Title: Languages of Spain
Content:  León and Zamora. In terms of the number of speakers and dominance, the most prominent of the languages of Spain is Spanish (Castilian), spoken by about 99% of Spaniards as a first or second language. According to a 2019 Pew Research survey, the most commonly spoken languages at home other than Spanish were Catalan in 8% of households, Valencian 4%, Galician 3% and Basque in 1% of homes. Distribution of the regional co-official languages in Spain: Spanish is official throughout the country; the rest of these languages have legal and co-official status in their respective communities and (except Aranese) are widespread enough to have daily newspapers and significant book publishing 
Title: Official languages of Spain
Content:  native languages or languages that are not native but used, 98.9% of the population speaks Spanish, 17.5% speaks Catalan, 6.2% speaks Galician, 5.8% speaks Valencian (a variety of Catalan) and 3.0% speaks Basque. For autonomous communities, Catalan can be used by almost 85% of the population of Catalonia and 63.1% of the Balearic region, Galician is used by 89% of Galicians, Valencian is used by 51.8% of the residents in that community and Basque is spoken by 55.1% of the Basque population and 21.7% of people in Navarre. With regard to native languages alone, Galician is the native language of 82.8% of Galicians, Catalan is the native language of 31.6% of people 
Title: Languages of Spain
Content:  The languages of Spain (lenguas de España), or Spanish languages (lenguas españolas), are the languages spoken in Spain. Most languages spoken in Spain belong to the Romance language family, of which Spanish is the only language which has official status for the whole country. Various other languages have co-official or recognised status in specific territories, and a number of unofficial languages and dialects are spoken in certain localities.
Title: Official languages of Spain
Content:  Catalonia and of 42.9% of the residents in the Balearic region. Valencian (a variety of Catalan) is the native language of 35.2% of the population in that community and Basque is the native language of 33.7% of the Basque people and of 14.6% of those from Navarre. With the exception of Basque, which is a language isolate, all of the vernacular languages spoken now in Spain are Romance languages, within the family of the Indo-European languages. The majority belong to the sub-group of languages Iberian Romance, with the exception of Catalan/Valencian and Aranes, belonging to the Occitano-Romances and Aragonese. Affiliation between one subgroup or the other is a cause for active discussion.
Title: Official languages of Spain
Content:  Spanish (sometimes called Castilian) is the only official language of the entire country and is spoken habitually and as a native language among a vast majority of the Spanish population. Spain is, along with Colombia and after Mexico and the United States, ranked third in the world as the country with the most Spanish speakers. Spanish is the only official language in Asturias, Cantabria, La Rioja, Aragon, Castile and León, Madrid, Castilla-La Mancha, Extremadura, Andalusia, the Canary Islands and the region of Murcia, as well as Ceuta, Melilla, and half of Navarre. It is also co-official with other languages in Catalonia, Balearic Islands, Valencia, Galicia, Basque Country and the Basque zone of Navarre. In all of the bilingual autonomous communities, with the exception of 
Title: Spaniards
Content:   Languages spoken in Spain include Spanish (castellano or español) (74%), Catalan (català, called valencià, in the Valencian Community) (17%), Galician (galego) (7%), and Basque (euskara) (2%). Other languages with a lower level of official recognition are Asturian (asturianu), Aranese Gascon (aranés), Aragonese (aragonés), and Leonese, each with their own various dialects. Spanish is the official state language, although the other languages are co-official in a number of autonomous communities. Peninsular Spanish is typically classified in northern and southern dialects; among the southern ones Andalusian Spanish is particularly important. The Canary Islands have a distinct dialect of Spanish which is close to Caribbean Spanish. The Spanish language 
Title: Spain
Content:  sign languages may add up. The number of speakers varies widely and their legal recognition is uneven, with some of the most vulnerable languages lacking any sort of effective protection. Those enjoying recognition as official language in some autonomous communities include Catalan (in Catalonia, the Balearic Islands and the Valencian Community, where it is referred to as 'Valencian'); Galician (in Galicia); Basque (in the Basque Country and part of Navarre); and Aranese in Catalonia. Spanish is natively spoken by 74%, Catalan by 17%, Galician by 7% and Basque by 2% of the Spanish population. Some of the most spoken foreign languages used by the immigrant communities include Moroccan Arabic, Romanian and English.
Title: Official languages of Spain
Content:  There is a variety of Vernacular languages spoken in Spain. Spanish, the official language in the entire country, is the predominant native language in almost all of the autonomous communities in Spain. Six of the seventeen autonomous communities in Spain have other co-official languages in addition to Spanish. Bilingualism in different degrees and in distinct communicative situations between Spanish and another language is a habitual practice for many of the Spanish people who reside in one of these autonomous communities. According to the Survey of the Involvement of the Adult Population in Learning Activities distributed by the National Institute of Statistics with data from 2016, in regards to the languages in Spain that 
Title: Demographics of Spain
Content: Spanish 99% (88% mother tongue ) (official nationwide) ; Catalan 16% (9% mother tongue ) (co-official in Catalonia, Balearic Islands, and Valencia — see Valencian) ; Galician 7% (5% mother tongue ) (co-official in Galicia) ; Basque 1.6% (1% mother tongue ) (co-official in Basque Country and designated areas in Navarre). ; Aranese (a variant of Gascon Occitan) is co-official in Val d'Aran, a small valley in the Pyrenees. Asturian-Leonese (in the former Kingdom of León and Asturias) ; Aragonese (in the province of Huesca, Aragon) ; Arabic (in the autonomous city of Ceuta) ; Berber (in the autonomous city of Melilla)  Others with no official status:
Title: Official languages of Spain
Content:  and in the westernmost area of the provinces of Leon and Zamora. The Fala of the Valley of Jalama in northwestern Extremadura is related to Portuguese and also to Galician. In Galicia, Galician is the native language of 40.9% of the population, 30.9% claim Spanish as their native language, and 25.3% have both languages as native; 50.8% of the population habitually use more Galician than Spanish, while 47.8% habitually use Spanish. As in other autonomous communities, Spanish is the language that is spoken most in urban areas of Galicia, while Galician is spoken in rural areas. In total, Galician is the language spoken at home by approximately 1,302,000 people. Another 563,000 speak Galician interchangeably with Spanish. Unlike in Catalonia, the Valencian Community and the Balearic Islands, in Galicia the main cause of the advance of Spanish over the local language (Galician) is not immigration, but language shift.

Question: what languages do people speak in spain?
Answer: Spanish Language.