According to the Spanish National Statistical Institute (INE) data, Spain has an estimated population of 47.329.981 people [i] in 2020, of those 7.296.779 are youth, roughly the 15,41%.

Of these people, Spanish policies and public organisations consider those between 15 and 29 years of age as youth.

Source: National Statistical Institute 2020 (retrieved 01/01/2020)

[i] See Population figures and Demographic Censuses