Level of studies Duration of last closed interval between births (months) Total Total Total 5.270.780 Total From 0 to 7 months 177.939 Total From 8 to 11 months 160.593 Total From 12 to 23 months 1.049.378 Total From 24 to 35 months 929.166 Total From 36 to 47 months 858.992 Total From 48 to 59 months 681.530 Total 60 and over 1.348.579 Total Average 44,68 Illiterate Total 17.859 Illiterate From 0 to 7 months .. Illiterate From 8 to 11 months 1.073 Illiterate From 12 to 23 months 4.928 Illiterate From 24 to 35 months 4.967 Illiterate From 36 to 47 months 4.365 Illiterate From 48 to 59 months 1.990 Illiterate 60 and over 538 Illiterate Average 33,05 Without studies Total 166.943 Without studies From 0 to 7 months .. Without studies From 8 to 11 months 5.054 Without studies From 12 to 23 months 48.544 Without studies From 24 to 35 months 35.304 Without studies From 36 to 47 months 28.154 Without studies From 48 to 59 months 20.916 Without studies 60 and over 24.572 Without studies Average 39,58 Primary education and second grade, GBE or first year of GCSE Total 3.040.124 Primary education and second grade, GBE or first year of GCSE From 0 to 7 months 105.784 Primary education and second grade, GBE or first year of GCSE From 8 to 11 months 102.196 Primary education and second grade, GBE or first year of GCSE From 12 to 23 months 579.335 Primary education and second grade, GBE or first year of GCSE From 24 to 35 months 492.951 Primary education and second grade, GBE or first year of GCSE From 36 to 47 months 493.930 Primary education and second grade, GBE or first year of GCSE From 48 to 59 months 401.210 Primary education and second grade, GBE or first year of GCSE 60 and over 825.777 Primary education and second grade, GBE or first year of GCSE Average 45,01 Secondary Education and Post-secondary non-higher Total 627.341 Secondary Education and Post-secondary non-higher From 0 to 7 months 24.615 Secondary Education and Post-secondary non-higher From 8 to 11 months 13.674 Secondary Education and Post-secondary non-higher From 12 to 23 months 118.487 Secondary Education and Post-secondary non-higher From 24 to 35 months 109.138 Secondary Education and Post-secondary non-higher From 36 to 47 months 97.084 Secondary Education and Post-secondary non-higher From 48 to 59 months 85.589 Secondary Education and Post-secondary non-higher 60 and over 173.472 Secondary Education and Post-secondary non-higher Average 47,21 1º, 2º and intermediate technical-professional studies Total 743.545 1º, 2º and intermediate technical-professional studies From 0 to 7 months 35.111 1º, 2º and intermediate technical-professional studies From 8 to 11 months 22.724 1º, 2º and intermediate technical-professional studies From 12 to 23 months 137.499 1º, 2º and intermediate technical-professional studies From 24 to 35 months 140.543 1º, 2º and intermediate technical-professional studies From 36 to 47 months 117.279 1º, 2º and intermediate technical-professional studies From 48 to 59 months 82.715 1º, 2º and intermediate technical-professional studies 60 and over 193.280 1º, 2º and intermediate technical-professional studies Average 45,13 Higher level technical-professional studies Total 6.799 Higher level technical-professional studies From 0 to 7 months .. Higher level technical-professional studies From 8 to 11 months .. Higher level technical-professional studies From 12 to 23 months 2.676 Higher level technical-professional studies From 24 to 35 months 586 Higher level technical-professional studies From 36 to 47 months 2.879 Higher level technical-professional studies From 48 to 59 months .. Higher level technical-professional studies 60 and over 659 Higher level technical-professional studies Average 32,26 First year of tertiary education Total 300.470 First year of tertiary education From 0 to 7 months 7.852 First year of tertiary education From 8 to 11 months 6.454 First year of tertiary education From 12 to 23 months 65.983 First year of tertiary education From 24 to 35 months 65.945 First year of tertiary education From 36 to 47 months 48.783 First year of tertiary education From 48 to 59 months 45.802 First year of tertiary education 60 and over 58.550 First year of tertiary education Average 41,57 Tertiary education, university graduates and doctors Total 367.699 Tertiary education, university graduates and doctors From 0 to 7 months 4.577 Tertiary education, university graduates and doctors From 8 to 11 months 9.418 Tertiary education, university graduates and doctors From 12 to 23 months 91.926 Tertiary education, university graduates and doctors From 24 to 35 months 79.733 Tertiary education, university graduates and doctors From 36 to 47 months 66.518 Tertiary education, university graduates and doctors From 48 to 59 months 43.308 Tertiary education, university graduates and doctors 60 and over 71.731 Tertiary education, university graduates and doctors Average 42,41