Christianity in Spain is deeply rooted in history and culture, though the modern landscape is defined by rapid secularization and religious diversity. While the country was historically a devout Roman Catholic bastion, demographic surveys (such as the Centro de Investigaciones Sociológicas, or CIS) indicate that only about 18% to 20% of the population self-identify as practicing Catholics, with roughly 36% to 38% identifying as non-practicing or “cultural” Catholics. A significant portion of the country (around 40%) now claims no religious affiliation, identifying as atheist, agnostic, or simply indifferent.
The Catholic Majority
Despite the drop in active church attendance, Roman Catholicism remains the largest religious group in Spain. However, this majority is mostly cultural; many Spaniards are baptized and partake in major traditions without adhering to the Church’s doctrine.
- Cultural Traditions: Massive, centuries-old events like Semana Santa (Holy Week) in Seville and the Camino de Santiago pilgrimage still attract hundreds of thousands of participants and are core parts of Spanish national identity.
- Secularization: In daily life, Spain has become one of the most highly secularized countries in Western Europe. Despite the country’s Catholic history, the government is strictly secular, and Spain has progressive laws that legalize civil unions, same-sex marriage, and euthanasia.
Protestant and Other Christian Minorities
While minority religions make up a small slice of the population (about 3% to 4%), Protestantism—primarily evangelical Christianity—has been slowly growing.
- Immigration & Growth: Protestant and evangelical groups are largely comprised of immigrants from Latin America, Eastern Europe, and Africa, although they are increasingly attracting native Spaniards as well.
- Eastern Orthodoxy: There is a notable presence of Eastern Orthodox Christians, driven primarily by large Romanian and Bulgarian immigrant communities.
Historical Context
Christianity first arrived in the Iberian Peninsula during the Roman Empire, as early as the 1st century AD.
- The Reconquista: After centuries of Moorish (Islamic) rule starting in the 8th century, the Reconquista united the kingdoms under Catholic monarchs. This established Catholicism as the lifeblood of Spanish identity, which was later enforced by the Spanish Inquisition.
- State Religion: Catholicism remained the mandated state religion under General Francisco Franco’s regime (1939–1975). Since the transition to a modern democratic constitution in 1978, church and state have been constitutionally separated, paving the way for the secular and pluralistic Spain we see today.
Links for further overview of Spain:
Stichting HEALING THE NATIONS 