Level of studies Age to 1st marriage or with a partner Total Total Total 100 Total Under 20 years old 41,87 Total From 20 to 24 years old 36,51 Total From 25 to 29 years old 17,36 Total From 30 to 34 years old 3,18 Total years old and over 1,08 Illiterate Total 100 Illiterate Under 20 years old 62,95 Illiterate From 20 to 24 years old 33,79 Illiterate From 25 to 29 years old 2,69 Illiterate From 30 to 34 years old .. Illiterate years old and over 0,57 Without studies Total 100 Without studies Under 20 years old 40,9 Without studies From 20 to 24 years old 46,9 Without studies From 25 to 29 years old 9,17 Without studies From 30 to 34 years old 2,05 Without studies years old and over 0,99 Primary education and second grade, GBE or first year of GCSE Total 100 Primary education and second grade, GBE or first year of GCSE Under 20 years old 36,03 Primary education and second grade, GBE or first year of GCSE From 20 to 24 years old 45,58 Primary education and second grade, GBE or first year of GCSE From 25 to 29 years old 15,16 Primary education and second grade, GBE or first year of GCSE From 30 to 34 years old 2,29 Primary education and second grade, GBE or first year of GCSE years old and over 0,93 Secondary Education and Post-secondary non-higher Total 100 Secondary Education and Post-secondary non-higher Under 20 years old 54,38 Secondary Education and Post-secondary non-higher From 20 to 24 years old 27,19 Secondary Education and Post-secondary non-higher From 25 to 29 years old 14,38 Secondary Education and Post-secondary non-higher From 30 to 34 years old 2,99 Secondary Education and Post-secondary non-higher years old and over 1,06 1º, 2º and intermediate technical-professional studies Total 100 1º, 2º and intermediate technical-professional studies Under 20 years old 46,78 1º, 2º and intermediate technical-professional studies From 20 to 24 years old 32,09 1º, 2º and intermediate technical-professional studies From 25 to 29 years old 18,2 1º, 2º and intermediate technical-professional studies From 30 to 34 years old 2,6 1º, 2º and intermediate technical-professional studies years old and over 0,33 Higher level technical-professional studies Total 100 Higher level technical-professional studies Under 20 years old 55,8 Higher level technical-professional studies From 20 to 24 years old 22,77 Higher level technical-professional studies From 25 to 29 years old 19,77 Higher level technical-professional studies From 30 to 34 years old 1,66 Higher level technical-professional studies years old and over .. First year of tertiary education Total 100 First year of tertiary education Under 20 years old 36,33 First year of tertiary education From 20 to 24 years old 30,2 First year of tertiary education From 25 to 29 years old 26,99 First year of tertiary education From 30 to 34 years old 4,92 First year of tertiary education years old and over 1,56 Tertiary education, university graduates and doctors Total 100 Tertiary education, university graduates and doctors Under 20 years old 43,41 Tertiary education, university graduates and doctors From 20 to 24 years old 16,29 Tertiary education, university graduates and doctors From 25 to 29 years old 28,79 Tertiary education, university graduates and doctors From 30 to 34 years old 8,57 Tertiary education, university graduates and doctors years old and over 2,95