According to a survey conducted in Spain in September 2024, **** percent of respondents stated they considered themselves lapsed ********. The second-largest denomination was practicing *********, with nearly ** percent of respondents.

Although traditionally a Catholic country, Spain saw a decline in the number of believers over the past years. Compared to 2011, when the share of believers accounted for slightly over 70 percent of the Spanish population, the Catholic community lost approximately 15 percentage points of their faithful by June 2025 with a share of 56.1 percent of the surveyed population. Believers of a religion other than Catholicism accounted for approximately 3.6 percent of the Spanish population in 2025 according to the most recent data. A Catholic majority, a practicing minority Going to mass is no longer a thing in Spain, or so it would seem when looking at the latest statistics about the matter: over 47 percent of those who consider themselves Catholics almost never attend any religious service in June 2025. The not so Catholic Spain Around 37 percent of the surveyed population stated to be either non-believers or full atheists in 2025. Non-believers or people that do not have a religious faith fluctuated over the past years with the latest figures showing a 21 percent of people that categorize themselves as so. The share of Spanish atheists is on the rise according to the most recent surveys, taking up 13.3 percent of respondents in June 2025.

Spain has a long history of Islamic tradition under its belt. From cuisine to architecture, the southern European country has been linked to the North of Africa through many common elements. At the end of 2023, there were approximately 2.41 million Muslims in Spain, most of them of Spanish and Moroccan nationality, with upwards of eight hundred thousand believers in both cases. With a Muslim population of more than 660,000 people, Catalonia was home to the largest Muslim community in Spain as of the same date.

The not so Catholic Spain

Believers of a religion other than Catholicism accounted for approximately 3 percent of the Spanish population, according to the most recent data. Although traditionally a Catholic country, Spain saw a decline in the number of believers over the past years. Compared to previous years, when the share of believers accounted for slightly over 70 percent of the Spanish population, the Catholic community lost ground, while still being the major religion for the foreseable future.

A Catholic majority, a practicing minority

Going to mass is no longer a thing in Spain, or so it would seem when looking at the latest statistics about the matter: 50 percent of those who consider themselves Catholics almost never attend any religious service in 2024. The numbers increased until 2019, from 55.5 percent of the population never attending religious services in 2011 to 63.1 percent in 2019. The share of population that stated to be practicing believers and go to mass every Sunday and on the most important holidays accounted for only 15.5 percent.

Since 1980, the percentage of nonreligious people has more than quadrupled. In that year, 8.5 percent of the Spanish population was nonreligious. By 2024, more than 39 percent of the Spanish population reported not being religious.

In 2024, approximately ** percent of the population aged 75 and older reported being religious. In contrast, in the ***** age group, ****percent reported not being religious. Between the ages of ** and **, **** percent were not religious.

This statistic presents the share of the Spanish population affiliated with a religious denomination in 2018, broken down by specific denomination. To that date, about ** percent of the population were affiliated with the Roman Catholic Church, whereas approximately ** percent said they did not have any affiliation with any particular religious denomination.

Combined Longitudinal Study of the Second Generation in Spain data set, Waves 1, 2, and 3. This is the publicly available version of the ILSEG data (ILSEG is the Spanish acronym for Investigación Longitudinal de la Segunda Generación, Longitudinal Study of the Second Generation). Questions address the situations and plans for the future of young Spaniards who are children of immigrants to Spain, who were living in Madrid and Barcelona and attending secondary school in 2007-2008 and the 2011-2012 and 2015-2016 follow ups). The longitudinal study of the second Generation (ILSEG in its Spanish initials) represents the first attempt to conduct a large-scale study of the adaptation of children of immigrants to Spanish society over time. To that end, a large and statistically representative sample of children born to foreign parents in Spain or those brought at an early age to the country was identified and interviewed in metropolitan Madrid and Barcelona for wave 1. In total, almost 7,000 children of immigrants attending basic secondary school in close to 200 educational centers in both cities took part in the study. Because of sample attrition, wave 2 introduced a replacement sample. Additionally, a native born sample of children of Spaniards was also included to enable comparisons between native and immigrant-origin populations of the same age cohort.Topics include basic demographics, national origins, Spanish language acquisition, foreign language knowledge and retention, parents' education and employment, respondents' education and aspirations, religion, household arrangements, life experiences, and attitudes about Spanish society. Demographic variables include age, sex, birth country, language proficiency (Spanish and Catalan), language spoken in the home, number of siblings, mother's and father's birth country, religion, national identity, parent's sex, parent's marital status, parent's birth year, and the year the parent arrived in Spain.

This study includes data on regional level for nine Western European countries: election returns, occupation categories, religion, population.

As of May 2023, the Popular Party (PP) is the party that has gained the most voting intentions from the Spanish Catholic population, with nearly 40 percent of practicing Catholics and approximately 27 percent of non-practicing Catholics intending to vote for this party. The preference of non-believing atheists, with more than 22 percent, is towards the Sumar party. As for believers in other religions, more than 24 percent stated that they would not vote in the July 23 elections.

In 2023, ** percent of the population surveyed in Spain agreed with the idea that religious practices are important for the moral life of citizens. This represents an increase of * percentage points compared to 2017, when ** percent of Spaniards agreed.

In 2023, Catalonia ranked as the Spanish autonomous community with the highest number of Muslims with more than *******. It was followed by Andalusia with approximately *******.

The statistic presents the frequency of prayer of the population affiliated with a religion in Spain in 2019. During that year, ** percent of the respondents stated that they never or almost never pray, while ** percent answered that they pray ever day.

In 2023, there were more than ******* Muslims with Spanish nationality in the Region of Valencia, followed by Muslims with Moroccan nationality with figures that reached over ****** individuals.

In 2023, there were over than ******* Muslims with Spanish nationality in the Community of Madrid, followed by Muslims with Moroccan nationality with figures of about ***** individuals.

In 2023, there were a total of approximately ******* Muslims in Andalusia, more than ****** of them with Spanish nationality. And ******* had Moroccan nationality, the second most common nationality of Muslims in the autonomous community.

In 2023, there were around ******* Muslims with Moroccan nationality in the autonomous community of Catalonia, only behind Muslims with Spanish nationality with figures that exceeded ******* individuals.

In 2023, there were almost ****** Muslims with Moroccan nationality in the autonomous community of the Basque Country, followed by Muslims with Spanish nationality with figures of about ****** individuals.

This statistic shows the estimated number of Muslims living in different European countries as of 2016. Approximately **** million Muslims were estimated to live in France, the most of any country listed. Germany and the United Kingdom also have large muslim populations with **** million and **** million respectively.

The world's Jewish population has had a complex and tumultuous history over the past millennia, regularly dealing with persecution, pogroms, and even genocide. The legacy of expulsion and persecution of Jews, including bans on land ownership, meant that Jewish communities disproportionately lived in urban areas, working as artisans or traders, and often lived in their own settlements separate to the rest of the urban population. This separation contributed to the impression that events such as pandemics, famines, or economic shocks did not affect Jews as much as other populations, and such factors came to form the basis of the mistrust and stereotypes of wealth (characterized as greed) that have made up anti-Semitic rhetoric for centuries. Development since the Middle Ages The concentration of Jewish populations across the world has shifted across different centuries. In the Middle Ages, the largest Jewish populations were found in Palestine and the wider Levant region, with other sizeable populations in present-day France, Italy, and Spain. Later, however, the Jewish disapora became increasingly concentrated in Eastern Europe after waves of pogroms in the west saw Jewish communities move eastward. Poland in particular was often considered a refuge for Jews from the late-Middle Ages until the 18th century, when it was then partitioned between Austria, Prussia, and Russia, and persecution increased. Push factors such as major pogroms in the Russian Empire in the 19th century and growing oppression in the west during the interwar period then saw many Jews migrate to the United States in search of opportunity.