The source asked the question in the following way: "How do you define yourself in religious matters: Catholic, believer in another religion, non-believer, or atheist?"
*Figure corresponding to the latest survey.
Citation formats
Share of believers of a religion other than Catholicism in Spain Oct 2011-Apr 2026
In April 2026, the percentage of believers in a religion other than Catholicism in Spain reached percent. The largest share was reached in February 2025, when *** of respondents claimed to follow a religion other than Catholicism.
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Centro de Investigaciones Sociológicas. (June 1, 2025). Share of believers of a religion other than Catholicism in Spain from Oct 2011 to Apr 2026 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 03, 2026, from /statistics/992695/share-of-believers-of-a-religion-other-than-catholicism-in-spain/
Centro de Investigaciones Sociológicas. "Share of believers of a religion other than Catholicism in Spain from Oct 2011 to Apr 2026." Chart. June 1, 2025. ÌÇÐÄÆƽâ°æ. Accessed August 03, 2026. /statistics/992695/share-of-believers-of-a-religion-other-than-catholicism-in-spain/
Centro de Investigaciones Sociológicas. (2025). Share of believers of a religion other than Catholicism in Spain from Oct 2011 to Apr 2026. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 03, 2026. /statistics/992695/share-of-believers-of-a-religion-other-than-catholicism-in-spain/
Centro de Investigaciones Sociológicas. "Share of Believers of a Religion Other than Catholicism in Spain from Oct 2011 to Apr 2026." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 1 Jun 2025, /statistics/992695/share-of-believers-of-a-religion-other-than-catholicism-in-spain/
Centro de Investigaciones Sociológicas, Share of believers of a religion other than Catholicism in Spain from Oct 2011 to Apr 2026 ÌÇÐÄÆƽâ°æ, /statistics/992695/share-of-believers-of-a-religion-other-than-catholicism-in-spain/ (last visited August 03, 2026)
Share of believers of a religion other than Catholicism in Spain from Oct 2011 to Apr 2026 [Graph], Centro de Investigaciones Sociológicas, June 1, 2025. [Online]. Available: /statistics/992695/share-of-believers-of-a-religion-other-than-catholicism-in-spain/
