the 1970s and 1980s tied faith to the struggle of the poor, and Archbishop Óscar Romero of San Salvador, assassinated at the altar in 1980, was canonised in 2018.^•

Shifting numbers. Worldwide, the number of Catholics keeps rising, by about 1.1% a year, driven by Africa, while Europe barely grows.^•

In historically Catholic countries the picture is often decline: in Brazil, the share of Catholics fell to 56.7% in the 2022 census as evangelical Protestants rose to about 27%, and in the US the Catholic share has fallen from 24% in 2007 to about 20%, with immigrants (29% of US Catholics) helping to fill the pews.^•

The popes. Pope Francis was popular with Catholics in the US, where 78% viewed him favourably in early 2025, but his reforms divided the church’s conservative and progressive wings. Leo XIV, elected in May 2025, is seen by many as a bridge-builder between them.^•

See Pope Francis and Pope Leo XIV.

Not all Catholics are the same

Latin and Eastern Catholics. Most Catholics belong to the Latin (Roman) Church. But there are also 23 Eastern Catholic churches in full communion with the pope, each with its own liturgy, spirituality and laws, such as the Ukrainian Greek Catholics, the Syro-Malabar Catholics of India, the Maronites of Lebanon and the Chaldeans of Iraq. Many have married priests and look, to a Westerner, very like Orthodox churches.^•

Different national flavours. Irish, Polish, Italian, Filipino, Mexican, Nigerian and Vietnamese Catholicisms each have their own saints, songs, foods and feelings about the church. For many Poles and Irish, the faith was bound up with national resistance; for many Mexicans, it centres on Our Lady of Guadalupe.^•

Traditionalists and progressives. Traditionalist Catholics love the old Latin Mass and stress continuity with the church before Vatican II; a minority belong to groups outside full communion, such as the Society of St Pius X. Progressive Catholics push for women’s ordination, married priests and full acceptance of LGBTQ people, as in Germany’s “Synodal Way”. Most Catholics sit somewhere in between.^•

Charismatics, devotional and cultural Catholics. Since the late 1960s the Catholic Charismatic Renewal, with its spontaneous praise and healing prayer, has spread widely, especially in Latin America and Africa. Others express their faith mainly through processions, pilgrimages and saints’ feasts. And many “cultural Catholics” rarely go to Mass but still baptise their children, come at Christmas and feel Catholic to their bones.^•

Meeting someone

Conversation starters

• Feasts and family traditions. Christmas Eve meals, Easter customs, the patron saint of their family’s village or their First Communion are good, warm topics.
• Saints and shrines. Many Catholics have a favourite saint or have walked the Camino de Santiago or visited Lourdes, Fátima or Guadalupe.
• The new pope. Many Catholics enjoy talking about Pope Leo XIV, the first American pope, and what he might change.
• Their parish or school. Catholic schools shaped millions of people, believers or not, and most have stories, fond and otherwise.

Topics to approach carefully

• The abuse crisis. It is a legitimate subject, but don’t treat a Catholic as personally responsible, and remember that survivors may be in the room.^•
  • The Nature and Scope of the Problem of Sexual Abuse of Minors by Catholic Priests and Deacons in the United States, 1950–2002 — John Jay College of Criminal Justice, United States Conference of Catholic Bishops (2004)
• Abortion, contraception, sexuality and women priests. Catholics hold every view; don’t assume someone agrees with official teaching or with you.
• The Eucharist and Mary. Ridicule of what Catholics hold most sacred can hurt even non-practising Catholics.
• Receiving communion. If you attend a Catholic Mass and are not Catholic, the usual courtesy is not to receive communion; you can stay seated or go forward with arms crossed for a blessing.^•
  • Catechism of the Catholic Church (2nd edition) — Holy See, Libreria Editrice Vaticana (1997)

Common misconceptions

• “Catholics worship Mary and the saints.” Catholics honour Mary and the saints and ask for their prayers, but worship belongs to God alone; the church draws a clear distinction between the two.^•
  • Catechism of the Catholic Church (2nd edition) — Holy See, Libreria Editrice Vaticana (1997)
• “The pope is always infallible.” Infallibility applies only to rare, solemn definitions of faith or morals, used formally once since 1870. Popes’ opinions, interviews and most documents are not infallible.^•
  • Vatican I: The Council and the Making of the Ultramontane Church — John W. O'Malley, Harvard University Press (2018)
  • Catechism of the Catholic Church (2nd edition) — Holy See, Libreria Editrice Vaticana (1997)
• “Catholics aren’t Christians.” Catholicism is the oldest and largest form of Western Christianity, and Catholics share the Bible and the creeds with other Christians.^•
  • A History of Christianity: The First Three Thousand Years — Diarmaid MacCulloch, Allen Lane (2009)
• “Confession lets you sin and get away with it.” Confession requires genuine sorrow and the intention to change, and forgiveness from God does not cancel the duty to make amends.^•
  • Catechism of the Catholic Church (2nd edition) — Holy See, Libreria Editrice Vaticana (1997)
• “Catholics must have huge families.” The church teaches openness to children but allows natural family planning, and Catholic birth rates in Europe and the Americas are now similar to everyone else’s.^•
  • Catechism of the Catholic Church (2nd edition) — Holy See, Libreria Editrice Vaticana (1997)
• “Catholicism is a European religion.” About one in five Catholics is African, nearly half live in the Americas, and the two most recent popes came from Argentina and from the US by way of Peru.^•
  • New data from Annuario Pontificio 2026 shows Catholics growing — Vatican News, Vatican News (2026)
  • Global Christianity: A Report on the Size and Distribution of the World's Christian Population — Pew Research Center, Pew Research Center (2011)