Level of studies;Age to 1st marriage or with a partner;Total Total;Total;7.960.860 Total;Under 20 years old;3.333.427 Total;From 20 to 24 years old;2.906.577 Total;From 25 to 29 years old;1.382.044 Total;From 30 to 34 years old;253.228 Total;years old and over;85.583 Illiterate;Total;24.394 Illiterate;Under 20 years old;15.357 Illiterate;From 20 to 24 years old;8.242 Illiterate;From 25 to 29 years old;656 Illiterate;From 30 to 34 years old;.. Illiterate;years old and over;140 Without studies;Total;177.163 Without studies;Under 20 years old;72.451 Without studies;From 20 to 24 years old;83.084 Without studies;From 25 to 29 years old;16.242 Without studies;From 30 to 34 years old;3.627 Without studies;years old and over;1.759 Primary education and second grade, GBE or first year of GCSE;Total;3.845.911 Primary education and second grade, GBE or first year of GCSE;Under 20 years old;1.385.853 Primary education and second grade, GBE or first year of GCSE;From 20 to 24 years old;1.753.073 Primary education and second grade, GBE or first year of GCSE;From 25 to 29 years old;583.197 Primary education and second grade, GBE or first year of GCSE;From 30 to 34 years old;87.983 Primary education and second grade, GBE or first year of GCSE;years old and over;35.805 Secondary Education and Post-secondary non-higher;Total;1.351.105 Secondary Education and Post-secondary non-higher;Under 20 years old;734.785 Secondary Education and Post-secondary non-higher;From 20 to 24 years old;367.361 Secondary Education and Post-secondary non-higher;From 25 to 29 years old;194.224 Secondary Education and Post-secondary non-higher;From 30 to 34 years old;40.352 Secondary Education and Post-secondary non-higher;years old and over;14.384 1º, 2º and intermediate technical-professional studies;Total;1.300.596 1º, 2º and intermediate technical-professional studies;Under 20 years old;608.417 1º, 2º and intermediate technical-professional studies;From 20 to 24 years old;417.366 1º, 2º and intermediate technical-professional studies;From 25 to 29 years old;236.675 1º, 2º and intermediate technical-professional studies;From 30 to 34 years old;33.848 1º, 2º and intermediate technical-professional studies;years old and over;4.290 Higher level technical-professional studies;Total;34.889 Higher level technical-professional studies;Under 20 years old;19.469 Higher level technical-professional studies;From 20 to 24 years old;7.945 Higher level technical-professional studies;From 25 to 29 years old;6.896 Higher level technical-professional studies;From 30 to 34 years old;580 Higher level technical-professional studies;years old and over;.. First year of tertiary education;Total;500.603 First year of tertiary education;Under 20 years old;181.859 First year of tertiary education;From 20 to 24 years old;151.207 First year of tertiary education;From 25 to 29 years old;135.090 First year of tertiary education;From 30 to 34 years old;24.631 First year of tertiary education;years old and over;7.816 Tertiary education, university graduates and doctors;Total;726.200 Tertiary education, university graduates and doctors;Under 20 years old;315.238 Tertiary education, university graduates and doctors;From 20 to 24 years old;118.300 Tertiary education, university graduates and doctors;From 25 to 29 years old;209.064 Tertiary education, university graduates and doctors;From 30 to 34 years old;62.208 Tertiary education, university graduates and doctors;years old and over;21.390