| name | Ethnologue status | language family | office | IETF | alphabet | ISO 6391 | ISO 6392 | ISO 6393 | speakers (people) | Manuscript | micronation | publisher | former country | is a dialect |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Castilian Spanish | Indo-European languages | Real Academía Española de la Lengua | es | spa | spa | 470,000,000 | Yes | |||||||
| Valencian language | Indo-European languages | Instituto de Estudios Catalanes | Latin script | ca | cat | cat | 4,000,000 | Yes | ||||||
| Galician language | 2 Provincial | Indo-European languages | European Parliament | Latin script | gl | glg | glg | 3,000,000 | Yes | |||||
| Catalan language | 2 Provincial | Indo-European languages | Instituto de Estudios Catalanes | Latin script | ca | cat | cat | 10,020,000 | Homilies d27Organyà | Yes | ||||
| Spanish language | 1 National | Indo-European languages | Real Academía Española de la Lengua | Spanisches Alphabet | es | spa | spa | 570,000,000 | Gay and Lesbian Kingdom of the Coral Sea Islands, Kingdom of Redonda | Bulletin of Hispanic Studies, Fantagraphics Books, Lecciones y Ensayos, Revista Somos | Yes |