Wanderlust World Wanderlust World According to the Spanish Center for Sociological Research (CIS) and Pew Research, the least prevalent religion in Spain is Buddhism, at approximately 0.1% of the population (~45,000 adherents).
| Affiliation | Approx. % |
|---|---|
| Catholic (nominal) | 52–60% |
| Non-religious / Atheist / Agnostic | 30–38% |
| Muslim | 2–3% |
| Protestant / Evangelical | 1–2% |
| Orthodox Christian | <1% |
| Jewish | <0.1% |
| Hindu | <0.1% |
| Buddhist | ~0.1% |
| Other / Not specified | 1–2% |
While Buddhism is the smallest major world religion in Spain, even smaller groups (Sikh, Bahá'í, Jain, neopagan) exist but fall below statistical thresholds.