संकेतक	मान
कुल जनसंख्या	47,900,000–48,800,000 लोगUN DESA WPP [2024] 47,910,000 लोग·World Bank WDI [2024] 48,850,000 लोग
मध्यिका आयु	45.4 वर्षUN DESA WPP [2024]
जीवन प्रत्याशा	83.7–83.9 वर्षWorld Bank WDI [2024] 83.89 वर्ष·UNDP HDI [2023] 83.67 वर्ष
जातीय समूह	Spanish 84.8%, Moroccan 1.7%, Romanian 1.2%, other 12.3% (2021 est.); note: data represent population by country of birthCIA World Factbook [2025] · 2026 archive
भाषाएँ	Castilian Spanish (official) 74%, Catalan (official in Catalonia, the Balearic Islands, and the Valencian Community) 17%, Galician (official in Galicia) 7%, Basque (official in the Basque Country and Navarre) 2%, Aranese (official in part of Catalonia) <5,000 speakersCIA World Factbook [2025] · 2026 archive
धर्म	Roman Catholic 58.2%, atheist 16.2%, agnostic 10.8%, other 2.7%, non-believer 10.5%, unspecified 1.7% (2021 est.)CIA World Factbook [2025] · 2026 archive
शहरीकरण	कुल जनसंख्या का 81.6% (2023)CIA World Factbook [2025] · 2026 archive
जनसंख्या वृद्धि	1.02 %World Bank WDI [2024]
जन्म दर	6.5 प्रति 1,000World Bank WDI [2024]
मृत्यु दर	8.9 प्रति 1,000World Bank WDI [2024]
शहरी जनसंख्या	80.3 %World Bank WDI [2024]
भाषाएँ (संरचित)	Andalusian Arabic Aragonese Asturian-Leonese-Cantabrian Basque Calo Caló Catalan Catalan Sign Language Celtiberian Extremaduran Fala Galician Guanche Iberian Lusitanian Mirandese Mozarabic North Picene Occitan Old Spanish Portuguese Quinqui Roquetas Pidgin Spanish Spanish Spanish Sign Language Tarifiyt-Beni-Iznasen-Eastern Middle Atlas Berber Valencian Sign Language Vlax Romani Glottolog [2026]