Encuesta de Fecundidad
Total
Average age of females level of studies   at time of marriage/No live births. 
Unidades: Average age

,Average age of females (years) at 1st marriage,Average age of females (years) at birth of 1st live birth,Average age of females (years) at birth of 2nd live birth,Average age of females (years) at birth of the last live birth,
Total,22,6,24,22,27,36,28,3,
Illiterate,18,07,20,24,22,18,28,7,
Without studies,20,43,21,42,24,59,28,64,
Primary education and second grade, GBE or first year of GCSE,21,95,23,31,26,86,27,77,
Secondary Education and Post-secondary non-higher,23,28,25,34,28,6,28,97,
1º, 2º and intermediate technical-professional studies,22,74,24,93,27,87,27,92,
Higher level technical-professional studies,24,94,27,39,31,02,28,53,
First year of tertiary education,24,13,26,54,28,91,29,98,
Tertiary education, university graduates and doctors,25,82,28,24,30,25,31,
Notas:
Fuente: