Castilian Spanish (official) 74%, Catalan 17%, Galician 7%, Basque 2%, is the breakdown of the languages spoken in Spain, so Catalan would be the answer.
Incidentally, almost everybody speaks Spanish, some just prefer another language among themselves.
Catalan has the second largest number of native speakers in Spain, after Spanish. However, English is the second most widely used language in Spain.
Spanish, aka Castillian, is the official language of Spain. But recognized as co-official are Aranese, Basque, Catalan/Valencian, and Galician. There are many other candidates as second languages of Spain. But they don't have as many speakers. Examples are Aragonese, Extremaduran, and the Romance languages of Asturias and Leon.
Cantonese dialect is the second most widely used language in China.
Chinese is the second most used language on the Internet. See the Related Links below.
the most widely used second language is actually English since many other countries besides north America and Canada use it as a dependent second language.
English since it is the first or second language for most people.
No
Spanish
Generally "second language" refers to a second language someone can speak, ie: My first language is English, my second language is Spanish. Also, it can be used to let people know that one particular language is NOT your first, or best known. ie: English as a second language. Meaning your most fluent language is German, or Spanish or French, but you are learning English. Might help to get a more thorough answer if you used a sentence as an example, let us know how "Second Language" is used.
Mandarin ChineseEnglish is second
Maybe because French is the second most used language in the business world
The language used by the most people is 1 Chinese followed by 2 English then 3 Spanish.
The second most spoken language is Irish, spoken fluently by about 1% of the population.The most spoken language is English, spoken by about 98% of the population.