Nationality is defined as a legal connection between an individual and his/her state, acquired by birth or naturalization whether by declaration or acquired by choice, matrimony, or other terms according to the national legislation.
It allows completing the information about migrants that provide their place of birth since both identify situations of foreigners born in Spain or current Spaniards that were born abroad. Because of such, just like before, it deals with a variable relevant to the effect of determining groups with a migratory past.
Categories of this variable: